OpenSoldat is a unique 2D (side-view) multiplayer action game
Game engine supporting many 3D/2D formats and graphic effects
Delphi : VRCalc++ OOSL & + (Paged List, TextEditor, VRAstroVision ...)
Cross-platform 2D game engine (+ full OpenGL, +full OpenGL ES )
Game library for Pascal
Old-school 2D game engine
Asphyre is a cross-platform framework for Delphi and FreePascal.