Games like Gertie Goose

If you finished Gertie Goose, the closest matches are LittleBigPlanet, Disney Infinity 2.0: Marvel Super Heroes, Pokémon Mystery Dungeon: Explorers of Darkness, The Peanuts Movie: Snoopy's Grand Adventure and 3 out of 10: Season Two. All 10 share its adventure genre and are ranked by how closely their themes and modes overlap.