lua dev plugin for unreal engine 4 or 5
Gideros Release version
Old-school 2D game engine
Game engine supporting many 3D/2D formats and graphic effects
Orx: Portable Game Engine
Java Settlers
The imaginary eight-bit machine
8-bit Graphical API for Java
3D .NET engine for Windows, Linux, Mac
evolution for vegastrike SpaceSim/Combat/Trade game
Gives agents personality, moods, emotions and emotional attachments.
A generic 2D engine for any kind of game
A truly extensible cross-platform game engine
AMOS BASIC reimplementation in Java
also download updates from files section
Read and write PGN format and test moves for legality.
A generic C++ MUD server featuring a strategy-style hexagon map
The next generation mud is an open-source extensible, programmable mud
An extensible game engine that targets RPGs.