Games like Idle Battle RPG
Games like Idle Battle RPG include Kenshi, Stardew Valley, Terraria, Graveyard Keeper, and Noita. We matched them by the tags players give Idle Battle RPG on Steam (RPG, Idler, Survival, Perma Death, and Sandbox): closest matches first, and among equally close ones the better-known games.

Kenshi
Shared: RPG · Survival · Sandbox

Stardew Valley
Shared: RPG · Pixel Graphics · Sandbox

Terraria
Shared: Survival · Sandbox · Pixel Graphics

Graveyard Keeper
Shared: RPG · Pixel Graphics · Sandbox

Noita
Shared: Sandbox · Pixel Graphics · Roguelike

Don't Starve
Shared: Survival · Sandbox · Perma Death

Project Zomboid
Shared: Survival · Sandbox · RPG

Stoneshard
Shared: RPG · Survival · Pixel Graphics

Dragon Cliff
Shared: RPG · Idler · Incremental

Cookie Clicker
Shared: Idler · Incremental · Pixel Graphics

Don't Starve Together
Shared: Survival · Sandbox · RPG

Core Keeper
Shared: Survival · Sandbox · Pixel Graphics

Pixel Piracy
Shared: Sandbox · Action RPG · RPG

Rust
Shared: Survival · Sandbox · RPG

鬼谷八荒 Tale of Immortal
Shared: RPG · Sandbox · Simulation

Starbound
Shared: Survival · Sandbox · Pixel Graphics

Hero Siege
Shared: RPG · Action RPG · Pixel Graphics

Necesse
Shared: Survival · Sandbox · Pixel Graphics

Amazing Cultivation Simulator
Shared: RPG · Sandbox · Simulation

Magicite
Shared: RPG · Pixel Graphics · Roguelike

Forager
Shared: Survival · Pixel Graphics · Sandbox

Swag and Sorcery
Shared: RPG · Pixel Graphics · Incremental

NEO Scavenger
Shared: Survival · RPG · Perma Death

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