World 23
| World 23 | |||||||
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| Game | Dr. Mario World | ||||||
| Number of levels | 44 | ||||||
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World 23 is the interior ofBowser's Castle inDr. Mario World. The first area is available as of 10 PM PT on Dec. 16, 2020[1], while the second area, challenge stages and special stage are available as of 1 AM PT on Dec. 28, 2020[2].
When an area is cleared,Bone Goombas,Thwomps andBony Beetles appear. Theviruses featured in the regular stages are red, yellow and light-blue.
Area 1[edit]
| Image | Stage | Best Doctors | Overview |
|---|---|---|---|
 | Stage 881 |  Dr. Donkey Kong | Starting with 35 capsules, the objective of this stage is to eliminate all viruses (32) and collect allvirus coins (9). In this stage, large three-by-three virus coins are arranged in three rows and three columns. Behind each of five of the virus coins arranged in an "X" pattern is anelectric exploder surrounded bybubbles. Behind the other virus coins, there areexploders surrounded byfully-frozen viruses. |
 | Stage 882 |  8-Bit Dr. Mario | Starting with 34 capsules, the objective of this stage is to eliminate all viruses (18) and collect all purple coins (27). In this stage, there are two groups that each consists of cages and its correspondinglock block,barrels andpop cannons separated by a diagonal line of purple coins. The partially-damaged barrels containfloatie viruses, while the undamaged barrels are either empty or have caged coins. The cages containshells and viruses. Purple coins are unlocked in the following sequence:
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 | Stage 883 |  Dr. Baby Peach | Starting with 29 capsules, the objective of this stage is to eliminate all viruses (29) and collect allcoins fromCoin Blocks (42). In this stage, the half-frozenBrick Blocks (all containing coins) andcrates form a diamond where fully-frozen viruses and ice cubes are arranged in a checkered pattern. Outside the diamond of objects aredust viruses and shells. |
 | Stage 884 |  Dr. Wendy | Starting with 32 capsules, the objective of this stage is to eliminate all viruses (27) and break all Brick Blocks (27). In this stage, a group ofclouded viruses are amidst crates and Brick Blocks arranged in a checkered pattern. Of the Brick Blocks, the first and last ones in the topmost row and all of them in the second row have hidden pop cannons. |
 | Stage 885 (Hard) |  Dr. Baby Mario | Starting with 34 capsules, the objective of this stage is to eliminate all viruses (22), collect all purple coins (26) and collect allkeys (8). In this stage, purple coins are located in groups around the top-left, top-right, bottom-left and bottom-right. The groups of purple coins around the bottom-left and top-right are nearby keys and barrels containingdoors. Separating the groups of purple coins, keys and doors are viruses, with the ones in the fourth and fifth rows being fully-frozen. Between the groups of viruses areEmpty Blocks. Purple coins are unlocked in the following sequence:
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 | Stage 886 |  Dr. Larry | Starting with 27 capsules, the objective of this stage is to collect all coins from Coin Blocks (27) and collect all virus coins (27). The only colors available in this stage are red and light-blue. In this stage, the Brick Blocks (all containing coins) are arranged in a line that separatescolorful crates in a checkered pattern and empty barrels in a checkered pattern. The side with barrels contain floatie viruses in its gaps, and both sides have exploders in some of the gaps. Virus coins are located behind each floatie virus in its initial position and the side with colorful crates. |
 | Stage 887 |  Dr. Fire Mario | Starting with 35 capsules, the objective of this stage is to eliminate all viruses (22) and collect all keys (6). In this stage, there are three layers of rectangles. The outermost layer consists of colorful crates with barrels containing doors and a key, with two keys below it. The middle layer consists of viruses where some of them are half-frozen. The innermost layer consists of crates with keys and fully-frozen doors on its inside. |
 | Stage 888 |  Dr. Roy | Starting with 32 capsules, the objective of this stage is to break all crates (21) and collect all purple coins (20). In this stage, purple coins (caged and uncaged) are located in the first three rows, where many of them are caged with its corresponding lock block in the middle of the third row, fully-frozen. Below the purple coins are a group of crates with viruses hugging them. The bottom-most row consists of a pop cannonhandy bottle and aflask. The fully-filled flask in this stage will shoot out either viruses or exploders. Purple coins are unlocked in the following sequence:
