Games like OwnTrio -Adventure-
Games like OwnTrio -Adventure- include Celeste, Webbed, Super Meat Boy, Pizza Tower, and Katana ZERO. We matched them by the tags players give OwnTrio -Adventure- on Steam (Casual, 2D Platformer, Platformer, 2D, and Split Screen): closest matches first, and among equally close ones the better-known games.

Celeste
Shared: Platformer · Pixel Graphics · 2D Platformer

Webbed
Shared: 2D Platformer · Pixel Graphics · 2D

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

Pizza Tower
Shared: 2D Platformer · Platformer · Indie

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

SANABI
Shared: 2D Platformer · Pixel Graphics · 2D

Vampire Survivors
Shared: 2D · Pixel Graphics · Casual

FEZ
Shared: Platformer · Pixel Graphics · Casual

Sonic Origins
Shared: 2D Platformer · Platformer · Casual

VVVVVV
Shared: Platformer · 2D Platformer · Pixel Graphics

BEEP
Shared: Platformer · 2D · Indie

Downwell
Shared: Platformer · Pixel Graphics · 2D Platformer

Rain World
Shared: Platformer · Pixel Graphics · 2D

Braid
Shared: 2D Platformer · Platformer · 2D

The Messenger
Shared: Platformer · 2D · Pixel Graphics

Trine 2: Complete Story
Shared: Platformer · 2D Platformer · Casual

Gravity Circuit
Shared: Platformer · 2D · 2D Platformer

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

Hollow Knight
Shared: Platformer · 2D · Indie

Turbo Pug
Shared: Casual · 2D · Pixel Graphics

Zup! S
Shared: Casual · 2D · Indie

Brawlhalla
Shared: 2D Platformer · Casual · Platformer

8BitBoy™
Shared: Platformer · Casual · 2D

People Playground
Shared: 2D · Physics · Singleplayer