牙龈（Gingiva）是一款发布于2012年的免费游戏，由超现实主义艺术家myformerselves所作。
本作讲述了在“至高圣母”下工作的女工“娅茜’”，由于反抗“侯爵”的暴政而展开的逃亡之旅。
游戏发布后，由于其独特（掉san）的艺术风格和扎实的游戏质量而收到了大量好评。
不要被这个画风劝退了...相信我，你会爱上它！
An amboeboid landscape threatens to engulf civilization and all its plastic bottles. Disembodied mouths live in the walls of municipal buildings like household pests. Packs of human-headed dogs rove the lands between formless space and concrete reality. A king bureaucrat who's image is everywhere but his body no-where

Gingiva features seven playable characters, five hours plus of gameplay, over 100 fully animated creature portraits, multiple paths and varied endings.