In the sprawling universe of sandbox action-adventure games, few titles have achieved the legendary status of Terraria . Since its release in 2011, it has been lovingly nicknamed "2D Minecraft," but veterans know the truth: Terraria is a unique beast—a chaotic, loot-driven, boss-rush symphony of exploration and combat.

Now go fight the Empress of Light during the day. You know you want to.

Head to GOG.com, buy the game, download the "Offline Backup Game Installers" for version 1.4.3.6, and save that .exe to an external hard drive. You have just acquired the most stable, moddable, and valuable version of one of the greatest games ever made.