Taisei (lit. Occident) is a free and open-source fangame of the Tōhō series, written in C using SDL2 and OpenGL.Basically, it is a shoot ’em up game with lots of bullets (the genre is literally called bullet hell). It doesn’t aim to rebuild a particular installment of the Tōhō games, but is rather an original game set in the world of Tōhō. Enjoy dodging through 6 stages full of new bullet patterns on four difficulty levels!

Taisei

Atomic Tanks is a turn-based artillery strategy game where opponents take turns to bombard each other with a wide array of different weapons. To make things more interesting, Atomic Tanks also features destructible landscapes, teleporting, parachutes and different weather conditions.

Atomic Tanks

Commander-Genius aka CloneKeenPlus is an engine which interprets Commander Keen 1-6 and Dreams.But there is more, how about four player coop, VGA graphics, remastered music and many great mods. There even exists the unoffical trilogy that was planned back then (Keen 7-9). Eventhough that trilogy was never released, it got picked up by fans. With an integrated CG game store you can download every free game with one click and start playing.For registered Keen games you obviously you need the game data of the games in order to play them. Check the Readme file for more information on that. Episode 2, 3, 5 and 6 are registered versions which can be purchased by 3D Realms, Apogee, GOG or bought by someone else. If you still have the old games of the registered version, then copy those into a reachable directory and give it a try.

Commander Genius

An Engine used to play the "Commander Keen" and "Cosmos the Cosmic Adventure" game series

Blobby Volley is one of the most popular freeware games where two blobbed shaped entities play volleyball against each other. You can play against a teammate or alone against computer opponents. It's possible to play in local network and in offical servers. Controls via the mouse or the keyboard are customizable. The points are saved and can be displayed and compared in statistics.This is an official continuation of the famous Blobby Volley 1.x arcade game from 2000s.

Blobby Volley 2

The head-to-head multiplayer volley-ball game.

KBlocks is the classic falling blocks game. The idea is to stack the falling blocks to create horizontal lines without any gaps. When a line is completed it is removed, and more space is available in the play area. When there is not enough space for blocks to fall, the game is over.

KBlocks

This is a port of the classic biplane shoot ‘em-up “Sopwith” to run on modern computers and operating systems. It is named “SDL Sopwith” as it uses the LibSDL cross-platform library.

SDL Sopwith

Mr. Rescue is an arcade styled 2d action game centered around evacuating civilians from burning buildings.

The game features fast paced fire extinguishing action, intense boss battles, a catchy soundtrack and lots of throwing people around in pseudo-randomly generated buildings.

As of version 1.02 we have added XBox 360 controller support and fullscreen modes.

Mr Rescue

Bomber is a single player arcade game. The player is invading various cities in a plane that is decreasing in height.The goal of the game is to destroy all the buildings and advance to the next level. Each level gets a bit harder by increasing the speed of the plane and the height of the buildings.

Bomber

You pilot your ship through the dreaded "Maelstrom" asteroid belt -- suddenly your best friend thrusts towards you and fires, directly at your cockpit. You raise your shields just in time, and the battle is joined.The deadliest stretch of space known to mankind has just gotten deadlier. Everywhere massive asteroids jostle for a chance to crush your ship, and deadly shinobi fighter patrols pursue you across the asteroid belt. But the deadliest of them all is your sister ship, assigned to you on patrol. The pilot, trained by your own Navy, battle hardened by months in the Maelstrom, is equipped with a twin of your own ship and intimate knowledge of your tactics.The lovely Stratocaster R&amp;R facility never sounded so good, but as you fire full thrusters to dodge the latest barrage you begin to think you'll never get home...

Maelstrom

The fast-paced team-based outer-space multi-player arcade game. Blast your friends, zap your enemies. Steal their flags and nuke their cores. Customize your ship to be sneaky, or overwhelm with superior firepower. It's fast, fun, and frenetic.

Bitfighter

KBounce is a single player arcade game with the elements of puzzle. It is played on a field, surrounded by wall, with two or more balls that move about in the field bouncing off of walls. The player can build new walls, decreasing the size of active field. The goal of the game is to fill at least 75% of the field and advance to the next level.

KBounce

KBounce is a single player arcade game with the elements of puzzle

The game is a platformer with some puzzle elements. You take control of a ball which is genetically modified by the British secret service. Your mission is to rescue captured British soldiers from a prison in Iran.The game was written in 72 hours for the TINS competition, a competition similar to Speedhack. The name TINS is an recursive acronym for 'TINS is not Speedhack'.

B.A.L.L.Z.

Platform/puzzle game where you control a rolling ball

Gottet is a falling blocks game. Pieces fall from the top of the play area and you can move them horizontally as well as rotate them before they reach the bottom of the play area. The goal is to create full lines of pieces, which are then removed. The game is over when the stack of pieces reaches the top of the play area.

Gottet

This is a lunar lander style arcade game. Use the arrow keys to move the ship and avoid crashing into obstacles. Collect all the spinning keys and then land the ship on one of the landing pads. The levels are randomly generated and become progressively harder. ​

Lander

Granatier is a clone of the classic Bomberman game, inspired by the work of the Clanbomber clone.

