OpenTyrian2000 - an open source port of the Tyrian game, aimed at reproducing the Tyrian 2000 gaming experience as accurately as possible.

HLFX: Lost in Black Mesa is a short single-player mod for Half-Life based on the updated HLFX engine, featuring enhanced graphical effects and classic gameplay. The mod tells the story of Alex Jones, a young scientist who finds himself in an HEV suit on the day of the disaster.

Cat Life: GS - a mod for Half-Life that allows you to look at the game world through the eyes of a furry hero. You play as cat XFC-71, known as Newton, who became the subject of scientific experiments. After the incident at Black Mesa, he finds himself at the center of events, facing mutated creatures and military forces.

OpenRCT2 is an open-source engine for RollerCoaster Tycoon 2, allowing you to play on modern systems with enhanced features: improved interface, modding tools, and multiplayer support. In it, you can build amusement parks, design attractions, and share your created content.

VorpalFix — a patch for the American McGee's Alice remaster (2011) that fixes technical bugs and adds quality-of-life improvements without interfering with the original files and art style. It fixes audio, menu, and widescreen bugs, improves stability, controls, graphics, and compatibility.

Smooth Doom is a visual mod for Doom and Doom II based on GZDoom that makes weapon, monster, and item animations noticeably smoother by adding numerous new frames while maintaining fidelity to the original gameplay.

FlatOut 2 Chloe Online is a plugin that adds a customizable, more stable and reliable client-server multiplayer mode to FlatOut 2, with additional features such as lobbies for up to 127 players, working AI in multiplayer races, player profiles, statistics, and more.