Games like Click Click Dig: Prologue
Games like Click Click Dig: Prologue include Cookie Clicker, Digseum, Idle Champions of the Forgotten Realms, Melvor Idle, and Nodebuster. We matched them by the tags players give Click Click Dig: Prologue on Steam (Incremental, Idler, Casual, Simulation, and Free to Play): closest matches first, and among equally close ones the better-known games.

Cookie Clicker
Shared: Incremental · Idler · Casual

Digseum
Shared: Incremental · Idler · Casual

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

Melvor Idle
Shared: Idler · Casual · RPG

Nodebuster
Shared: Incremental · Casual · Idler

Shelldiver
Shared: Incremental · Casual · Idler

Dragon Cliff
Shared: Idler · Incremental · Casual

Stardew Valley
Shared: Simulation · Pixel Graphics · RPG

Keep on Mining!
Shared: Incremental · Idler · Casual

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

Click the Button
Shared: Incremental · Casual · Idler

Click and Conquer
Shared: Incremental · Casual · Idler

Click Mage
Shared: Incremental · Simulation · Casual

DAVE THE DIVER
Shared: Casual · Pixel Graphics · Simulation

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

Fortune Mill
Shared: Incremental · Idler · Simulation

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

Firestone – Idle Clicker Online RPG
Shared: Incremental · Idler · Casual

Loot Loop
Shared: Incremental · Casual · Idler

Weapon Shop Fantasy
Shared: Simulation · Casual · Incremental

Space Rock Breaker
Shared: Incremental · Casual · Idler

Graveyard Keeper
Shared: Simulation · Crafting · Pixel Graphics

Horripilant
Shared: Incremental · Idler · Casual

Potion Craft: Alchemist Simulator
Shared: Crafting · Simulation · Singleplayer