Games like Idle Protocol
Games like Idle Protocol include Cookie Clicker, Nodebuster, Zero Stress King: Idle Defense, Plants vs. Zombies GOTY Edition, and A Game About Feeding A Black Hole. We matched them by the tags players give Idle Protocol on Steam (Strategy, Incremental, Casual, Idler, and Auto Battler): closest matches first, and among equally close ones the better-known games.

Cookie Clicker
Shared: Incremental · Idler · Casual

Nodebuster
Shared: Incremental · Strategy · Casual

Zero Stress King: Idle Defense
Shared: Strategy · Idler · Tower Defense

Plants vs. Zombies GOTY Edition
Shared: Strategy · Tower Defense · Casual

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

Dragon Cliff
Shared: Strategy · Idler · Incremental

Loot Loop
Shared: Incremental · Casual · Idler

Keep on Mining!
Shared: Incremental · Casual · Idler

Bloons TD 6
Shared: Strategy · Tower Defense · Casual

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

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

Desktop Defender
Shared: Incremental · Idler · Auto Battler

Firestone – Idle Clicker Online RPG
Shared: Incremental · Idler · Auto Battler

Shelldiver
Shared: Incremental · Casual · Idler

Deep Space Cache
Shared: Incremental · Casual · Strategy

Tower Wizard
Shared: Incremental · Strategy · Idler

Kingdom Rush - Tower Defense
Shared: Strategy · Tower Defense · Casual

Click and Conquer
Shared: Incremental · Casual · Idler

Timber Rush
Shared: Casual · Idler · Strategy

Fishing Inc
Shared: Incremental · Casual · Strategy

Digseum
Shared: Incremental · Casual · Idler

Outhold
Shared: Incremental · Strategy · Tower Defense

Orb of Creation
Shared: Incremental · Strategy · Casual

Feed the Reactor
Shared: Strategy · Incremental · Casual