If you liked this
Games like Mr. Rental: The Video Game
If you finished Mr. Rental: The Video Game, the closest matches are Nights: Moonlight Dreams..., Sonic Encore, Sonic the Hedgehog: Editable ROM EYX, Sonic Classic 2 and Pokémon MMO 3D. All 10 share its adventure genre and are ranked by how closely their themes and modes overlap.
