PathEngine's clients include:
Games
- CD Projekt RED (for 'The Witcher 2', on PC, Xbox 360)
- 4A Games (for 'Metro 2033: The Last Refuge' - PC, Xbox 360) [released,reviews:1,2]
- Rare (for 'Banjo-Kazooie: Nuts & Bolts' - Xbox 360 [released,reviews:1,2] , and another Xbox 360 title to be announced)
- Avalanche Studios (for 'Just Cause 2', on PC, Xbox 360, PS3)" [released,reviews:1,2]
- The Creative Assembly (for 'Stormrise' - PC, Xbox 360, PS3) [released,videos:1,2]
- Deck13 Interactive (for 'Venetica' [released,video:1] , Blood Knights and Tiger & Chicken, on PC, Xbox 360, PS3)
- Nexon (for 'ZerA: Imperan Intrigue' [released] , 'Mabinogi' [released,review:1] , 'Nexon Star', 'Bubble Fighter' )
- NHN Corporation (for 'Reign of Revolution' [released,video:1] and 'Continent of the Ninth' [open beta,video:1, 2, 3 ]" )
- NCSoft (for 'Blade & Soul')
- IronLore Entertainment (for 'Titan Quest' and 'Titan Quest: Immortal Throne') [released,reviews:1,2]
- IMC Games (for 'Granado Espada', and 2 other unanounced projects) [released,reviews:1,2]
- Flying Lab Software (for 'Pirates of the Burning Sea') [released,reviews:1,2]
- Bigpoint (for 'Drakensang Online' [released] )
- B-Alive ( for 'WildLife Park 2' [released,reviews:1,2] , 'Apassionata' [released] , 'WildLife Park 3' )
- NTL Incorporated (for 'Dragonball Online') [released]
- Black Element (for 'Alpha Prime' - PC, Xbox) [released,reviews:1,2]
- Frogwares (for 'World of Battles') [released,video:1]
- NetTimeSoft Corporation (for 'Florensia') [released,reviews:1,2]
- 3d-io (for 'Perry Rhodan') [released,reviews:1,2]
- Dimps Corporation (for 'Mobile Suit Gundam: Operation Troy' - Xbox 360) [released]
- Enium Corporation (for"'Maypan') [released]
- Cats Who Play (for 'Fairy Tales: Three Heros') [released]
- Ymir Entertainment (for 'Inferna') [released]
- Gravity (for 'Ragnarok Online 2') [released]
- G10 Entertainment (for 'The Heaven of Three Kingdoms') [released]
- Goorm Interactive (for 'We Online') [released]
- PlayBuster (for 'Heva Online') [released]
- Firefly Studios (for 'Stronghold 3') [released]
- Masthead Studios (for 'Earthrise') [released]
- Aerrevan Ltd. (for 'Aerrevan') [released]
- ZootFly (for an unannounced title, on PC, Xbox 360, PS3)
- Monolith
- Jagex (for 'Transformers Universe')
- MGame (for 'Warbane')
- Liveplex (for 'Queen's Blade')
- Joymax, (for 'Silkroad 2')
- Lionhead (for 'Milo & Kate', on Xbox 360)"
- WeMade Entertainment (for 'NED Online', and 'ChangChung II')
- Gorilla Banana Entertainment (for 'Red Blood Online')
- MAIET entertainment, Inc. (for 'RaiderZ')
- NPluto (for 'Soul Master')
- Barunson Games (for 'Acheron')
- Sirius Entertainment (for 'Lime Odyssey')
- Real U (for 'Otherland')
- HanbitSoft (for 'R.O.D.')
- UserJoy Technology Co., Ltd.
- inXile entertainment (for 'HEI$T' - PC, Xbox 360, PS3)
- 1GPN (for 'Ragnesis Online')
- Sonokong Corporation
- ArenaNet (for 'Guild Wars 2')
- Gungho Online Entertainment, Inc. (for 'Grandia Online')
- SkyFallen Entertainment (for 'Blood Magic')
- Wefly Entertainment (for 'Grasen')
- Master Creating (for 'Legend - Hand of god')
- Webzen (for 'MU2')
- JoyCity
- CC Network Ltd.
- Ginno Games
- Joyon Entertainment
- CJInternet Corporation
- yedang online
- Ani-park, Inc.
- GAMEHI Inc.
- Aeonsoft, Inc.
- NeoAct Co.,Ltd.
- SK imedia
- Ntreev Soft
- Pseudoware
- Eyasoft
- TN Soft (Korea)
Simulation
- L'Armée de Terre, France - Division Simulation et Recherche Opérationnelle (DSRO) (for 'JANUS' )
- Indra Sistemas S.A.
- Saab Technologies
- MASA Group (for 'SWORD Critical Infrastructure')
- Elbit Systems
Academic