Games like Dopaminer
Games like Dopaminer include Idle Champions of the Forgotten Realms, Cookie Clicker, Keep on Mining!, Shelldiver, and Nodebuster. We matched them by the tags players give Dopaminer on Steam (Casual, Incremental, Idler, 2D, and Singleplayer): closest matches first, and among equally close ones the better-known games.

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

Cookie Clicker
Shared: Incremental · Idler · Casual

Keep on Mining!
Shared: Incremental · Casual · Idler

Shelldiver
Shared: Casual · Incremental · Idler

Nodebuster
Shared: Casual · Incremental · Idler

Space Rock Breaker
Shared: Casual · Incremental · Idler

To The Core
Shared: Casual · Incremental · 2D

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

Melvor Idle
Shared: Casual · Idler · Singleplayer

Firestone – Idle Clicker Online RPG
Shared: Incremental · Idler · 2D

Digseum
Shared: Casual · Incremental · Idler

Click the Button
Shared: Casual · Incremental · Idler

Click and Conquer
Shared: Casual · Incremental · Idler

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

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

Your Chronicle
Shared: Idler · Incremental · Free to Play

Marisa!ReturnTheBook!
Shared: Casual · Incremental · Idler

Chef Knight
Shared: Incremental · Casual · Idler

Loot Loop
Shared: Casual · Incremental · Idler

Fortune Mill
Shared: Incremental · Idler · Casual

Deep Space Cache
Shared: Casual · Incremental · Idler

Dragon Cliff
Shared: Idler · Incremental · Casual

SPACEPLAN
Shared: Casual · Incremental · Singleplayer

Russian Life Simulator
Shared: Incremental · 2D · Singleplayer