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 | Stage 889 |  Dr. Fire Peach | Starting with 33 capsules, the objective of this stage is to eliminate all viruses (31) and collect all keys (5). In this stage, viruses are arranged in a checkered pattern with Brick Blocks and empty barrels within most of the gaps. Exploders are hidden inside the Brick Blocks starting from the sixth row upwards except for the middle one in the sixth row. Between the assortment of objects are keys and doors are located in the odd-numbered columns. |
 | Stage 890 (Hard) |  Dr. King Boo | Starting with 30 capsules, the objective of this stage is to eliminate all red viruses (19). The only colors available in this stage are red and yellow. In this stage, there are only red and yellow viruses and capsules. The viruses are in various states, namely being clouded, fully-frozen and inside bubbles. Some of the viruses are floatie viruses. Crates are also found throughout the stage. The final revealed row is a row of Empty Blocks. This stage will scroll for one line each time enough objects are cleared or enough capsules are added to the stage and will stop after 7 lines are introduced. |
 | Stage 891 |  Dr. Toad | Starting with 33 capsules, the objective of this stage is to collect all virus coins (35) and collect all keys (3). In this stage, the Brick Blocks and empty barrels are patterned in a spiral formation, with clouded viruses and keys near the spiral. The Brick Blocks contain hidden viruses, and those hidden viruses each cover a virus coin. The barrels also each cover a virus coin. The filled flasks in this stage will shoot out either viruses or electric exploders. |
 | Stage 892 |  Dr. Boo | Starting with 30 capsules, the objective of this stage is to eliminate all viruses (39) and break allbarriers (9). In this stage, crates and cages are arranged in upside-down "V" formations. Below the crates are bubbles containing electric exploders, while between the crates and cages are bubbles containing viruses and lock blocks. The yellow cages contain electric exploders while the red cages contain barriers. Above the barriers are more viruses, with some of them fully-frozen. |
 | Stage 893 | Dr. Larry | Starting with 39 capsules, the objective of this stage is to eliminate all viruses (17) and break all colorful crates (41). In this stage, colorful crates are arranged in groups of threes or fours, where clouded floatie viruses are near them. There is a pop cannon handy bottle at the bottom-left corner. |
 | Stage 894 |  Dr. Luma | Starting with 32 capsules, the objective of this stage is to eliminate all viruses (44) and collect all keys (4). In this stage, the half-frozen viruses and clouded viruses are arranged in rows of two in the third to fourth columns and the sixth to seventh columns within the second to ninth rows. In the middle column, there are viruses and Brick Blocks. The lock blocks are located in the topmost row and are half-frozen next to half-frozen. The keys and doors are located in the two leftmost and two rightmost columns, where the ones at the side have bubbles (some with viruses and pop cannons) between them, while the ones nearer to the center have empty cages between them. |
 | Stage 895 (Hard) |  Dr. Morton | Starting with 29 capsules, the objective of this stage is to eliminate all viruses (32), collect all coins from Coin Blocks (36) and collect all keys (1). In this stage, viruses are arranged in columns of two, with the ones in the four leftmost columns inside bubbles nearbubble machines and the ones in the four rightmost columns half-frozen nearice fans. Each side also has purple coins and six Brick Blocks all containing coins. The middle column contains caged coins between the key and the door. Purple coins are unlocked in the following sequence:
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 | Stage 896 |  Dr. Koopa Troopa | Starting with 33 capsules, the objective of this stage is to break all Brick Blocks (50) and collect all purple coins (21). The only colors available in this stage are red and yellow. In this stage, the Brick Blocks occupy most of the first eight rows, with a few gaps in between. Below the Brick Blocks are floatie viruses that will occupy the missing spaces when they are cleared. The Brick Blocks contain hidden purple coins (caged and uncaged) in 21 of them and yellow floatie viruses in the others. Purple coins are unlocked in the following sequence:
