Minecraft is a sandbox video game developed by the Swedish video game developer Mojang Studios. The game was created by Markus "Notch" Persson in the Java programming language. Following several early private testing versions, it was first made public in May 2009 before fully releasing in November 2011, with Jens Bergensten then taking over development. Minecraft has since been ported to several other platforms and is the best-selling video game of all time, with 200 million copies sold and 126 million monthly active users as of 2020.
Terraria is an action-adventure sandbox game developed by Re-Logic. The game was first released for Microsoft Windows on May 16, 2011, and has since been ported to several other platforms. The game features exploration, crafting, building, painting, and combat with a variety of creatures in a procedurally generated 2D world. Terraria received generally positive reviews, with praise given to its sandbox elements. The game had sold over 35 million copies by the end of 2020.