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81		Brave Dungeon (Windows, 2016)
81		Iron Crypticle (Windows, 2017)
80		Hero Barrier (Windows, 2017)
80		DemonLisher (Windows, 2004)
80		Willow (DOS, 1988)
80		Strikers Edge (Windows, 2018)
70		Temptation (Windows, 2018)
54		Yet Another Zombie Defense (Windows, 2014)
53		Enter the Gungeon (Windows, 2016)
53		Crab Cakes Rescue (Windows, 2014)
53		Ionball 2: Ionstorm (Windows, 2014)
53		Rock Boshers DX: Directors Cut (Windows, 2014)
53		l'Abbaye des Morts (Windows, 2010)
53		Back to Life 3 (Windows, 2014)
53		Get Off My Lawn! (Windows, 2014)
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53		Lupinball (Windows, 2017)
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53		Thunder Castle (Windows, 2010)
53		Back to Life 2 (Windows, 2014)
53		Akane (Windows, 2018)
52		Uriel's Chasm 2: Et (Windows, 2015)
52		Friendship Club (Windows, 2015)
52		Leap of Fate (Windows, 2016)
52		Zombie Grinder (Windows, 2015)
52		Deathstate (Windows, 2015)
52		I am Weapon: Revival (Windows, 2015)
51		Castle Invasion: Throne Out (Windows, 2016)
51		Crazy Forest (Windows, 2016)
51		Ghostbusters (Windows, 2016)
51		Lichtspeer (Windows, 2016)
51		Mausoleum of the Medusa (Windows, 2016)
51		Zombie Party (Windows, 2016)
51		Fallen Mage (Windows, 2016)
51		Serious Sam's Bogus Detour (Windows, 2017)
51		Demon's Crystals (Windows, 2016)
51		WinKings (Windows, 2016)
51		Tale of Fallen Dragons (Windows, 2017)
51		Gun Brothers (Windows, 2016)
51		Cuties (Windows, 2016)
51		Globey: On the Roll! (Windows, 2008)
51		The Castle (Windows, 2016)
51		Brickquest 2 (Windows, 2008)
51		Virtual Rogue (Windows, 2016)
51		Bunny Bash (Windows, 2016)
50		8bit Invasion (Windows, 2017)
50		Black Penguin (Windows, 2001)
50		Neo-Now!: Forbidden Zone (Windows, 2017)
50		Last Soldier (Windows, 2017)
50		Neighborhorde (Windows, 2017)
50		Theatre of Doom (Windows, 2017)
50		Cake Mania (Windows, 2006)
50		Heli Bob (Windows, 2007)
50		Carious Weltling II (Windows, 2005)
50		Pac-Man (Windows, 2004)
50		3D Alien Invasion (Windows, 1998)
50		Frantic Dimension (Windows, 2018)
50		Big Crown: Showdown (Windows, 2018)
50		At Sundown: Shots in the Dark (Windows, 2019)
50		Pyromania (DOS, 1997)
50		Silly Knight (DOS, 2017)
50		Mars: Chaos Menace (Windows, 2018)
50		FX Fighter Turbo (Windows, 1996)
50		Q*bert (Windows, 2000)
50		8-Bit Bayonetta (Windows, 2017)
50		SushiParty (Windows, 2018)
50		Battery Jam (Windows, 2018)
50		Armored Animals: H1N1z (Windows, 2018)
50		Brickquest (Windows, 2006)
50		Armorik the Viking: The Eight Conquests (DOS, 1988)
50		Hunchback (DOS, 1988)
50		Tut-Busters (DOS, 1986)
50		Pyramid Power (DOS, 1986)
50		Putt-Putt and Pep's Dog on a Stick (Windows, 1996)
50		Q*bert (DOS, 1984)
50		Mayawaka (Windows, 2007)
50		Tommy's Gorilla Ball Ramparts (DOS, 1986)
50		La Corona Mágica (DOS, 1990)
50		Catacomb II (DOS, 1991)
50		Catacomb (DOS, 1990)
50		La Espada Sagrada (DOS, 1990)
50		The Dungeons of Grimlor II (DOS, 1995)
46		Xoldiers (Windows, 2008)
43		Chompy Chomp Chomp (Windows, 2014)
42		ASDAD: All-Stars Dungeons and Diamonds (Windows, 2015)
42		Bloody Streets (Windows, 2015)
42		Chicken Invaders: Cluck of the Dark Side (Windows, 2015)
41		Princess Remedy: In a Heap of Trouble (Windows, 2016)
41		Hyper Bounce Blast (Windows, 2016)
41		Battle Pixels (Windows, 2016)
40		Anceder (Windows, 2018)
40		Dragon's Lair: Escape from Singe's Castle (DOS, 1991)

Notes: Games similar to Guarda Castelos Upgrade, Games like Guarda Castelos Upgrade, CleanWaterWorks, CleanWaterWorks, Windows, Action, Fantasy, Medieval, Arcade, Shooter, Bird's-eye view, Fixed, Flip-screen, Game Maker, PC, Game Similarities.