Games like Abyss Odyssey
Games like Abyss Odyssey include Skul: The Hero Slayer, Rogue Legacy, Dead Cells, Dust: An Elysian Tail, and Risk of Rain (2013). We matched them by the tags players give Abyss Odyssey on Steam (Action, Action Roguelike, Platformer, Indie, and Adventure): closest matches first, and among equally close ones the better-known games.
Skul: The Hero Slayer
Shared: Action · Action Roguelike · Indie
Rogue Legacy
Shared: Platformer · Action Roguelike · Action
Dead Cells
Shared: Action Roguelike · Adventure · Roguelike
Dust: An Elysian Tail
Shared: Action · Platformer · Indie
Risk of Rain (2013)
Shared: Action Roguelike · Action · Platformer
ICEY
Shared: Action · Female Protagonist · Adventure
Broforce
Shared: Action · Platformer · Co-op
Bloodstained: Ritual of the Night
Shared: Action · Adventure · Female Protagonist
The Vagrant
Shared: Action · Female Protagonist · Side Scroller
Rogue Legacy 2
Shared: Action · Platformer · Indie
Spelunky
Shared: Platformer · Action Roguelike · Indie
Hades
Shared: Action Roguelike · Action · Indie
Hades II
Shared: Action · Action Roguelike · Roguelike
BlazBlue Entropy Effect
Shared: Action Roguelike · Action · Platformer
Hollow Knight: Silksong
Shared: Indie · Platformer · Metroidvania
Lost Castle
Shared: Action Roguelike · Side Scroller · Beat 'em up
Shank 2
Shared: Action · Indie · Adventure
Hollow Knight
Shared: Platformer · Indie · Metroidvania
Hero Siege
Shared: Action Roguelike · Action · Co-op
Enter the Gungeon
Shared: Action Roguelike · Indie · Roguelike
Dungreed
Shared: Action Roguelike · Action · Indie
20XX
Shared: Action Roguelike · Action · Platformer
Ravenswatch
Shared: Action Roguelike · Action · Co-op
ScourgeBringer
Shared: Action · Indie · Adventure