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 | Stage 897 | Dr. King Boo | Starting with 28 capsules, the objective of this stage is to pop all bubbles (20) and collect all virus coins (9). In this stage, cages are found within the even-numbered columns in the even-numbered rows from the second to eighth rows, where they are in between bubbles. Above each bubble is a barrel, where three of them contain lock blocks and the rest contain viruses. Floatie viruses are found in the ninth row. |
 | Stage 898 | Dr. Wendy | Starting with 33 capsules, the objective of this stage is to eliminate all viruses (24) and collect all coins from Coin Blocks (36). In this stage, viruses are scattered throughout the first seven rows among Brick Blocks, crates and empty barrels. The Brick Blocks directly below the crates are all Coin Blocks, while the rest of the Brick Blocks contain hidden viruses except for the third one in the second row. |
 | Stage 899 |  Dr. Ludwig | Starting with 32 capsules, the objective of this stage is to eliminate all viruses (16), break all barriers (28) and collect all purple coins (17). In this stage, the uncaged purple coins are fully-frozen and form a cross, where each end has a pop cannon or shell. Surrounding them are barriers. Within each corner where the barriers are, there is a fully-frozen caged purple coin surrounded by empty barrels and half-frozen viruses. Purple coins are unlocked in the following sequence:
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 | Stage 900 (Hard) |  Dr. Dry Bowser | The last stage of the first area and starting with 33 capsules, the objective of this stage is to eliminate all viruses (52), pop all bubbles (57) and collect all keys (14). Within the beginning of this stage and the next two revealed rows, there are barrels and bubbles, as well as keys and doors in the odd-numbered columns. The barrels in the fifth row and the second-revealed row contain pop cannons, while the ones in the first two rows and the sixth row contain viruses (the rest of the barrels are empty). The bubbles in the first two rows and the sixth row contain exploders while the bubbles in the fifth row contain pop cannons. Within the third-revealed row to the seventh-revealed row, there are Brick Blocks and bubbles, as well as keys in the even-numbered columns with their corresponding doors in the eighth-revealed row. The bubbles in the seventh-revealed row contain electric exploders. Within the ninth-revealed row to the final-revealed row, there are viruses where the one in the ninth-revealed row are half-frozen while the rest are inside bubbles. Exploders are located in the tenth-revealed row. The doors are in the odd-numbered columns with their corresponding keys in the eighth-revealed row. This stage will scroll for one line each time enough objects are cleared or enough capsules are added to the stage and will stop after 11 lines are introduced. When cleared, the rest of the first area in the world map gets cleared of viruses. Players also obtain theBone Goomba assistant upon completing this stage. |
Area 2[edit]
| Image | Stage | Best Doctors | Overview |
|---|---|---|---|
 | Stage 901 | Dr. Larry | Starting with 38 capsules, the objective of this stage is to eliminate all viruses (13). In this stage, there are a group of colorful crates where the middle column also has a pop cannon, virus and an exploder lined up, as well as four groups of empty barrels each with an exploder at a corner and surrounding a floatie virus. The leftmost and rightmost columns have viruses in between Empty Blocks. |
 | Stage 902 |  Dr. Luigi | Starting with 32 capsules, the objective of this stage is to eliminate all viruses (36), collect all purple coins (24) and collect all keys (6). In this stage, there are nine groups of half-frozen viruses arranged in two-by-twos, where Brick Blocks and purple coins are located above and to the right of them. Around the top-right and top-left corners from those groups are keys and doors. Purple coins are unlocked in the following sequence:
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 | Stage 903 | Dr. Wendy | Starting with 33 capsules, the objective of this stage is to eliminate all viruses (41) and collect all coins from Coin Blocks (27). In this stage, there are nine groups of colorful crates each with a Brick Block containing coins, where nearby them are viruses and dust clouds. Most of the dust clouds are dust viruses, but four of them cover exploders: the first one in the first row, the seventh one in the third row, the third one in the sixth row and the second one in the seventh row. |
