@Shkshkshk @furry
I'm too preoccupied with a different genre of at the moment to really dig into these, but I'd heard that Mutants In The Now and Mutants In The Next were both basically attempts to recapture the vibe of 1980s Teenage Mutant Ninja Turtles RPG while improving the mechanics.
They are here:
https://arbco.itch.io/
@Shkshkshk @furry
Also, for a very lite game in the same vein, there's Jason Tocci's Junior Hybrid Battle Cryptids (using his 24XX system).
https://jasontocci.itch.io/2400/devlog/560931/junior-hybrid-battle-cryptids-10