Granatier

OpenClonk is a free multiplayer action game in which you control clonks, small but witty and nimble humanoid beings. The game is mainly about mining, settling and fast-paced melees.

OpenClonk

Multiplayer action game where you control small and nimble humanoids

It is the distant future: the year 2000. Evil robots are trying to kill you. Avoid the robots or face certain death.Fortunately, the robots are extremely stupid and will always move directly towards you. Trick them into colliding into each other, resulting in their destruction, or into the junk piles that result. You can defend yourself by moving the junk piles, or escape to safety with your handy teleportation device.Your supply of safe teleports is limited, and once you run out, teleportation could land you right next to a robot, who will kill you. Survive for as long as possible!

GNOME Robots

Avoid the robots and make them crash into each other

Rocks 'n' Diamonds is a action puzzle game where you have to navigate a maze of dirt, rocks, enemies and quicksand, while collecting gems and making it safely to the exit. Be careful not to get crushed by falling rocks or killed by an enemy.

Rocks'n'Diamonds

Kobo Deluxe is a retro styled top-down arena shooter with a simple and responsive control system  - which you'll need to tackle the tons of enemy ships that shoot at you, chase you, circle around you shooting, or even launch other ships at you, while you're trying to destroy the labyrinth shaped bases.There are 50 action packed levels with smoothly increasing difficulty, and different combinations of enemies that require different tactics to be dealt with successfully.Kobo Deluxe features OpenGL acceleration (optional), an intuitive menu driven user interface and joystick support.

Kobo Deluxe

RigelEngine is a re-implementation of the game Duke Nukem II, originally released by Apogee Software in 1993 for MS-DOS.  It works as a drop-in replacement for the original executable: It reads the game's data files and plays just like the original, but runs natively on modern operating systems. On top of that, it offers various modern enhancements like higher frame rate, better game controller support, a wide-screen mode, quick saving etc.In order to run RigelEngine, the game data from the original game is required. Both the shareware version and the registered version work.You can grab the shareware version from archive.org: https://archive.org/download/msdos_DUKE2_shareware/DUKE2.zip

RigelEngine

A modern re-implementation of the classic DOS game Duke Nukem II

KGoldrunner is an action game where the hero runs through a maze, climbs stairs, dig holes and dodges enemies in order to collect all the gold nuggets and escape to the next level. Your enemies are also after the gold. Worse still, they are after you!.Features:ThemeableHundreds of levelsLevel-editorTwo modes for the enemies: classical and KGoldrunner-mode, in KGoldrunner-mode they are more intelligent, in the classical mode it is easier to fool themVery very difficult levelsKeyboard or mouse controlSavable games

KGoldrunner

Hunt Gold, Dodge Enemies and Solve Puzzles

Project: Starfighter is a space shoot 'em up game originally developed by Parallel Realities in 2002, and released in 2003. You assume the role of Chris Bainfield in his quest to put an end to WEAPCO, the weapons corporation which has enslaved the galaxy.

Project: Starfighter

You drive a toy wood engine in many levels and you must collect all the coaches to win. Full-featured: Colorful animated wood engine, 50 levels, 3 beautiful music tracks and many sound effects.Ri-li is translated in 19 languages: Arabic, Breton, Chinese, Dutch, English, Esperanto, French, German, Hungarian, Italian, Japanese, Korean, Polish, Portuguese, Russian, Slovak, Spanish, Swedish and Turkish.

Ri-li

KSnakeDuel is a simple Tron-Clone. You can play KSnakeDuel against the computer or a friend. The aim of the game is to live longer than your opponent. To do that, avoid running into a wall, your own tail and that of your opponent.

KSnakeDuel

WarMUX is a free and open-source turn-based game and can be played online in public or private mode.Players can play together each one in the commande of a team in a senario that puts free software mascots in a battle using dynamite, grenades, baseball bats, and bazookas.

Warmux

A 2D game where funny characters launch funny weapons

Fill the board with the same colour of paint

Window Painter

I Have No Tomatoes is an extreme leisure time activity idea of which culminates in the following question: How many tomatoes can you smash in ten short minutes? If you have the time to spare, this game has the vegetables just waiting to be eliminated!

I Have No Tomatoes

By steering a marble ball through a labyrinth filled with sharp objects, pools of acid, and other obstacles the player collects points. When the destination is reached you continue on to the next, more difficult level - unless the time runs out.Features:3D graphicsIntegrated level editorHigh quality sound effectsBackground music

Trackballs

Hikou no mizu is a 2D fighting game with anime-inspired graphics. Fights take place in interactive arenas of various sizes and can involve up to five players on a single machine.Currently, two players are playable, namely Hikou and Takino. Joysticks are supported and a simple AI is included for solo playing.

Hikou no mizu

Platform-based, anime-styled fighting game

Kollision is a casual game where you need to throw your ball and avoid the others balls on the table as long as possible.

Arcade