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

Nodebuster
Shared: Incremental · Idler · Strategy

Shelldiver
Shared: Incremental · Idler · Arcade

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

Keep on Mining!
Shared: Incremental · Idler · Relaxing

Cookie Clicker
Shared: Incremental · Idler · Casual

Loot Loop
Shared: Incremental · Idler · Auto Battler

Bills Must Be Paid
Shared: Incremental · Strategy · Idler

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

Incredicer
Shared: Incremental · Idler · Strategy

Scritchy Scratchy
Shared: Incremental · Idler · Arcade

Digseum
Shared: Incremental · Idler · Casual

Fishing Inc
Shared: Incremental · Relaxing · Idler

Zero Stress King: Idle Defense
Shared: Idler · Auto Battler · Incremental

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

Click and Conquer
Shared: Incremental · Idler · Casual

Firestone – Idle Clicker Online RPG
Shared: Incremental · Idler · Auto Battler

Chef Knight
Shared: Incremental · Strategy · Idler

Legion Breaker
Shared: Incremental · Strategy · Arcade

Outhold
Shared: Incremental · Strategy · Arcade

Tower Wizard
Shared: Incremental · Idler · Strategy

Deep Space Cache
Shared: Incremental · Idler · Strategy

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

Dragon Cliff
Shared: Idler · Incremental · Strategy

Feed the Reactor
Shared: Incremental · Idler · Strategy