Requiem: Desiderium Mortis

Free-to-play dark fantasy MMORPG with gory combat in Ethergia

Gravity Interactive, Inc. · Released Mar 4, 2015

Action Adventure Casual Massively Multiplayer RPG Free To Play

Reviews: Mixed; 67% of 1,079
Recent reviews: Not enough recent
Players: 10; daily peak, Nov 7, 2026
Steam Deck: Playable
Last update on Steam: 4 years ago; Aug 19, 2022
Minimum PC: FX 5600 \ HD2; 0.5 GB RAM · 12 GB disk; Full requirements

What is Requiem: Desiderium Mortis?

A free-to-play MMORPG set in Ethergia, a dark world made nearly unlivable by the Thanatos Incident. You choose a race and class, create a biological weapon called a Temperion, and explore cities and wastelands while fighting enemies on PvE or PvP servers.

For you if...

+you enjoy long MMO grinds in dark fantasy settings
+you want to choose between PvP and PvE servers
+you like crafting and upgrading equipment

Not for you if...

−you prefer single-player adventures over online multiplayer worlds
−you want quick progression with simple equipment systems
−you avoid graphic violence and dismemberment in combat

What players say

67% of 1,079 reviews are positive

Players praise the dark atmosphere, gory combat effects, and class abilities. Many describe the player population as small and say updates have stopped. Some also report crashes and other technical problems.

Screenshots and trailer

Requiem: Desiderium Mortis system requirements

Minimum: FX 5600 \ HD2, 0.5 GB RAM, 12 GB of disk space.

As published by the developer.

Can my PC run Requiem: Desiderium Mortis?

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Minimum

OS: Windows XP
Processor: Pentium 4 2.0GHz \ AMD XP 2000
Graphics: Geforce FX 5600 \ Radeon HD2
Memory: 512 MB RAM
Storage: 12 GB available space
DirectX: Version 9.0c

Does Requiem: Desiderium Mortis have co-op or multiplayer?

Yes: MMO. There is no single-player mode.

Does Requiem: Desiderium Mortis run on Steam Deck?

Playable Playable: it runs on Steam Deck with some adjustments.

The launcher or setup tool may need the touchscreen or virtual keyboard
Default controller config not fully functional
Sometimes shows mouse, keyboard or non-Deck controller icons
Some in-game text is small and may be hard to read
The native resolution is not the default one
Default graphics settings perform well on Steam Deck

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Steam features: Family Sharing, Trading cards
Age rating: 17+
Languages: Text only: English.

Does Requiem: Desiderium Mortis use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 25, 2026. How to filter AI games on Steam