Games like Atomorf2
Games like Atomorf2 include Rogue Legacy 2, Skul: The Hero Slayer, Shovel Knight: Treasure Trove, Broforce, and Pikuniku. We matched them by the tags players give Atomorf2 on Steam (Action, Indie, Casual, Adventure, and Early Access): closest matches first, and among equally close ones the better-known games.

Rogue Legacy 2
Shared: Action · Indie · Platformer

Skul: The Hero Slayer
Shared: Action · Indie · Roguelite

Shovel Knight: Treasure Trove
Shared: Indie · Platformer · Action

Broforce
Shared: Action · Indie · Platformer

Pikuniku
Shared: Indie · Casual · Adventure

LIMBO
Shared: Indie · Puzzle Platformer · Platformer

Vampire Survivors
Shared: Indie · Roguelite · Casual

Defy Gravity Extended
Shared: Indie · Platformer · Action

BEEP
Shared: Indie · Adventure · Platformer

Chained Together
Shared: Adventure · Casual · Platformer

Rogue Legacy
Shared: Indie · Action · Platformer

Dungeon Munchies
Shared: Action · Indie · Adventure

Planet of Lana
Shared: Action · Puzzle Platformer · Indie

Seen
Shared: Indie · Adventure · Action

SANABI
Shared: Action · Adventure · Indie

Out There Somewhere
Shared: Indie · Platformer · Adventure

Dust: An Elysian Tail
Shared: Action · Indie · Platformer

Cyberhunt
Shared: Action · Indie · Casual

Portal 2
Shared: Platformer · Singleplayer · Puzzle Platformer

Super Fancy Pants Adventure
Shared: Action · Indie · Adventure

Angry Video Game Nerd Adventures
Shared: Indie · Action · Platformer

MO:Astray
Shared: Action · Indie · Adventure

Nihilumbra
Shared: Indie · Adventure · Casual

Pinstripe
Shared: Indie · Casual · Adventure