Complex sentence: Mongo also makes a cameo in "Shrek Smash and Crash Racing" where he roams in the suburbs of Far Far Away track and if any racers make contact with him, they will spin out.
Split into simpler sentences: Mongo also makes a cameo in "Shrek Smash" and "Crash Racing". He roams in the suburbs of Far Far Away track and if any racers make contact with him, they will spin out.