Roblox and Minecraft are two games that seem to take much of the same inspiration. Roblox even has entire game modes modeled after Mojang's popular sandbox game.

Roblox, the massively multiplayer online game favored by the under 13 crowd, is following in Minecraft's footsteps with a move into the education market.

Minecraft content creators are migrating to Roblox, a platform for user-generated content, discovering different games and beaming them to kids, potentially making the creator rich in the process.