Strategy game

konquest

simple turn-based strategy game

Konquest is a game of galactic conquest for KDE, where rival empires vie to conquer planets and crush all opposition. The game can be played with up to nine empires, commanded either by the computer or by puny earthlings.
happy times

gravitation

game about mania, melancholia, and the creative process

Gravitation is a short, autobiographical pixelated art game by Jason Rohrer. It is a followup to his previous game, "Passage". It can be explored in approximately 8 minutes. If in doubt, please keep playing. If you still don't understand the game, please read the game creators statement on the website and the experiences of other people linked from the website.
Playing in multiplayer mode

auralquiz

simple music quiz game using your own music files

auralquiz is a music quiz game that scans a users selected folder of music and creates a quiz using the tags from the audio files. A sample of a random song is played and the player must answer a question about the sample from either multiple choice buttons or for hardcore difficulty, type in the correct answer. Up to 8 players can play in a turn based mode with scoring based on points, with more points given by answering the question faster.
A typical game of lights off.

lightsoff

Light puzzle game

Puzzle where all lights have to be switched off.
abstract vertical shooter with music elements

garden-of-coloured-lights

abstract vertical shooter with music elements

The game is basically a vertical shooter with music elements. The enemies, in fact, are kind of musical. Linley has added a simple background tune, that gets mixed with the diffetent notes played when enemies shoot.
I win!

pax-britannica

one-button multi-player real-time strategy game

Pax Britannica is a one-button real-time strategy game by No Fun Games. Up to four players battle it out underwater, struggling to be the last one standing!