Requiem: Memento Mori is a free-to-play horror-themed massively multiplayer online role-playing game developed and published by Gravity in 2008.

With the first significant update from the new development team at Gravity Interactive the game was given a new season subtitle and was released as: Requiem: Rise of the Reaver which launched on February 20, 2013.

[2] Requiem: Rise of the Reaver web page background The first significant update from the new development team at Gravity Interactive, titled "Daughters of the Frost Blade", was announced on 2/19/2014 at the official web site.

[3] The "Daughters of the Frost Blade" Update included: (1) New Story Quests and a New Daily Quest Hub with numerous New Daily Quests (2) New World Boss: Queen of the Frost Blade Clan, Wintriness (3) New Accessories aimed at levels 87 and higher (4) New Xeons (in game crafting system components) (5) New Compounding Recipes (in game crafting system formulas) Requiem: Rise of the Reaver icon The following significant update from the new development team at Gravity Interactive, titled "Rage of Voxyon", was announced on 8/18/2014 at the official web site.

[4] The "Rage of Voxyon" Update included: (1) New Raid:Voxyon's Lair (2) New Raid Boss: Voxyon (3) Voxyon's dropable loot includes new Level 90 Armor Sets (4) New Quest Hub: Numaren Xenon Outpost includes New Story Quests for Level 70+ and New Daily Quests for Level 70+ (5) New Enchantment Xeons and New Compounding Recipes for Enchantment Xeons (for in game crafting system formulas) (6) Upgraded Mercenaries (summoned NPC ally system) with Temperion Models now vastly stronger and some will have gained new abilities (7) Field Boss Wintriness now has a chance to drop Frozen Compression Tokens (for in game crafting system formulas) (8) Various Bug Fixes for content released since the "Daughters of the Frost Blade" update Rage of Voxyon banner Requiem: Bloodymare received a 3 out of 5 from X-Play,[5] 70% from GamesRadar,[6] and 3 out of 5 from MMOHuts.