Games like Kidou Senshi Gundam Part 1: Gundam Daishi ni Tatsu

If you finished Kidou Senshi Gundam Part 1: Gundam Daishi ni Tatsu, the closest matches are Cyberpunk 2077, Marvel's Avengers, The Outer Worlds, Omensight and Star Control: Origins. All 7 share its adventure genre and are ranked by how closely their themes and modes overlap.