Games like I AM DOG
Games like I AM DOG include SANABI, Celeste, Super Meat Boy, VVVVVV, and Pizza Tower. We matched them by the tags players give I AM DOG on Steam (Precision Platformer, 2D Platformer, Action, Platformer, and Action-Adventure): closest matches first, and among equally close ones the better-known games.

SANABI
Shared: Action · 2D Platformer · Adventure

Celeste
Shared: Precision Platformer · 2D Platformer · Platformer

Super Meat Boy
Shared: Precision Platformer · Platformer · 2D Platformer

VVVVVV
Shared: Precision Platformer · Platformer · 2D Platformer

Pizza Tower
Shared: 2D Platformer · Platformer · Funny

Downwell
Shared: Precision Platformer · Platformer · 2D Platformer

BlazBlue Entropy Effect
Shared: Action · Platformer · Action-Adventure

I wanna be the Creator
Shared: Action · Platformer · Action-Adventure

Jump King
Shared: Precision Platformer · Platformer · Adventure

The Messenger
Shared: Platformer · Action · 2D

Katana ZERO
Shared: Action · Platformer · 2D Platformer

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

Himno
Shared: Platformer · 2D · 2D Platformer

The End Is Nigh
Shared: Precision Platformer · Platformer · Adventure

F.I.S.T.: Forged In Shadow Torch
Shared: Action · Platformer · 2D Platformer

Broforce
Shared: Action · Platformer · 2D

Super Mombo Quest
Shared: Action · Precision Platformer · Adventure

Rusted Moss
Shared: Platformer · Action · 2D Platformer

Sonic Origins
Shared: 2D Platformer · Action · Adventure

Skul: The Hero Slayer
Shared: Action · 2D · Platformer

Ambidextro
Shared: Precision Platformer · 2D Platformer · Action

Sonic Superstars
Shared: Action · 2D Platformer · Platformer

Owlboy
Shared: Platformer · Adventure · 2D

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