Also, the game mechanic of catching imposters has been around for awhile. Gary's mod had a game, though I forget the name, that's been around forever. Deceit is another one that's been in my library for years. Quite a long list of "catch your friends lying" variety.
You didn't patent the Among Us mechanic because you can't patent a game mechanic, you fucking numpty!
Also, the game mechanic of catching imposters has been around for awhile. Gary's mod had a game, though I forget the name, that's been around forever. Deceit is another one that's been in my library for years. Quite a long list of "catch your friends lying" variety.