Games like Peak
Games like Peak include DAVE THE DIVER, Cookie Clicker, Click the Button, Shelldiver, and Stardew Valley. We matched them by the tags players give Peak on Steam (Pixel Graphics, Auto Battler, Gambling, Action, and Casual): closest matches first, and among equally close ones the better-known games.

DAVE THE DIVER
Shared: Pixel Graphics · Casual · Simulation

Cookie Clicker
Shared: Pixel Graphics · Casual · Idler

Click the Button
Shared: Casual · Pixel Graphics · Simulation

Shelldiver
Shared: Casual · Simulation · Idler

Stardew Valley
Shared: Pixel Graphics · Simulation · Relaxing

The Escapists
Shared: Pixel Graphics · Simulation · Action

Nodebuster
Shared: Casual · Simulation · Idler

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

Loot Loop
Shared: Casual · Simulation · Auto Battler

Fortune Mill
Shared: Pixel Graphics · Idler · Simulation

Dragon Cliff
Shared: Pixel Graphics · Casual · Idler

Zero Stress King: Idle Defense
Shared: Auto Battler · Casual · Pixel Graphics

Book of Yog Idle RPG
Shared: Auto Battler · Simulation · Casual

Touhou Mystia's Izakaya
Shared: Pixel Graphics · Casual · Simulation

Broforce
Shared: Pixel Graphics · Action · 2D

Your Only Move Is HUSTLE
Shared: Action · Pixel Graphics · 2D

UFO 50
Shared: Pixel Graphics · Action · 2D

Vampire Survivors
Shared: Pixel Graphics · 2D · Casual

Timberman
Shared: Pixel Graphics · Casual · Action

Digseum
Shared: Casual · Pixel Graphics · Simulation

Click and Conquer
Shared: Pixel Graphics · Casual · Simulation

Bills Must Be Paid
Shared: Gambling · Casual · Idler

SANABI
Shared: Pixel Graphics · Action · 2D

Russian Life Simulator
Shared: Simulation · Action · 2D