Post-apocalyptic survival where you spend most of your time hoarding desk fans for screws.
Fun fact: Was originally built on the GURPS tabletop system until a licensing dispute forced the creation of S.P.E.C.I.A.L.
Millions of kids making games for other kids while the company makes the actual money.
Fun fact: More than half of all American children under 16 have an account on the platform.