Games like Unlock Me
Games like Unlock Me include Cookie Clicker, Idle Champions of the Forgotten Realms, To The Core, Timberman, and Keep on Mining!. We matched them by the tags players give Unlock Me on Steam (Casual, Education, Incremental, 2D, and Stealth): closest matches first, and among equally close ones the better-known games.

Cookie Clicker
Shared: Incremental · Casual · Indie

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

To The Core
Shared: Casual · Incremental · 2D

Timberman
Shared: Casual · 2D · Indie

Keep on Mining!
Shared: Casual · Incremental · Singleplayer

Zup! S
Shared: Casual · 2D · Indie

Russian Life Simulator
Shared: Incremental · 2D · Singleplayer

The WereCleaner
Shared: Casual · Stealth · Singleplayer

A Game About Feeding A Black Hole
Shared: Casual · Incremental · 2D

The Adventure of NAYU
Shared: Casual · Incremental · 2D

Game Dev Tycoon
Shared: Casual · Indie · Singleplayer

Vampire Survivors
Shared: 2D · Casual · Singleplayer

Plants vs. Zombies GOTY Edition
Shared: Casual · Singleplayer · 2D

Melvor Idle
Shared: Casual · Singleplayer · 2D

Shelldiver
Shared: Casual · Incremental · 2D

Nodebuster
Shared: Casual · Incremental · 2D

Oik
Shared: Casual · Incremental · 2D

911 Operator
Shared: Casual · Singleplayer · Indie

Click the Button
Shared: Casual · Incremental · Indie

Gunpoint
Shared: Stealth · 2D · Indie

Space Rock Breaker
Shared: Casual · Incremental · Singleplayer

Mark of the Ninja
Shared: Stealth · 2D · Indie

SPACEPLAN
Shared: Casual · Incremental · Indie

Incredibox
Shared: Casual · 2D · Singleplayer