Orx: Portable Game Engine
Tools and Z80 engine for creating adventure games. (RUST)
Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)
inputbox password WIN OSX GTK QT Console VCPKG C# Lua R Fortran Pascal
Low-Level Game Engine for Retro Platforms
Cross-platform reimplementation of AMOS BASIC (runtime)
Java based Open source Voxel Engine for RTS games