Games like I Am 1
Games like I Am 1 include SANABI, Dead Cells, BlazBlue Entropy Effect, Katana ZERO, and Skul: The Hero Slayer. We matched them by the tags players give I Am 1 on Steam (Pixel Graphics, Action-Adventure, 2D Platformer, Combat, and Procedural Generation): closest matches first, and among equally close ones the better-known games.

SANABI
Shared: Pixel Graphics · 2D Platformer · Adventure

Dead Cells
Shared: Pixel Graphics · Adventure · 2D

BlazBlue Entropy Effect
Shared: Action-Adventure · Pixel Graphics · 2D

Katana ZERO
Shared: Pixel Graphics · 2D Platformer · Action

Skul: The Hero Slayer
Shared: Pixel Graphics · Action · 2D

Blasphemous 2
Shared: Combat · Pixel Graphics · 2D Platformer

Pizza Tower
Shared: 2D Platformer · Pixel Graphics · Platformer

Himno
Shared: Pixel Graphics · 2D · Adventure

Celeste
Shared: Pixel Graphics · 2D Platformer · Platformer

Mina the Hollower
Shared: Pixel Graphics · Action-Adventure · 2D Platformer

Anomaly Agent
Shared: 2D Platformer · Hack and Slash · Action-Adventure

The Messenger
Shared: Pixel Graphics · 2D Platformer · 2D

Souldiers
Shared: Pixel Graphics · Action-Adventure · Combat

Broforce
Shared: Pixel Graphics · Action · 2D

Super Meat Boy
Shared: Pixel Graphics · 2D Platformer · Platformer

Blade Assault
Shared: Pixel Graphics · 2D Platformer · Action-Adventure

Owlboy
Shared: Pixel Graphics · Adventure · 2D

Shovel Knight: Treasure Trove
Shared: Pixel Graphics · Adventure · Platformer

Marvel’s Spider-Man Remastered
Shared: Action-Adventure · Combat · Adventure

Terraria
Shared: Pixel Graphics · Adventure · 2D

Crimson Desert Enhanced
Shared: Combat · Adventure · Action

Black Myth: Wukong
Shared: Combat · Action-Adventure · Action

God of War Ragnarök
Shared: Action-Adventure · Adventure · Action

Sonic Origins
Shared: 2D Platformer · Pixel Graphics · Adventure