Games like Achievement Monster
Games like Achievement Monster include Keep on Mining!, A Game About Feeding A Black Hole, Click the Button, Potion Craft: Alchemist Simulator, and Cookie Clicker. We matched them by the tags players give Achievement Monster on Steam (Incremental, Point & Click, 2D, Relaxing, and Casual): closest matches first, and among equally close ones the better-known games.

Keep on Mining!
Shared: Incremental · Relaxing · Casual

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

Click the Button
Shared: Incremental · Casual · Point & Click

Potion Craft: Alchemist Simulator
Shared: Relaxing · Singleplayer · 2D

Cookie Clicker
Shared: Incremental · Casual · Indie

Hidden Folks
Shared: Casual · Point & Click · Relaxing

Zup! S
Shared: 2D · Casual · Relaxing

Glass Masquerade
Shared: Relaxing · Casual · Indie

A Little to the Left
Shared: Relaxing · Point & Click · Casual

Zup!
Shared: Casual · 2D · Indie

Zup! 2
Shared: 2D · Casual · Indie

Russian Life Simulator
Shared: Incremental · 2D · Singleplayer

Zup! F
Shared: Casual · 2D · Indie

Shelldiver
Shared: Incremental · Casual · Relaxing

Coin Flipper
Shared: Incremental · Point & Click · Casual

Zup! X
Shared: Casual · 2D · Indie

Zup! Zero
Shared: Casual · 2D · Indie

Timberman
Shared: Casual · 2D · Indie

Human-powered spacecraft
Shared: Incremental · Casual · Relaxing

Papers, Please
Shared: Point & Click · Indie · Singleplayer

Digseum
Shared: Incremental · Casual · Relaxing

Oik
Shared: Incremental · 2D · Casual

To The Core
Shared: Incremental · 2D · Casual

Samorost 1
Shared: Point & Click · Relaxing · Casual