Games like PrimeOrbial
Games like PrimeOrbial include Wobbly Life, Feed and Grow: Fish, Touhou Big Big Battle, EmergeNYC, and Chained Together. We matched them by the tags players give PrimeOrbial on Steam (Indie, Early Access, Action, Adventure, and Simulation): closest matches first, and among equally close ones the better-known games.

Wobbly Life
Shared: Adventure · Simulation · Indie

Feed and Grow: Fish
Shared: Simulation · Early Access · Action

Touhou Big Big Battle
Shared: Early Access · Indie · Action

EmergeNYC
Shared: Early Access · Simulation · Action

Chained Together
Shared: Adventure · Casual · Simulation

Achievement Clicker
Shared: Indie · Casual · Simulation

G2 Fighter / 基因特工
Shared: Indie · Action · Adventure

Pumpkin Jack
Shared: Action · Adventure · Indie

Need For Drink
Shared: Action · Casual · Adventure

Notes of Soul
Shared: Action · Indie · Adventure

Drug Dealer Simulator
Shared: Indie · Action · Simulation

Pikuniku
Shared: Indie · Adventure · Casual

[Chillas Art] The Convenience Store
Shared: Indie · Adventure · Simulation

Plebby Quest: The Crusades
Shared: Indie · Casual · Simulation

Hard Bullet
Shared: Action · Indie · Simulation

Into The Flames
Shared: Action · Indie · Simulation

RADical ROACH Remastered
Shared: Indie · Action · Adventure

Gang Beasts
Shared: Action · Indie · Casual

Kao the Kangaroo: Round 2 (2003 re-release)
Shared: Adventure · Action · 3D Platformer

Jet Island
Shared: Action · Indie · Adventure

Starship EVO
Shared: Indie · Action · Simulation

Border Officer
Shared: Indie · Action · Simulation

I Am Bread
Shared: Simulation · Adventure · Action

Sparkle 2 Evo
Shared: Indie · Action · Casual