 | Stage 904 |  Dr. Fire Rosalina | Starting with 35 capsules, the objective of this stage is to eliminate all viruses (35). In this stage, there is a group of fully-frozen floatie viruses surrounded by empty cages and crates. Below the group is its lock block and six rows of three viruses, and to the left and right of this group are a column of four viruses on each side. There are also two exploder handy bottles in the topmost row. |
 | Stage 905 (Hard) | Dr. Baby Peach | Starting with 30 capsules, the objective of this stage is to eliminate all viruses (60). In this stage, clouds occupy a lot of the first nine rows, where viruses are scattered throughout alongside three rows of six ice fans where half of them are fully-frozen. A half-frozen shell is also located in the top-right corner. The clouds in this stage contain an exploder in the middle of the sixth row and the a pop cannon in the rightmost on the fourth row, as well as viruses in the others. Prior to version 2.2.4, the stage layout was different. The following changes were made:
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 | Stage 906 |  Dr. Dolphin | Starting with 32 capsules, the objective of this stage is to eliminate all viruses (28) and collect all keys (10). In this stage, rows of empty bubbles are found among viruses, crates, keys and doors. In addition to them, there are also electric exploders and a pop cannons. A few of the bubbles are filled, including two pop cannons and a door. |
 | Stage 907 |  Dr. Baby Wario | Starting with 37 capsules, the objective of this stage is to eliminate all viruses (26), break all barriers (10) and collect all purple coins (21). In this stage, the crates and barriers form a border that separates the viruses and Brick Blocks into two halves. Some of those viruses are half-frozen. The Brick Blocks contain purple coins (caged and uncaged). Purple coins are unlocked in the following sequence:
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 | Stage 908 | Dr. Wendy | Starting with 36 capsules, the objective of this stage is to eliminate all viruses (12), collect all coins from Coin Blocks (60) and collect all purple coins (20). In this stage, there are rows of three floatie viruses and columns of three floatie viruses surrounded by Brick Blocks (all containing coins) and purple coins (caged and uncaged). Each group of floatie viruses has one that is half-frozen. There are also four virus coins behind caged coins and one that is covered by purple coins and a flask, although the flask does not obstruct the virus coin for the purpose of collecting it, unlike the purple coins. The filled flask in this stage will shoot out electric exploders. Purple coins are unlocked in the following sequence:
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 | Stage 909 |  Dr. Rosalina | Starting with 20 capsules, the objective of this stage is to eliminate all viruses (42). In this stage, there are a number of crates that form a maze where bubbles fill in. The bubbles contain viruses andCapsule Plus, in which four of them start at +16 and two of them start at +12. |
 | Stage 910 (Hard) | Dr. Ludwig | Starting with 38 capsules, the objective of this stage is to eliminate all viruses (43) and collect all keys (9). At the beginning of this stage, there are viruses and floatie viruses surrounded by empty barrels and exploders. The next few revealed rows have fully-frozen viruses and fully-frozen keys among crates and colorful crates. A shell and an exploder are both found in each of the fourth-revealed row and the sixth-revealed row. More empty barrels are found starting from the fifth-revealed row, while the doors (all half-frozen) for those fully-frozen keys are located in the seventh- and eighth-revealed rows. Another set of keys (all half-frozen) are located in the eighth-revealed row, with their corresponding doors (all half-frozen) two rows above them with viruses in between them. This stage will scroll for one line each time enough objects are cleared or enough capsules are added to the stage and will stop after 10 lines are introduced. |
 | Stage 911 | Dr. Fire Mario | Starting with 40 capsules, the objective of this stage is to eliminate all viruses (52). In this stage, the yellow caged viruses and its lock block are in the shape of the key, where it is among Brick Blocks. Most of the Brick Blocks contain hidden viruses, but the Brick Block surrounded by cages contain a hidden exploder. Six floatie viruses are located in the ninth row. The leftmost and rightmost columns contain bubble machines with electric exploders in between. |
 | Stage 912 | Dr. Wendy | Starting with 30 capsules, the objective of this stage is to eliminate all viruses (27), collect all coins from Coin Blocks (36) and collect all keys (4). In this stage, the dust clouds all cover virus coins, but the dust clouds itself do not hide anything inside. Around the dust clouds, there are rows of Brick Blocks (all containing coins) and crates, which are either between or in between rows of viruses. |
