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.

There are a few parts to what Roblox is announcing on Tuesday. One is that Roblox is revealing for the first time that it’s investing $25 million as part of the Game Fund.

The popular game platform, overwhelmingly filled with kids and teenagers, has more active players than all Steam games ...