Games like Infinite Ruins
Games like Infinite Ruins include Cookie Clicker, Keep on Mining!, Shelldiver, Digseum, and (the) Gnorp Apologue. We matched them by the tags players give Infinite Ruins on Steam (Casual, Incremental, Idler, Mining, and Automation): closest matches first, and among equally close ones the better-known games.

Cookie Clicker
Shared: Incremental · Idler · Casual

Keep on Mining!
Shared: Incremental · Casual · Idler

Shelldiver
Shared: Casual · Incremental · Idler

Digseum
Shared: Casual · Incremental · Idler

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

Fortune Mill
Shared: Incremental · Idler · Automation

Tower Wizard
Shared: Incremental · Idler · Resource Management

Fracture Field
Shared: Incremental · Idler · Mining

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

Nodebuster
Shared: Casual · Incremental · Idler

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

Incredicer
Shared: Incremental · Casual · Idler

Click the Button
Shared: Casual · Incremental · Idler

Melvor Idle
Shared: Casual · Idler · Mining

Bills Must Be Paid
Shared: Incremental · Idler · Casual

Gamblers Table
Shared: Incremental · Automation · Casual

Scritchy Scratchy
Shared: Incremental · Idler · Resource Management

Starvester
Shared: Incremental · Idler · Casual

Chef Knight
Shared: Incremental · Casual · Idler

Click and Conquer
Shared: Casual · Incremental · Idler

Tiny Pasture
Shared: Idler · Incremental · Casual

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

Lyca
Shared: Casual · Incremental · Idler

Click Mage
Shared: Incremental · Casual · Mining