95		Pakoon III: First Blood (Windows, 2008)
92		No IQ (Windows, 1999)
68		Hamsters (DOS, 1994)
68		Ducks (DOS, 1998)
68		Pingus (Windows, 1998)
67		Sink or Swim (DOS, 1993)
65		Sheep's Quest (Windows, 2008)
65		Your Doodles Are Bugged! (Windows, 2012)
62		Crayon Physics (Windows, 2007)
62		Crayon Physics Deluxe (Windows, 2009)
61		Drop-Drop (DOS, 1992)
61		Alchemyst (DOS, 1992)
60		Flappy (Windows, 2017)
60		Carpe Lucem: Seize the Light (Windows, 2016)
60		Rock-Slide (DOS, 1989)
59		Diggers 2: Extractors (DOS, 1995)
55		Jiji no Tamagoyasan (Windows, 1996)
55		Dinosaur'Us (Windows, 2001)
50		Time Race (DOS, 1990)
50		The Bloobles and the Quest for Chocolate (Windows, 2018)
45		Shoujo Attack! (Windows, 2004)
40		Crystalize! (Windows, 2005)

Notes: Games similar to H2O, Games like H2O, Webfoot Technologies, Inc., Webfoot Technologies, Inc., DOS, Puzzle, Real-Time, Side view, Fixed, Flip-screen, PC, Game Similarities.