Goombas are mushroom-like creatures that serve as the Mario series' basic enemies. They have appeared in almost all of the main-series games, as well as many spin-offs.
(Note this list may be incomplete)
- Retarded64: Mario Simulator
- 101 Ways for Mario to Die (the right way!)
- Ssenmodnar 9 (Time travel edition)
- Who let the chomp out?
- And many other cameos.
- Goombas can apparently hold objects and other things despite not having arms.