[tnecniv]

Roller Coaster Tycoon was written in assembly despite it being the 90s. That’s a lot crazier than writing a platformer in C.

Many, if not most, are C++ with scripting. If you’re working on something that doesn’t need scripting, pure C is totally fine.

[deaddodo]

I don't get your latter point either. Both Lua and Python's (the two most common scripting interfaces) native interface is in C. There's no reason they would plug into C++ any better.