Games like Nyan Cat: Lost In Space
Games like Nyan Cat: Lost In Space include SANABI, Montaro, Celeste, Ori and the Will of the Wisps, and Gato Roboto. We matched them by the tags players give Nyan Cat: Lost In Space on Steam (Memes, Cats, Platformer, Adventure, and Action-Adventure): closest matches first, and among equally close ones the better-known games.

SANABI
Shared: Pixel Graphics · Adventure · Action

Montaro
Shared: Memes · Cute · Casual

Celeste
Shared: Platformer · Pixel Graphics · Adventure

Ori and the Will of the Wisps
Shared: Platformer · Adventure · Action

Gato Roboto
Shared: Adventure · Cats · Pixel Graphics

Skul: The Hero Slayer
Shared: Pixel Graphics · Action · Platformer

Stray
Shared: Cats · Adventure · Singleplayer

PewDiePie: Legend of the Brofist
Shared: Memes · Platformer · Pixel Graphics

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

Cat Quest
Shared: Cats · Adventure · Cute

SUPER CHICKEN JUMPER
Shared: Pixel Graphics · Action-Adventure · Cute

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

Hollow Knight
Shared: Platformer · Adventure · Singleplayer

CATO: Buttered Cat
Shared: Cats · Adventure · Platformer

Pikuniku
Shared: Adventure · Casual · Cute

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

Zueirama
Shared: Adventure · Memes · Platformer

Kao the Kangaroo: Round 2 (2003 re-release)
Shared: Adventure · Platformer · Casual

WHAT THE GOLF?
Shared: Memes · Action-Adventure · Cute

Portal 2
Shared: Platformer · Singleplayer · Action-Adventure

Pizza Tower
Shared: Platformer · Pixel Graphics · Indie

Owlboy
Shared: Adventure · Platformer · Pixel Graphics

The Purring Quest
Shared: Cats · Platformer · Cute

Dead Cells
Shared: Adventure · Pixel Graphics · Platformer