Open Source Side-Scrolling Games

A Jump and Run game like Super Mario World with an advanced Editor and highly detailed Graphics based on SDL with a OpenGL accelerated Graphics Renderer developed in C++. Runs under Linux, Windows and Mac and can be easily ported to other platforms.

nInvaders is a Space Invaders clone based on ncurses for ASCII output.

OpenLierox is an extremely addictive realtime worms shoot-em-up backed by an active gamers community. Dozens of levels and mods are available to provide endless gaming pleasure.

Open Sonic is a free open-source game based on the "Sonic the Hedgehog" universe. It introduces a different style of gameplay called cooperative play, in which it's possible to control 3 characters simultaneously. It works on Windows, Linux and MacOSX

A cross platform, open source version of the unforgiving Japanese parody of Super Mario Bros. Now for Windows (fixed) and AmigaOS 4*! Requires: SDL, SDL_image, SDL_gfx, SDL_mixer, SDL_ttf *Thanks to Michael Trebilcock for the port

Please note: OpenBOR has moved to GitHUB. Latest source and binaries may be found here - https://github.com/DCurrent/openbor OpenBOR is the open source continuation of Beats of Rage, a Streets of Rage tribute game originally developed by Senile Team. In the years since it has grown into arguably the single most powerful two dimensional sprite based engine in the world and certainly the most versatile. While intended to allow creation of side scrolling beat em’ ups like Double Dragon or Final Fight, the engine is also capable of replicating Shumps, RPGs, platformers and the like. A built in scripting engine allows authors to take it even further, making imagination the only real limit. See www.chronocrash.com for more details and to download the latest versions.

Fast 2d tank arcade game with multiplayer and split-screen modes.

A multiplatform vertical shoot-em-up with non-traditional elements.

Just another Snake clone

JVGS is an open source platform game that is not like the others. It is build on simple line structures loaded from svg files, giving the whole game a "sketched" and minimalistic look. Levels can be made with simple xml and lua files.

"Blinkensisters - Hunt for The Lost Pixels" is a Jump'n'Run game for nearly all recent operating systems. It's fun to play and you can make your own levels with a simple text editor. Also, you can download add-ons from within the game engine.

SDL Sopwith is a port of the classic 8086 biplane shoot-em-up game to modern computers.

Button Masher is a simple utility to help you analyse and improve your execution of fighting game moves, combos, etc. It's similar to the joystick input display in some games' practice modes.

Trip on the Funny Boat is side scrolling arcade shooter game on a steamboat equipped with a cannon and the ability to jump. The player will need to take advantage of waves to defeat the enemies and dodge hazards.

Supertux 3D is 3D of the gpl'd 2D game Supertux. it uses a heavily modified version of the logic systems from yofrankie, textures from various games, the sounds from supertux2d and my own models. all of the 2d levels will be copied eventually.

Blood Frontier was a single-player and multi-player first-person shooter game, built as a total conversion of Cube Engine 2 (Sauerbraten). The project has been discontinued. Details at http://www.bloodfrontier.com.

A complete rewrite of Heart of The Alien for modern computers and consoles.

Polywar is a 2D top-down multiplayer online shooting game - with polygons!

MOAGG is a 2D gravity game, combining the idea and fun of several existing games, such as Space Taxi (C64) and Gravity Force (Amiga).

(note: source code has moved to github: https://github.com/frank-zago/xgalaga-sdl) XGalaga-SDL is a port of the popular X11 game XGalaga, a clone of Galaga, using the SDL (Simple DirectMedia Layer) library. XGalaga was originally written by Joe Rumsey.

An updated Mac OS Classic/Carbon-specific port of FCE Ultra 0.98.13, the Nintendo Entertainment System/FamilyComputer emulator, and beyond.  This emulator is meant for older Macs, pre-OS X.

Toy Cars is a physics based 2-D racer.

FLAW is a free top-down wizard battle game. It can be played by up to 5 players simultaneously. The goal of the game is to survive as long as possible while more and more fireballs appear in the arena. Gameplay is simple and self-explanatory. The desktop version is available on Windows and Linux - an Android port of has been made by David Lee Evans (https://github.com/DavidLeeEvans/FLAW) The game and all of its assets are licensed under the GNU General Public License Version 3 and may be modified, copied and redistributed under the terms of this license.

Sopwith 3 is a semi-official sequel to/remake of the two original versions of the classic arcade game Sopwith made by David L. Clark as an employee of BMB Compuscience. New features include working multiplayer.

A pygame remake of the old SEGA Dreamcast game "Chu Chu Rocket" featuring penguins (and, in one of the next releases, polar bears). It can be summarized as "fastpaced Multiplayer Lemmings from above ... with Penguins"