Avadan is a role-playing game situated in space. The player travels from planet to planet in order to find the mystical oracles. The player is placed in nethack-style dungeons. The whole game is rogue-like, but with the extension of space travels. The dungeons are shown with tile graphics, and space looks a bit better. On space stations, the player can talk to NPCs, get quests, and trade artifacts found in the dungeons.