Proelium is a party game PvP, made by the students of Event Horizon School based in Milan.
Downlaod:
http://eventhorizoncg.com/games/Proelium.zip
n.b. The design does not require the use of a single keyboard reader, so you can use 4 joypad or to debug in the ship selection menu you can try the numeric keypad enter, +, -, and space keyboard.