Games like Pixel Orbit
Games like Pixel Orbit include Shelldiver, Nodebuster, A Game About Feeding A Black Hole, Keep on Mining!, and Cookie Clicker. We matched them by the tags players give Pixel Orbit on Steam (Incremental, Idler, Tower Defense, Arcade, and Strategy): closest matches first, and among equally close ones the better-known games.

Shelldiver
Shared: Incremental · Idler · Arcade

Nodebuster
Shared: Incremental · Idler · Strategy

A Game About Feeding A Black Hole
Shared: Incremental · Idler · Strategy

Keep on Mining!
Shared: Incremental · Idler · Relaxing

Cookie Clicker
Shared: Incremental · Idler · Casual

Click and Conquer
Shared: Incremental · Idler · Casual

Bills Must Be Paid
Shared: Incremental · Strategy · Idler

Zero Stress King: Idle Defense
Shared: Idler · Tower Defense · Incremental

Tower Wizard
Shared: Incremental · Idler · Strategy

Incredicer
Shared: Incremental · Idler · Strategy

Outhold
Shared: Incremental · Tower Defense · Strategy

Fishing Inc
Shared: Incremental · Relaxing · Idler

Digseum
Shared: Incremental · Idler · Casual

Scritchy Scratchy
Shared: Incremental · Idler · Arcade

Timber Rush
Shared: Idler · Incremental · Strategy

Loot Loop
Shared: Incremental · Idler · Casual

Deep Space Cache
Shared: Incremental · Idler · Strategy

Keep on Mining! - Worlds
Shared: Incremental · Idler · Relaxing

(the) Gnorp Apologue
Shared: Incremental · Idler · Strategy

Chef Knight
Shared: Incremental · Strategy · Idler

Idle Champions of the Forgotten Realms
Shared: Idler · Incremental · Strategy

Click the Button
Shared: Incremental · Idler · Casual

Plants vs. Zombies GOTY Edition
Shared: Tower Defense · Strategy · 2D

Kingdom Rush - Tower Defense
Shared: Tower Defense · Strategy · 2D

