Hello everyone! A few days ago Notch created a new game ..... Minicraft. He created it for Ludum Dare Contest, where they had to create a PC game in a limit of 48 hours. Now they had to make a game, where you are alone. So Notch created Minicraft. It is a game like Minecraft. It is a 2D game with a low graphic, where you are alone (with zombies and slimes) on an island(s). The game ends when you die or when you defeat the Air Wizard.

Controls:
Arrow Keys - movement
C or Spacebar - attack or tool using
X - inventory

Link: here
All you need to play is Java.