Games like Gav-Gav Odyssey
Games like Gav-Gav Odyssey include Webbed, SANABI, LIMBO, OneShot, and Momodora: Reverie Under The Moonlight. We matched them by the tags players give Gav-Gav Odyssey on Steam (Adventure, Puzzle, 2D Platformer, Idler, and Side Scroller): closest matches first, and among equally close ones the better-known games.

Webbed
Shared: 2D Platformer · Cute · 2D

SANABI
Shared: Adventure · 2D Platformer · 2D

LIMBO
Shared: Puzzle · Adventure · 2D

OneShot
Shared: Puzzle · Adventure · Cute

Momodora: Reverie Under The Moonlight
Shared: 2D Platformer · Side Scroller · 2D

Celeste
Shared: 2D Platformer · Adventure · Pixel Graphics

Öoo
Shared: 2D Platformer · Puzzle · 2D

Pikuniku
Shared: Adventure · Puzzle · Cute

Minit
Shared: Adventure · Puzzle · Minimalist

Planet of Lana
Shared: 2D Platformer · Puzzle · Adventure

The Last Campfire
Shared: Adventure · Puzzle · Cute

Baba Is You
Shared: Puzzle · 2D · Cute

Pizza Tower
Shared: 2D Platformer · Cartoony · Indie

There Is No Game: Wrong Dimension
Shared: Puzzle · Adventure · Indie

Stray
Shared: Adventure · Puzzle · Cute

Neva
Shared: Adventure · Puzzle · 2D Platformer

Turnip Boy Commits Tax Evasion
Shared: Puzzle · Top-Down · Cute

ANIMAL WELL
Shared: Puzzle · Adventure · 2D

Changed
Shared: Puzzle · Adventure · Cute

Out There Somewhere
Shared: Puzzle · Adventure · 2D

Gal Guardians: Demon Purge
Shared: Adventure · 2D Platformer · Side Scroller

The Pedestrian
Shared: Puzzle · Side Scroller · 2D Platformer

Sonic Origins
Shared: Adventure · 2D Platformer · Action

Unravel
Shared: Puzzle · Adventure · Action