Classic 2D side-scrolling platformer game
Jazz² Resurrection: Open-source reimplementation of Jazz Jackrabbit 2
Java/JavaFX/Kotlin Game Library (Engine)
Willy the Worm is an 2d side scroller arcade stye game
2D Platform Game developed in Unity for Android, Windows, and Linux
3D C++ Game Engine - yet another open source game engine
Y.A.G.A.C is a free open-source platformer game
Flex roguelike
This game is Build From Scratch using C++ & SFML.
Modern AS3 Game Engine
tiny code, html webcam game or plug brain in each blob, java server
A 2D Platformer Shooter game
2D Computer World Platformer
Game made for the Ludum Dare 27 game competition
A 2D platformer game about a courageous microwave
A 2D Side Scrolling Platformer Game
A simple 2D platformer, written in python2.7
A short 2D Platformer designed to be memorable.
Simple 2D Run 'n Gun game.
Simple Point & Click Game
2D logical platformer created in 48 hours for the Game Jam Prague 2012