 | Stage 913 |  Dr. Bowser | Starting with 28 capsules, the objective of this stage is to eliminate all viruses (25) and collect all keys (6). In this stage, viruses are arranged in a checkered pattern in the shape of a diamond, where colorful crates and empty cages are found among them. At the top-left corner, there is a half-frozen lock block surrounded by crates, which is targeted by a shell in the same row surrounded by crates and a pop cannon in the same column. Another pop cannon is in the same column as the shell. |
 | Stage 914 | Dr. Larry | Starting with 39 capsules, the objective of this stage is to eliminate all viruses (24), break all colorful crates (21) and collect all virus coins (4). In this stage, the colorful crates, viruses, Brick Blocks (all containing hidden viruses) and Empty Blocks form borders for four cells, where each of them contains a virus coin covered by a floatie virus and purple coins (caged and uncaged). Purple coins are unlocked in the following sequence:
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 | Stage 915 (Hard) |  Dr. Peach | Starting with 34 capsules, the objective of this stage is to eliminate all viruses (30) and collect all keys (9). In this stage, there are cages that contain viruses and keys, with the lock blocks in the topmost row surrounded by doors. Dust clouds that cover nothing are found throughout this stage, where viruses are found among them. Dust clouds can be cleared by making capsule matches nearby them or targeting them directly, in case capsules cannot come into contact with them. |
 | Stage 916 | Dr. Fire Rosalina | Starting with 30 capsules, the objective of this stage is to collect all virus coins (9) and collect all purple coins (14). The only colors available in this stage are yellow and light-blue. In this stage, exploders are found among the barrels where they are all covering virus coins, where most of them are frozen. While most barrels do not contain anything, those that do contain something have purple coins (caged and uncaged) inside them. If all the barrels are removed, the purple coins will be in the shape of a heart. Purple coins are unlocked in the following sequence:
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 | Stage 917 | Dr. Koopa Troopa | Starting with 30 capsules, the objective of this stage is to eliminate all viruses (46) and collect all coins from Coin Blocks (36). In this stage, there is a large group of Brick Blocks with electric exploders and caged pop cannons in the corners, as well as cages and viruses inside bubbles in the middle shaped like a crosshair. The lock blocks are hidden inside the first Brick Block in the seventh row, the last Brick Block in the third row and the third Brick Block in the topmost row. Exploders are hidden inside the second and eighth Brick Blocks in both second and eighth rows, electric exploders are hidden inside the leftmost and rightmost Brick Blocks in the fifth row and shells are hidden inside the middle Brick Blocks in the topmost and ninth rows. With the exception of Coin Blocks, the rest of the Brick Blocks contain hidden viruses. The following Brick Blocks are Coin Blocks:
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 | Stage 918 |  Dr. Bowser Jr. | Starting with 40 capsules, the objective of this stage is to eliminate all viruses (41) and pop all bubbles (55). At the beginning of this stage, there are exploders in between two crates with rows of viruses and bubbles below them. In the next four revealed rows, there are bubbles checkered with viruses and electric exploders. A row of crates are in the sixth-revealed row (the row below it is empty), and above that row are fully-frozen viruses in a cross pattern with bubbles filling in the gaps. This stage will scroll for one line each time enough objects are cleared or enough capsules are added to the stage and will stop after 9 lines are introduced. |
 | Stage 919 | Dr. Ludwig | Starting with 36 capsules, the objective of this stage is to collect all virus coins (19) and collect all keys (4). In this stage, viruses are found throughout the stage surrounding the keys and doors, where they all cover virus coins. Most of the viruses are fully-frozen. Empty barrels are also found among the viruses where they also cover virus coins. |
