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Games like Serious Sam Double D XXL
If you finished Serious Sam Double D XXL, the closest matches are Cuphead, UFO 50, Roboquest VR, Neon Inferno and Neon White. All 36 share its indie genre and are ranked by how closely their themes and modes overlap.
87
Cuphead
89
UFO 50
86
Roboquest VR
80
Neon Inferno
89
Neon White
80
Jetrunner
87
Cuphead: The Delicious Last Course
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Kong: Survivor Instinct
79
Shotgun Cop Man
88
Black Mesa
90
Llamasoft: The Jeff Minter Story
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Tevi
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Alien Hominid HD
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Valfaris: Mecha Therion
80
30XX: Feline Fury
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Squirrel with a Gun
84
Fashion Police Squad
80
Bears In Space
58
The Prisoning: Fletcher's Quest
90
Warstride Challenges
85
Risk of Rain
65
Wall World
83
Cave Story
85
Cave Story+
83
Duck Game
72
Broforce
73
My Friend Pedro
80
Mr. Sun's Hatbox
82
Orcs Must Die! 2
79
Ultimate Chicken Horse
90
Neon Abyss
78
Downwell
83
Unsighted
95
Azure Striker Gunvolt
85
Super Alloy Ranger
82