The automation tower defense RTS

• UpdatedDec 17, 2025
• Java

Voxel sandbox game with a large render distance, procedurally generated content and some cool graphical effects.

• UpdatedDec 15, 2025
• Zig

Main development repository for Rigs of Rods soft-body physics simulator

• UpdatedDec 15, 2025
• C++

A Voxel Multiplayer Sandbox Survival Game built in Rust & Bevy.

• UpdatedNov 4, 2025
• Rust

Open source physics-based sandbox game.

• UpdatedDec 4, 2025
• C++

• UpdatedNov 7, 2025
• Python

In-browser falling-sand simulation game with over 500 elements and thousands of reactions.

• UpdatedDec 17, 2025
• JavaScript

Circuit Artist is a digital circuit drawing and simulation game.

• UpdatedOct 9, 2025
• C

The Bug Reporting Repository for OutFox Alpha 4 LTS / V, Beta I Builds

• UpdatedSep 7, 2025

Build your game with mods，用模组构建你的游戏。

• UpdatedJul 31, 2024
• Java

A modern Lua+Löve2D remake of my Ant Colony Simulation

• UpdatedJun 6, 2025
• Lua

Fast falling sand game made within Godot and utilizing GDExtension features

• UpdatedAug 15, 2025
• C++

Godot plugin for making 2D sandbox games like Terraria and Starbound.

• UpdatedMar 13, 2021
• C#

2-D creative exploration-driven space trading and mercenary sandbox game.

• UpdatedDec 15, 2025
• C

An orbital mechanics simulator, entirely coded in Python, which uses the panda3D engine. The acronym PyOS stands for "Python orbit simulator".

• UpdatedMar 2, 2023
• Python

Voxel Engine written in Python 3 + Pyglet.

• UpdatedAug 8, 2020
• Python

Game engine inspired by id Tech and Source written in C#

• UpdatedDec 10, 2025
• C#

Dennis MUD - A multiplayer text adventure sandbox engine where the players build the world with in-game commands.

• UpdatedOct 30, 2025
• Python

SimEarth-like sandbox game where you can make and develop your very own planet

• UpdatedNov 9, 2024
• Zig

🫙 Pots in Unity. Shape simple pots in runtime.

• UpdatedFeb 6, 2024
• C#