Games like AVARIS3
Games like AVARIS3 include 鬼谷八荒 Tale of Immortal, Tactics Ogre: Reborn, Totally Accurate Battle Simulator, Mountain, and Warsim: The Realm of Aslona. We matched them by the tags players give AVARIS3 on Steam (Simulation, Procedural Generation, Fantasy, 2.5D, and Singleplayer): closest matches first, and among equally close ones the better-known games.

鬼谷八荒 Tale of Immortal
Shared: Simulation · Singleplayer · Tactical RPG

Tactics Ogre: Reborn
Shared: Simulation · Strategy RPG · Tactical RPG

Totally Accurate Battle Simulator
Shared: Simulation · Singleplayer · Indie

Mountain
Shared: Simulation · Indie · Singleplayer

Warsim: The Realm of Aslona
Shared: Simulation · Procedural Generation · Fantasy

Papers, Please
Shared: Simulation · Indie · Singleplayer

Gladiator Guild Manager: Prologue
Shared: Simulation · Fantasy · Singleplayer

觅长生
Shared: Fantasy · Simulation · Indie

Plague Inc: Evolved
Shared: Simulation · Singleplayer · Indie

Game Dev Tycoon
Shared: Simulation · Indie · Singleplayer

Graveyard Keeper
Shared: Simulation · Singleplayer · Indie

FTL: Faster Than Light
Shared: Singleplayer · Indie · Procedural Generation

Star Renegades
Shared: Singleplayer · Tactical RPG · Strategy RPG

Thief Simulator
Shared: Simulation · Singleplayer · Indie

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

Drug Dealer Simulator
Shared: Simulation · Singleplayer · Indie

Banished
Shared: Simulation · Singleplayer · Indie

House Flipper
Shared: Simulation · Singleplayer · Indie

Receiver
Shared: Simulation · Procedural Generation · Indie

Gold Mining Simulator
Shared: Simulation · Singleplayer · Indie

Reus
Shared: Simulation · Singleplayer · Indie

911 Operator
Shared: Simulation · Singleplayer · Indie

Slime Rancher
Shared: Singleplayer · Simulation · Fantasy

WorldBox - God Simulator
Shared: Simulation · Fantasy · Indie