47		The Room (Windows, 2014)
46		Monstrum (Windows, 2015)
45		Pulse (Windows, 2015)
45		InsanZ: The Cake is a Lie (Windows, 2015)
45		Outlast (Windows, 2013)
45		Red Trigger (Windows, 2016)
45		Organ Quarter (Windows, 2017)
45		Lemma (Windows, 2015)
45		A.V. (Windows, 2015)
45		The Brookhaven Experiment (Windows, 2016)
44		NaissanceE (Windows, 2014)
44		Contagion (Windows, 2014)
44		Factotum 90 (Windows, 2016)
44		Armed Against the Undead (Windows, 2016)
44		Terror Lab (Windows, 2016)
44		Shadows Peak (Windows, 2016)
44		Daylight (Windows, 2014)
44		Sneak Thief (Windows, 2016)
44		'n Verlore Verstand (Windows, 2016)
44		Killer7 (Windows, 2018)
44		Layers of Fear (Windows, 2016)
44		The Bellows (Windows, 2016)
44		Visitors (Windows, 2016)
44		ChromaGun (Windows, 2016)
44		HALP! (Windows, 2016)
44		CastleMiner Z (Windows, 2014)
43		Kama Bullet Heritage (Windows, 2017)
43		Gevaudan (Windows, 2017)
43		The Rabbit Hole (Windows, 2017)
43		Finding Bigfoot (Windows, 2017)
43		Dead Realm (Windows, 2017)
43		Welcome to Hanwell (Windows, 2017)
43		Undead Development (Windows, 2017)
43		Visage (Windows, 2018)
43		Masked and Mysterious (Windows, 2017)
43		Mount Hill (Windows, 2017)
43		Hollow (Windows, 2017)
43		Affliction (Windows, 2017)
43		Horror of the Deep (Windows, 2017)
43		Cry of Fear (Windows, 2013)
43		Quantum Conundrum (Windows, 2012)
43		Deadfall Adventures (Windows, 2013)
43		Shambles (Windows, 2013)
42		The Padre (Windows, 2018)
42		Fading Visage (Windows, 2018)
42		Headache (Windows, 2018)
42		Desolate (Windows, 2018)
42		Erie (Windows, 2012)
42		Witchkin (Windows, 2018)
42		Shining Hotel: Lost in Nowhere (Windows, 2018)
42		Along Together (Windows, 2018)
42		Horror Legends (Windows, 2018)
42		VR Furballs: Demolition (Windows, 2018)
42		Mystery Case Files: Prime Suspects (Windows, 2006)
42		The Forbidden Book (Windows, 2018)
41		Harry Potter and the Chamber of Secrets (Windows, 2002)
40		Glasshouse (Windows, 2009)
40		2 Tasty (Windows, 2010)
40		Attack of the Mutant Artificial Trees (Windows, 2004)
40		The Ball (Windows, 2010)
40		Exploding Lips (Windows, 1999)
40		Nightshift Legacy: The Jaguar's Eye (Windows, 2008)
40		Eraser: Turnabout (Windows, 1997)
40		Bratz: Rock Angelz (Windows, 2005)
40		Oddworld: Stranger's Wrath (Windows, 2010)
40		Barbie as Sleeping Beauty (Windows, 1999)
40		TECNO - the Base (Windows, 2008)
40		Cry of the Infected (Windows, 2008)
40		Disney's Villains' Revenge (Windows, 1999)
40		Thor's Hammer (DOS, 1995)
40		Montezuma's Return (DOS, 1998)
40		Montezuma's Return (Windows, 1998)
40		Dino Crisis 2 (Windows, 2003)
40		Webmaster (Windows, 1999)
40		Rugrats: Search for Reptar (Windows, 1999)
40		Blood & Lace: A Gothic Novel (Windows, 2001)
40		Day of the Zombie (Windows, 2009)
40		Saban's Power Rangers: Time Force (Windows, 2001)

Notes: Games similar to Fireflies, Games like Fireflies, Phanom Games, Phanom Games, Windows, Action, Puzzle elements, Survival Horror, 1st-person, PC, Game Similarities.