Games like Unnamed Space Idle
Games like Unnamed Space Idle include Cookie Clicker, Shelldiver, Idle Champions of the Forgotten Realms, Fortune Mill, and Nodebuster. We matched them by the tags players give Unnamed Space Idle on Steam (Idler, Incremental, Free to Play, Casual, and Simulation): closest matches first, and among equally close ones the better-known games.

Cookie Clicker
Shared: Idler · Incremental · Casual

Shelldiver
Shared: Incremental · Casual · Idler

Idle Champions of the Forgotten Realms
Shared: Idler · Free to Play · Incremental

Fortune Mill
Shared: Idler · Incremental · Simulation

Nodebuster
Shared: Incremental · Idler · Casual

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

Digseum
Shared: Incremental · Idler · Casual

Chef Knight
Shared: Incremental · Casual · Simulation

Dyson Sphere Program
Shared: Space · Simulation · Resource Management

Endless Sky
Shared: Free to Play · Space · Simulation

Keep on Mining!
Shared: Idler · Incremental · Casual

Click the Button
Shared: Incremental · Idler · Casual

Click and Conquer
Shared: Incremental · Idler · Casual

Space Rock Breaker
Shared: Incremental · Casual · Idler

Starvester
Shared: Idler · Incremental · Casual

Firestone – Idle Clicker Online RPG
Shared: Idler · Incremental · Casual

Scritchy Scratchy
Shared: Incremental · Idler · Resource Management

SPACEPLAN
Shared: Incremental · Casual · Idler

Fracture Field
Shared: Idler · Incremental · Casual

Horripilant
Shared: Idler · Incremental · Casual

The Sims™ 4
Shared: Free to Play · Simulation · Singleplayer

Tower Wizard
Shared: Idler · Incremental · Resource Management

How To Grow a Black Hole
Shared: Idler · Casual · Simulation

Loot Loop
Shared: Incremental · Idler · Casual