Games like Alien
Games like Alien include Hollow Knight, Celeste, Blasphemous 2, Melvor Idle, and Hollow Knight: Silksong. We matched them by the tags players give Alien on Steam (Casual, Platformer, 2D Platformer, 2D, and Fantasy): closest matches first, and among equally close ones the better-known games.
Hollow Knight
Shared: Platformer · 2D · Singleplayer
Celeste
Shared: Platformer · 2D Platformer · Indie
Blasphemous 2
Shared: Fantasy · Combat · 2D Platformer
Melvor Idle
Shared: Casual · 2D · Singleplayer
Hollow Knight: Silksong
Shared: 2D · Platformer · Indie
Thank Goodness You're Here!
Shared: Casual · Adventure · 2D Platformer
Super Meat Boy
Shared: Platformer · 2D Platformer · 2D
BEEP
Shared: Platformer · 2D · Indie
SANABI
Shared: 2D Platformer · 2D · Singleplayer
Dust: An Elysian Tail
Shared: Platformer · 2D · Indie
Pizza Tower
Shared: 2D Platformer · Platformer · Indie
Braid
Shared: 2D Platformer · Platformer · 2D
Sonic Superstars
Shared: Platformer · 2D Platformer · Casual
Brawlhalla
Shared: Casual · 2D Platformer · Platformer
FEZ
Shared: Platformer · Casual · Indie
Laughing to Die
Shared: Casual · Platformer · 2D Platformer
Shovel Knight: Treasure Trove
Shared: Platformer · 2D · Indie
LIMBO
Shared: Platformer · 2D · Indie
Kingdom Rush - Tower Defense
Shared: 2D · Casual · Singleplayer
Super Fancy Pants Adventure
Shared: Platformer · Casual · Adventure
Trine 2: Complete Story
Shared: Platformer · 2D Platformer · Fantasy
Owlboy
Shared: Platformer · 2D · Adventure
A Story About My Uncle
Shared: Platformer · Adventure · Singleplayer
Sonic Origins
Shared: 2D Platformer · Platformer · Casual