Games like Project Planet: Earth Vs. Humanity

If you finished Project Planet: Earth Vs. Humanity, the closest matches are Warhammer 40,000: Gladius - Relics of War, Attack of the Earthlings, StarDrive 2, Troubleshooter: Abandoned Children and Interstellar Space: Genesis. All 9 share its indie genre and are ranked by how closely their themes and modes overlap.