Self-hostable software: Games (35)

Puter is an open-source internet operating system for managing files, apps, and games, and for building and publishing web apps and games.

An automation tower defense RTS written in Java.

Lila is a free online chess game server focused on realtime gameplay and ease of use.

Habitica is an open-source habit-building program that turns personal productivity into a role-playing game.

Luanti is a free open-source voxel game engine for easy modding and game creation.

RomM is a self-hosted ROM manager and player for scanning, enriching, browsing, and playing game collections.

A minimalist text adventure game for the browser.

OpenTTD is an open-source transport simulation game based on Transport Tycoon Deluxe, extended with additional features.

The Battle for Wesnoth is an open source, turn-based tactical strategy game with singleplayer and online or hotseat multiplayer gameplay.

A browser-based meta-JavaScript adventure game where players edit and re-execute the game’s own JavaScript to solve levels.

Cross-platform real-time strategy game of ancient warfare.

Multiplayer RPG. Open-source game inspired by Cube World, Legend of Zelda, Dwarf Fortress and Minecraft.