Games like 3.14 IDLE
Games like 3.14 IDLE include Cookie Clicker, Keep on Mining!, Orb of Creation, Zup! S, and A Game About Feeding A Black Hole. We matched them by the tags players give 3.14 IDLE on Steam (Incremental, Idler, Puzzle, Casual, and Minimalist): closest matches first, and among equally close ones the better-known games.

Cookie Clicker
Shared: Incremental · Idler · Casual

Keep on Mining!
Shared: Incremental · Idler · Casual

Orb of Creation
Shared: Incremental · Casual · Puzzle

Zup! S
Shared: Puzzle · Casual · Indie

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

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

Melvor Idle
Shared: Idler · Casual · Singleplayer

Nodebuster
Shared: Incremental · Idler · Casual

Coin Flipper
Shared: Incremental · Idler · Casual

Hexcells
Shared: Puzzle · Casual · Minimalist

Mini Motorways
Shared: Casual · Puzzle · Minimalist

Mini Metro
Shared: Puzzle · Minimalist · Casual

Hook
Shared: Puzzle · Casual · Minimalist

Click the Button
Shared: Incremental · Casual · Idler

Digseum
Shared: Incremental · Idler · Casual

Cell to Singularity - Evolution Never Ends
Shared: Incremental · Idler · Casual

SPACEPLAN
Shared: Incremental · Casual · Idler

Horripilant
Shared: Incremental · Idler · Casual

Hexcells Infinite
Shared: Puzzle · Casual · Minimalist

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

Oik 2
Shared: Incremental · Minimalist · Casual

Moncage
Shared: Puzzle · Casual · Singleplayer

Oik
Shared: Incremental · Casual · Puzzle

Zup!
Shared: Puzzle · Casual · Indie