EDuke32 is a free homebrew game engine and source port of Duke Nukem 3D to Windows, Linux, macOS, FreeBSD and several handhelds. It adds features and upgrades for players and editing and scripting extensions for mod and homebrew developers. It is open source software and free to use for all non-commercial purposes.
OpenMW is an open-source reimplementation of the Morrowind game engine that supports playing Morrowind. The project publishes releases, currently version 0.51.0, with notes about scripting API additions, terrain vertex painting in its content file editor and save compatibility. Saves from newer releases cannot be loaded in older releases.
Aleph One is an open source continuation of Bungie's Marathon 2 game engine, available for macOS, Windows and Linux. It supports Marathon, Marathon 2 and Marathon Infinity natively, along with third party scenarios and net maps. Up to 8 players can join multiplayer matches or co-op play, with games hosted peer-to-peer over LAN or the Internet and a global matchmaking lobby.
Locomalito is a personal site for an amateur developer creating new-classic video games. It lists titles including Maldita Castilla, Hydorah, The Curse of Issyos, l'Abbaye des Morts, Gaurodan, Darkula and Verminest, with release years from 2008 to 2024. The page mentions pixel art, chiptunes and challenging action games.
Cataclysm: Dark Days Ahead is an open source turn-based survival RPG set in a post-apocalyptic world. Players explore a procedurally generated world, scavenge for food, equipment and vehicles, and fight or escape from monstrosities including zombies, giant insects and killer robots.
An unofficial fan project providing a higher framerate, enhancements and cheats, and a built-in randomizer for the game. Available platforms are listed, and changes to the authentic game are placed behind toggles.
ITGmania is a free, open source, community-driven dance game for Windows, Mac, and Linux. It can be played with a dance pad or keyboard. It includes built-in networking with online leaderboard support via GrooveStats, unlock downloading for events, and the Simply Love theme pre-installed. It is backwards compatible with StepMania 5 themes.
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OpenMW is an open-source reimplementation of the Morrowind game engine that supports playing Morrowind. The project publishes releases, currently version 0.51.0, with notes about scripting API additions, terrain vertex painting in its content file editor and save compatibility. Saves from newer releases cannot be loaded in older releases.
Aleph One is an open source continuation of Bungie's Marathon 2 game engine, available for macOS, Windows and Linux. It supports Marathon, Marathon 2 and Marathon Infinity natively, along with third party scenarios and net maps. Up to 8 players can join multiplayer matches or co-op play, with games hosted peer-to-peer over LAN or the Internet and a global matchmaking lobby.
Locomalito is a personal site for an amateur developer creating new-classic video games. It lists titles including Maldita Castilla, Hydorah, The Curse of Issyos, l'Abbaye des Morts, Gaurodan, Darkula and Verminest, with release years from 2008 to 2024. The page mentions pixel art, chiptunes and challenging action games.
Cataclysm: Dark Days Ahead is an open source turn-based survival RPG set in a post-apocalyptic world. Players explore a procedurally generated world, scavenge for food, equipment and vehicles, and fight or escape from monstrosities including zombies, giant insects and killer robots.
An unofficial fan project providing a higher framerate, enhancements and cheats, and a built-in randomizer for the game. Available platforms are listed, and changes to the authentic game are placed behind toggles.
ITGmania is a free, open source, community-driven dance game for Windows, Mac, and Linux. It can be played with a dance pad or keyboard. It includes built-in networking with online leaderboard support via GrooveStats, unlock downloading for events, and the Simply Love theme pre-installed. It is backwards compatible with StepMania 5 themes.
