Games like Deep Reach
Games like Deep Reach include Shelldiver, Nodebuster, Melvor Idle, Cookie Clicker, and To The Core. We matched them by the tags players give Deep Reach on Steam (Casual, Simulation, Adventure, Idler, and Incremental): closest matches first, and among equally close ones the better-known games.

Shelldiver
Shared: Casual · Incremental · Idler

Nodebuster
Shared: Casual · Incremental · Simulation

Melvor Idle
Shared: Casual · Idler · Adventure

Cookie Clicker
Shared: Casual · Idler · Incremental

To The Core
Shared: Casual · Incremental · Adventure

DAVE THE DIVER
Shared: Casual · Adventure · Simulation

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

Keep on Mining!
Shared: Casual · Idler · Incremental

Fortune Mill
Shared: Idler · Incremental · Simulation

That's not my Neighbor
Shared: Casual · Adventure · Simulation

Russian Life Simulator
Shared: Simulation · Incremental · 2D

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

All Hail the Orb
Shared: Simulation · Incremental · Idler

Digseum
Shared: Casual · Incremental · Idler

Click the Button
Shared: Casual · Simulation · Idler

Click and Conquer
Shared: Casual · Simulation · Incremental

Horripilant
Shared: Idler · Casual · Incremental

Dragon Cliff
Shared: Idler · Casual · Incremental

Slime Rancher
Shared: Adventure · Simulation · Singleplayer

Incredicer
Shared: Casual · Idler · Incremental

Space Rock Breaker
Shared: Casual · Incremental · Idler

Rock Bottom
Shared: Casual · Incremental · Adventure

Moncage
Shared: Casual · Adventure · Singleplayer

There Is No Game: Wrong Dimension
Shared: Adventure · Casual · Puzzle