Right now 20 games are playable. Among other things, Donkey Kong, Space Invaders, Burger Time, Tapper, Donkey Kong Jr, Donkey Kong 3, Galaga, Pac Man, Q*bert.
These are vertical oriented games and can be played by 2 players.
You have to insert a coin (0,50€) and the game starts. Once a player has lost his life, the image rotates 180 degrees and the opposing player can play.