A short colony simulator where you try to lead your little divers to productive ends, like producing energy and oxygen, so that they can keep breathing.
Keyboard and gamepad controls are supported, and the overlay at the bottom explains what the buttons do, but not the mouse (as you might expect from a colony sim).
The development process of this game was used as material for my Master's thesis, for evaluating how well the game engine works in practice, which was the main subject of the thesis. Considering the engine and this game as one, this project is quite "from scratch," only built on a very narrow base handled by SDL.