Games like Only an Alien Going Up!
Games like Only an Alien Going Up! include Sonic Frontiers, Bomb Rush Cyberfunk, Assassin's Creed 2, Pumpkin Jack, and A Hat in Time. We matched them by the tags players give Only an Alien Going Up! on Steam (Aliens, Adventure, Parkour, 3D Platformer, and Psychological Horror): closest matches first, and among equally close ones the better-known games.
Sonic Frontiers
Shared: Adventure · 3D Platformer · Open World
Bomb Rush Cyberfunk
Shared: 3D Platformer · Adventure · Parkour
Assassin's Creed 2
Shared: Parkour · Adventure · Open World
Pumpkin Jack
Shared: Adventure · 3D Platformer · Third Person
A Hat in Time
Shared: 3D Platformer · Adventure · Platformer
Rise of the Tomb Raider™
Shared: Adventure · Third Person · Open World
Assassin’s Creed® IV Black Flag™
Shared: Adventure · Open World · Parkour
Grand Theft Auto V Legacy
Shared: Open World · Adventure · Third Person
Assassin’s Creed® Brotherhood
Shared: Adventure · Parkour · Open World
Marvel’s Spider-Man: Miles Morales
Shared: Adventure · Open World · Parkour
Marvel’s Spider-Man Remastered
Shared: Adventure · Open World · Parkour
Refunct
Shared: Parkour · 3D Platformer · Platformer
Sonic Lost World
Shared: Adventure · 3D Platformer · Parkour
Grand Theft Auto IV: The Complete Edition
Shared: Open World · Adventure · Third Person
Middle-earth™: Shadow of Mordor™
Shared: Adventure · Open World · Third Person
Assassin's Creed® Revelations
Shared: Parkour · Adventure · Open World
STAR WARS Jedi: Survivor™
Shared: Adventure · Open World · Third Person
Assassin's Creed® Unity
Shared: Parkour · Open World · Adventure
ALTF4
Shared: 3D Platformer · Physics · Third Person
Haste
Shared: Parkour · 3D Platformer · Adventure
Watch_Dogs® 2
Shared: Parkour · Open World · Third Person
Pseudoregalia
Shared: 3D Platformer · Parkour · Platformer
Neon White
Shared: 3D Platformer · Parkour · Platformer
Ratchet & Clank: Rift Apart
Shared: Adventure · 3D Platformer · Third Person