Xonotic -- The Ultimate Open-Source Arena FPS | Fast-paced Quake-style gameplay with modern features | Cross-platform | No registration required

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• Updated Jun 27, 2025

Lifeblood Engine is a lightweight, custom-built game engine written in C++17 and OpenGL 3.3. It is designed specifically for creating fast-paced multiplayer arena shooters with "old-school" movement mechanics (Quake/CS style), featuring air acceleration, bunnyhopping, and sliding.

opengl game-engine fps multiplayer game-development physics-engine shooter custom-engine fast-paced bunnyhop air-acceleration arena-shooter obj-loader quake-movement strafe-jumping old-school-fps abb-collision

• Updated Feb 3, 2026
• C++