Do you wanna play a game made in 48 hours for the LudumDare competition 21, by Markus Persson (Notch) the creator of Minecraft?
Link to LudumDare 21 Compo (599 entries!!)
It’s an action based dungeon crawler with six levels, four boss fights, and plenty of secrets and loot. It takes about 20-30 minutes to beat the game, and if you die, you need to start over from the beginning.