Maintenance - October 13th (Complete)
Publisher on Steam
Steam edition · Action / Adventure / Massively Multiplayer / RPG / Free To Play
MIR4
Windows
“MIR4 is a free-to-play open world K-fantasy MMORPG that can be cross-played on both PC and mobile devices. MIR4 is full of…”
Publisher overview on Steam
From the publisher
Updates & announcements
Checked 2026-10-14 · Publisher posts for the Steam edition.
Know your edition
Game details
Where to play
Windows
Platforms shown are for this Steam edition. Features and available content can differ on other stores and consoles.
Official game information ↗Steam features
Multi-player · PvP · Online PvP · Co-op · Online Co-op · Cross-Platform Multiplayer
Release listed on Steam: Aug 25, 2021
Before you play
Check the store’s current system requirements and available languages for your device.
System requirements ↗Sources & review
Reviewed October 13, 2026. This page covers Steam app 1623660. The game’s presence in the most-played snapshot is not a mod compatibility rating.
View game definition ↗