Games like MechaJourney
Games like MechaJourney include Melvor Idle, Cookie Clicker, The Farmer Was Replaced, Keep on Mining!, and Fortune Mill. We matched them by the tags players give MechaJourney on Steam (Indie, Idler, Mechs, Automation, and Text-Based): closest matches first, and among equally close ones the better-known games.

Melvor Idle
Shared: Idler · Indie · Casual

Cookie Clicker
Shared: Idler · Indie · Casual

The Farmer Was Replaced
Shared: Idler · Automation · Text-Based

Keep on Mining!
Shared: Idler · Indie · Casual

Fortune Mill
Shared: Idler · Automation · Casual

Mountain
Shared: Indie · Casual · Singleplayer

Space industrial empire
Shared: Indie · Automation · Idler

Idle Champions of the Forgotten Realms
Shared: Idler · Indie · Singleplayer

xiuzhen idle
Shared: Indie · Idler · Casual

Click the Button
Shared: Indie · Idler · Casual

Maltese's Fluffy Onsen
Shared: Automation · Idler · Indie

Bloobs Adventure Idle
Shared: Indie · Idler · Casual

Legends of Dragaea: Idle Dungeons
Shared: Idler · Automation · Indie

Incredicer
Shared: Idler · Indie · Casual

SPACEPLAN
Shared: Indie · Casual · Idler

Fracture Field
Shared: Idler · Automation · Casual

Rusty's Retirement
Shared: Idler · Automation · Indie

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

Game Dev Tycoon
Shared: Indie · Singleplayer · Casual

Swords and Souls: Neverseen
Shared: Indie · Singleplayer · Idler

Emily is Away Too
Shared: Indie · Casual · Singleplayer

Plague Inc: Evolved
Shared: Indie · Singleplayer · Casual

Little Inferno
Shared: Indie · Casual · Singleplayer

Human Resource Machine
Shared: Indie · Casual · Automation