Games like Incremental Epic Hero 2
Games like Incremental Epic Hero 2 include Book of Yog Idle RPG, Melvor Idle, TBH: Task Bar Hero, Idle Champions of the Forgotten Realms, and Dragon Cliff. We matched them by the tags players give Incremental Epic Hero 2 on Steam (Idler, Auto Battler, Automation, Hack and Slash, and RPG): closest matches first, and among equally close ones the better-known games.

Book of Yog Idle RPG
Shared: Auto Battler · Hack and Slash · Simulation

Melvor Idle
Shared: Idler · RPG · Automation

TBH: Task Bar Hero
Shared: Idler · RPG · Hack and Slash

Idle Champions of the Forgotten Realms
Shared: Idler · RPG · Management

Dragon Cliff
Shared: Idler · RPG · Strategy

鬼谷八荒 Tale of Immortal
Shared: RPG · Management · Singleplayer

Ni no Kuni™ II: Revenant Kingdom
Shared: RPG · JRPG · Anime

Legends of Dragaea: Idle Dungeons
Shared: Idler · Automation · Auto Battler

Recettear: An Item Shop's Tale
Shared: RPG · JRPG · Anime

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

IdleOn - The Incremental MMO
Shared: Idler · RPG · Management

Rusty's Retirement
Shared: Idler · Automation · Management

Cyberdimension Neptunia: 4 Goddesses Online
Shared: RPG · JRPG · Hack and Slash

Persona® 5 Strikers
Shared: Hack and Slash · JRPG · Anime

Granblue Fantasy: Relink
Shared: Hack and Slash · JRPG · Anime

9 Kings
Shared: Auto Battler · RPG · Roguelike

Tales of Berseria™
Shared: RPG · JRPG · Anime

Trials of Mana
Shared: RPG · JRPG · Hack and Slash

Path of Idle: Old Gods Rising
Shared: Idler · RPG · Auto Battler

FINAL FANTASY XV WINDOWS EDITION
Shared: RPG · JRPG · Singleplayer

Cat Quest
Shared: RPG · Hack and Slash · Cute

Super Fantasy Kingdom
Shared: Auto Battler · RPG · Roguelike

NieR:Automata™
Shared: Hack and Slash · RPG · JRPG

Tales of ARISE
Shared: RPG · JRPG · Anime