PathEngine's clients include:
Games
- IMC Games (for 'Granado Espada')
- Enium Corporation (for"'Maypan')
- IronLore Entertainment (for 'Titan Quest')
- Flying Lab Software (for 'Pirates of the Burning Sea')
- NCsoft
- Nexon (for 'Zera - Imperan Intrigue')
- Black Element (for 'Alpha Prime' - PC, Xbox)
- Joyon Entertainment
- B-Alive (for 'WildLife Park 2')
- CJInternet Corporation
- NetTimeSoft Corporation
- Master Creating (for 'Legend - Hand of god')
- Dimps Corporation (for 'Mobile Suit Gundam: Operation Troy' - Xbox 360)
- Sonokong Corporation
- Webzen (for 'Soul of the Ultimate Nation')
- Wefly Entertainment
- NHN Corporation
- NTL Incorporated
- People Can Fly
- G10 Entertainment
- Avalanche Studios (for 'Just Cause 2', on PC, Xbox 360, PS3)
- Intelligent Soft (for 'Ragnesis Online')
- inXile entertainment (for 'HEI$T' - PC, Xbox 360, PS3)
- MGame Japan
- 3d-io (for 'Perry Rhodan')
- The Creative Assembly (for an unannounced project, on PC, Xbox 360, PS3)
- NextPlay (for 'Firenze')
- ArenaNet (for 'Guild Wars 2')
- yedang online
- MAIET entertainment, Inc.
- Ani-park, Inc.
- Gungho Online Entertainment, Inc.
- Rare (Microsoft Corporation) (for two yet to be announced Xbox 360 titles)
- GAMEHI Inc.
- 4A Games (for 'Metro 2033: The Last Refuge')
- Aeonsoft, Inc.
- Deck13 Interactive (for a yet to be announced title on PC and Xbox 360)
- Ymir Entertainment
- Frogwares
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')
Academic