Minecraft wiki entry for PC_Gamer_Demo, associated text: The PC Gamer Demo is a demo version of Java Edition Beta 1.3, that was bundled with the June 2011 issue of PC Gamer magazine (American edition, issue 214). It provides 100 minutes (equal to five days in-game) of gameplay, after which it tells the player to buy the game in order to continue playing on the current map.