 | Stage 920 (Hard) |  Dr. Wario | In the final stage of this world and starting with 40 capsules, the objective is to eliminate all viruses (33), and collect all keys (16). In this stage, the middle five columns contain keys, doors bubbles and lock blocks. The lock blocks are all found in the middle column with only the yellow one inside a bubble. Cages are found throughout the stage where most of them are empty except for the middle one in the seventh-revealed row, which contains a floatie virus. In addition to those, there are empty bubbles, viruses, floatie viruses, exploders and electric exploders found throughout the stage. A number of viruses are half-frozen in the sixth-revealed row and the last-revealed row. This stage will scroll for one line each time enough objects are cleared or enough capsules are added to the stage and will stop after 10 lines are introduced. Once it is cleared, the remaining area of the stage map gets cleared of viruses, and players can accessWorld 24. Upon completion, players earn a freeStaff Ticket. |
Challenge stages[edit]
| Image | Stage | Best Doctors | Overview |
|---|---|---|---|
 | Stage 23A |  Dr. Goomba Tower | Within a 40 second time limit, the objective of this stage is to eliminate all viruses (29) and collect all coins from Coin Blocks (24). The only color available in this stage is pink. In this stage, there are only pink viruses and capsules. Within the first nine rows, viruses and floatie viruses are spread throughout, where there are barrels that contain a few of the viruses, crates and Brick Blocks (all containing coins). Completing this stage awards the player 500 coins. |
 | Stage 23B |  Dr. Lemmy | Within a 30 second time limit, the objective of this stage is to eliminate all viruses (30). The only colors available in this stage are blue and green. In this stage, there are only green and blue viruses and capsules. Barrels are arranged in a checkered pattern in the first nine rows where several of them contain colorful crates and a few contain Capsule Plus. Within the gaps are viruses, Capsule Plus and barrels that contain viruses or Capsule Plus. Capsule Plus in this stage range from +5 to +30 at the beginning. The Capsule Plus in this stage will increase the time limit by the corresponding number when cleared and will reduce by one for each passing second until it disappears when it reaches zero if not cleared. Completing this stage awards the player 500 coins. |
 | Stage 23C | Dr. Roy | Within a 60 second time limit, the objective of this stage is to eliminate all viruses (32). The only colors available in this stage are blue and pink. In this stage, there are only pink and blue viruses and capsules, and the empty cages spell out "OK". Electric exploders, lock blocks, cages, viruses and crates are found in the four leftmost columns and four rightmost columns, where the ones on the left are pink and the ones on the right are blue. The middle column contains bubbles with floatie viruses inside them. Completing this stage awards the player 1000 coins and a Staff Ticket. |
Special Stage[edit]
| Image | Stage | Best Doctors | Overview |
|---|---|---|---|
 | Special Stage |  Dr. Waluigi | Starting with capsules, the objective of this stage is to eliminate all viruses (23) and collect all keys (7). In this stage, dust clouds occupy most of the stage, where cages are also found. Most of the dust clouds do not contain anything, but several of the dust clouds within the third- to fifth-revealed rows are dust viruses. Some of the cages are empty while a few of them contain viruses. Their corresponding lock blocks are found in the leftmost portion of the fourth row, the rightmost portion of the second-revealed row and the leftmost portion of the fifth-revealed row. There is also one Brick Block in the first row. This stage will scroll for one line each time enough objects are cleared or enough capsules are added to the stage and will stop after 6 lines are introduced. Completing this stage awards the player 1000 coins andDr. Bowser. |
Stage layouts for scrolling stages[edit]
Stage 890 (all 7 lines)
Stage 900 (first 6 of 11 lines)
Stage 900 (the rest of the 11 lines after the first 6)
Stage 910 (first 8 of 10 lines)
Stage 910 (the rest of the 10 lines after the first 8)
Stage 918 (first 4 of 9 lines)
Stage 918 (the rest of the 9 lines after the first 4)
Stage 920 (first 5 of 10 lines)
Stage 920 (the rest of the 10 lines after the first 5)
Special Stage (all 6 lines)
Stage layouts in previous versions[edit]
Stage 905 prior to version 2.2.4
Profiles[edit]
- Dr. Mario World Twitter:
- Yellow: "New stages will be added on Dec. 16 at 10 PM PT! Maybe it's just me, but I gotta wonder why Bowser picked such a scary place to live. How does he relax around all those spikes?"[1]
- Yellow: "Since everyone's so busy around New Year's, half a world was added early! The special stage clear reward for pushing through Bowser's Castle is... Dr. Bowser, obviously!"[2]
