47		Frightened Beetles (Windows, 2018)
47		Catch & Release (Windows, 2018)
46		I Expect You to Die (Windows, 2017)
46		Far from Noise (Windows, 2017)
46		We were Here (Windows, 2017)
45		Escape F1rst (Windows, 2018)
45		We were Here Too (Windows, 2018)
45		A Dump in the Dark (Windows, 2018)
45		Breathe (Windows, 2018)
45		Asemblance: Oversight (Windows, 2018)
45		The Mine (Windows, 2018)
45		Torn (Windows, 2018)
45		Sea of Memories (Windows, 2018)
45		Anamorphine (Windows, 2018)
45		The Night Journey (Windows, 2018)
45		The Spectrum Retreat (Windows, 2018)
45		Happy Stealing with Kirisame Marisa (Windows, 2018)
44		Empathy: Path of Whispers (Windows, 2017)
44		Floor Plan (Windows, 2017)
44		Blackwood Crossing (Windows, 2017)
44		Odyssey (Windows, 2017)
43		The Guest (Windows, 2016)
43		Quern: Undying Thoughts (Windows, 2016)
42		Decay: The Mare (Windows, 2015)
42		Subject 13 (Windows, 2015)
42		Dream (Windows, 2015)
42		Myst IV: Revelation (Windows, 2004)
41		Dreamscapes 2: Nightmare's Heir (Windows, 2014)
40		That Crazy World (Windows, 2004)
40		Atlantis: Evolution (Windows, 2004)
40		Mika's Surreal Dream (Windows, 2002)
40		Journey to the Center of the Earth (Windows, 2003)
40		Lost: Via Domus - The Video Game (Windows, 2008)
40		Celtica (Windows, 1998)
40		Rhem 4: The Golden Fragments (Windows, 2010)
40		Cleopatra: Riddle of the Tomb (Windows, 2008)
40		The Sacred Rings (Windows, 2007)
40		Destination: Treasure Island (Windows, 2007)

Notes: Games similar to 18 Floors, Games like 18 Floors, Aoga Tech, Shanghai Wishing Entertainment Limited, Windows, Adventure, Graphic Adventure, 1st-person, PC, Game Similarities.