Games like Zero To Hero Idle
Games like Zero To Hero Idle include Melvor Idle, DELTARUNE, Graveyard Keeper, Your Chronicle, and Undertale. We matched them by the tags players give Zero To Hero Idle on Steam (RPG, Idler, Auto Battler, Singleplayer, and 2D): closest matches first, and among equally close ones the better-known games.

Melvor Idle
Shared: RPG · Idler · Singleplayer

DELTARUNE
Shared: RPG · Pixel Graphics · Singleplayer

Graveyard Keeper
Shared: RPG · Pixel Graphics · Singleplayer

Your Chronicle
Shared: RPG · Idler · Auto Battler

Undertale
Shared: RPG · Pixel Graphics · Singleplayer

Cookie Clicker
Shared: Idler · Pixel Graphics · Indie

Vampire Survivors
Shared: Pixel Graphics · 2D · Singleplayer

Idle Champions of the Forgotten Realms
Shared: Idler · Singleplayer · Fantasy

The Witcher 3: Wild Hunt — Remastered
Shared: RPG · Singleplayer · Fantasy

Loot of Baal
Shared: RPG · Idler · Singleplayer

Incremental Epic Hero 2
Shared: Idler · Auto Battler · RPG

Dragon Cliff
Shared: RPG · Idler · Pixel Graphics

Stardew Valley
Shared: RPG · Pixel Graphics · Indie

Swords and Souls: Neverseen
Shared: RPG · Singleplayer · Indie

Stoneshard
Shared: RPG · Pixel Graphics · 2D

Travellers Rest
Shared: RPG · Pixel Graphics · Medieval

Tower Wizard
Shared: Idler · 2D · Pixel Graphics

The Mageseeker: A League of Legends Story™
Shared: RPG · 2D · Pixel Graphics

Swag and Sorcery
Shared: RPG · Pixel Graphics · Singleplayer

Rogue Legacy
Shared: Singleplayer · RPG · 2D

Despot's Game: Dystopian Battle Simulator
Shared: Auto Battler · Pixel Graphics · RPG

Crusaders Quest : Hero Town
Shared: RPG · Idler · Pixel Graphics

To the Moon
Shared: Pixel Graphics · Singleplayer · RPG

CrossCode
Shared: RPG · Pixel Graphics · Singleplayer