Requiem: Desiderium Mortis is a Free-to-Play MMORPG set in a dark distant world where an event known as the "Thanatos Incident" rendered the world almost unlivable. Create your own biological weapon known as a Temperion and experience the horrors that grip Ethergia.
This game's launcher/setup tool may require the touchscreen or virtual keyboard, or have difficult to read text
Some functionality is not accessible when using the default controller configuration, requiring use of the touchscreen or virtual keyboard, or a community configuration
This game sometimes shows mouse, keyboard, or non-Steam-Deck controller icons
Some in-game text is small and may be difficult to read
This game supports Steam Deck's native display resolution but does not set it by default and may require you to configure the display resolution manually
This game's default graphics configuration performs well on Steam Deck
SteamOS:
This game runs successfully on SteamOS
Note: Some functionality is not accessible when using the default controller configuration, requiring use of the touchscreen or virtual keyboard, or a community configuration
This game is excluded from Steam Family Sharing because: Free Game
Iran, 
Iraq, 
Libya, 
State of Palestine, 
Sudan, 
Syria, 
Yemen
