Palapeli is a single-player jigsaw puzzle game. Unlike other games in that genre, you are not limited to aligning pieces on imaginary grids. The pieces are freely moveable. Also, Palapeli features real persistency, i.e. everything you do is saved on your disk immediately.
OpenRA
OpenRA is a project that recreates and modernizes the classic Command & Conquer real time strategy games. We have developed a flexible open source game engine (the OpenRA engine) that provides a common platform for rebuilding and reimagining classic 2D and 2.5D RTS games (the OpenRA mods).
Maina
Mines (previously gnomine) is a puzzle game where you locate mines floating in an ocean using only your brain and a little bit of luck.
Knights
KNights is a chess game. As a player, your goal is to defeat your opponent by checkmating their king.
Pepe moli
Lights Off is a puzzle game, where the objective is to turn off all of the tiles on the board. Each click toggles the state of the clicked tile and its non-diagonal neighbors.
Kmahjongg
In KMahjongg the tiles are scrambled and staked on top of each other to resemble a certain shape. The player is then expected to remove all the tiles off the game board by locating each tile’s matching pair.
Clotsky
The Klotski application is a clone of the Klotski game. The objective is to move the patterned block to the area bordered by green markers.
Godot
Godot provides a huge set of common tools, so you can just focus on making your game without reinventing the wheel.
0 A.D.
0 A.D. (pronounced “zero-ey-dee”) is a free, open-source, historical Real Time Strategy (RTS) game currently under development by Wildfire Games, a global group of volunteer game developers. As the leader of an ancient civilization, you must gather the resources you need to raise a military force and dominate your enemies.