73		CosmoLands (Windows, 2016)
54		Mines of Mars (Windows, 2015)
53		Planet Centauri (Windows, 2016)
53		Pixel Gladiator (Windows, 2016)
53		StoneBack (Windows, 2016)
53		Etaria (Windows, 2016)
52		Mayhem ZX (Windows, 2017)
52		Hereafter (Windows, 2017)
52		Solar 2 (Windows, 2011)
44		Darkout (Windows, 2013)
44		RocketsRocketsRockets (Windows, 2015)
44		Empyrion: Galactic Survival (Windows, 2015)
43		Starr Mazer: DSP (Windows, 2016)
42		Kynseed (Windows, 2018)
41		Hazardous Space (Windows, 2018)
41		Black Paradox (Windows, 2018)

Notes: Games similar to Signs of Life, Games like Signs of Life, Sweet Dog Studios, Sweet Dog Studios, Windows, Action, Sci-Fi, Futuristic, Sandbox, Open World, Side view, 2D scrolling, PC, Game Similarities.