Free 32/64/16-bit multi-platform Pascal and Object Pascal compiler
A free & open-source 2D sprite editor, made with the Godot Engine
Real Time Strategy game engine supporting early Westwood classics
Free, open source game engine online
2D game development library for Ruby and C++
OpenSoldat is a unique 2D (side-view) multiplayer action game
Naev is a 2d action/rpg space game, action, rpg and simulation
A fresh & lightweight javascript game engine
Everything you need to build and deploy scalable realtime 3D apps
LÖVE is an awesome 2D game framework for Lua
Gideros Release version
A refreshingly simple data-driven game engine built in Rust
Modern, lightweight and efficient 2D level editor
Ct.js is a desktop game engine that makes learning programming fun
Enigma is a puzzle game
Full Pascal and Assembly language tool chain for Texas Instrument TI-
Game engine supporting many 3D/2D formats and graphic effects
Game engine to build text adventures.
Game library for Pascal
C-evo Distant Horizon; Empire Building Game
Delphi : VRCalc++ OOSL & + (Paged List, TextEditor, VRAstroVision ...)
Old-school 2D game engine
Cross-platform 2D game engine (+ full OpenGL, +full OpenGL ES )
Free Online MMORPG with Battlegrounds