43		Industry Giant (Windows, 1998)
41		Ski Resort Tycoon (Windows, 2000)
40		Zoo Park (Windows, 2013)
40		Fitness Dash (Windows, 2008)
40		Build It Green: Back to the Beach (Windows, 2010)
40		Beauty Factory (Windows, 2008)
40		Coffeehouse Chaos! (Windows, 2005)
40		Traffic Giant (Windows, 2001)
40		Car Tycoon (Windows, 2002)
40		Hotel Giant (Windows, 2002)
40		Supermarket Mania (Windows, 2008)

Notes: Games similar to Holiday Island, Games like Holiday Island, Sunflowers Interactive Entertainment Software GmbH, Sunflowers Interactive Entertainment Software GmbH, Windows, Simulation, Managerial, Business Simulation, Isometric, PC, Game Similarities.