Eidos-Montréal
Canadian video game developer known for narrative-driven action games, including Deus Ex, Thief, Tomb Raider and Marvel's Guardians of the Galaxy.
Last updated August 31, 2026
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Overview
Eidos-Montréal is a Canadian video game development studio headquartered in Montreal, Quebec. It was established in 2007 as a Canadian subsidiary of Eidos Interactive, with Stéphane D'Astous serving as its founding general manager. The studio was created to develop large-scale, story-led games while using a development model built around relatively small teams working over longer production cycles. Its early identity was closely tied to Deus Ex, a science-fiction immersive-simulation and action role-playing franchise that had been dormant after the original series. Eidos-Montréal's first major project, Deus Ex: Human Revolution, reintroduced the property to a new generation and became the studio's defining early success. The company expanded its portfolio with Thief, a reboot of the stealth series, and later worked on the Tomb Raider franchise in collaboration with Crystal Dynamics. Eidos-Montréal developed Deus Ex: Mankind Divided and contributed to Shadow of the Tomb Raider, broadening its reputation for cinematic storytelling, exploration, stealth systems, role-playing mechanics and detailed fictional worlds. The studio's work has generally occupied the premium console and PC market rather than the mobile or free-to-play segments. Corporate ownership changed several times during the studio's history. Eidos Interactive became part of Square Enix in 2009, making Eidos-Montréal part of Square Enix's European organization. In 2022, Square Enix agreed to sell its western development assets, including Eidos-Montréal, to Embracer Group. The transaction was completed in August 2022, and the studio's assets were placed under CDE Entertainment, the renamed organizational structure used for the acquired Square Enix Europe businesses. The studio also participated in Square Enix's Marvel partnership. Together with Crystal Dynamics, it developed Marvel's Avengers, and it later developed Marvel's Guardians of the Galaxy. Guardians of the Galaxy used Eidos-Montréal's proprietary Dawn Engine and emphasized character relationships, dialogue and linear narrative progression. After the Embracer acquisition, the studio moved toward Unreal Engine 5 for newer work, aiming to reduce the burden of maintaining a proprietary technology platform and concentrate more heavily on content production. Eidos-Montréal has undergone substantial organizational change. Eidos-Shanghai was incorporated into the Montreal organization in 2019 but later moved to Gearbox Entertainment in 2022. Eidos-Sherbrooke, a research and development initiative established in Quebec in 2020, was closed in early 2023. The cancellation of an early-stage Deus Ex project in 2024 was followed by layoffs, including 97 employees confirmed by the studio, with further reductions reported in 2025 and 2026. Despite these changes, Eidos-Montréal has continued to operate as a development studio and has taken supporting roles on projects outside its own established franchises, including support for Microsoft's Fable and co-development work on Grounded 2 with Obsidian Entertainment.
History
Eidos-Montréal originated in Eidos Interactive's plan to establish a Montreal development subsidiary. The plan was announced in February 2007, Eidos Interactive Corporation was incorporated in March, and the studio formally opened on 26 November 2007 under founding general manager Stéphane D'Astous. Its production philosophy emphasized comparatively small teams working for longer periods, a model intended to support detailed worlds and complex narrative games. The studio announced a Deus Ex project during its founding year and later announced work on the fourth Thief installment in 2009. The studio's first major release, Deus Ex: Human Revolution, served as a revival of the Deus Ex property and established Eidos-Montréal as a significant developer of story-driven action role-playing games. It subsequently developed Thief and Deus Ex: Mankind Divided, while also contributing to the wider Tomb Raider production group. Eidos-Montréal's role in Shadow of the Tomb Raider placed it alongside Crystal Dynamics in the development of another major Eidos-associated franchise. Eidos-Montréal became part of Square Enix's European operations after Square Enix acquired Eidos in 2009. The transition produced both expansion and internal friction. D'Astous resigned in July 2013, citing irreconcilable differences with Square Enix. In March 2014, Square Enix announced that 27 Eidos-Montréal employees had been laid off. The studio nevertheless continued to grow, reporting a workforce of more than 500 people in 2018. Technology became an important part of the studio's identity. In December 2014, Eidos introduced the Dawn Engine, a proprietary technology platform derived from a heavily modified version of IO Interactive's Glacier 2 technology. The engine was designed to address perceived creative limitations in existing tools and supported sophisticated conversations, cutscenes, lighting, environmental density, dynamic objects and character-hair rendering. It powered Deus Ex: Mankind Divided and was later used for Marvel's Guardians of the Galaxy, with later additions including ray tracing, DLSS and improved mirror rendering. Eidos-Montréal expanded its regional organization during the late 2010s and early 2020s. Eidos-Shanghai, founded in 2008 for outsourcing work, became part of Eidos-Montréal in 2019. In 2020, Square Enix announced Eidos-Sherbrooke, a research and development studio intended to collaborate with nearby universities and investigate new computing technologies. It was planned to grow from an initially remote team of about 20 toward 100 employees, but the studio closed in late January 2023. Eidos-Shanghai was separated from Eidos-Montréal in November 2022 and transferred to Gearbox Entertainment as Gearbox Studio Shanghai. The studio also became involved in Square Enix's Marvel strategy. A 2017 partnership between Square Enix and Marvel led to Marvel's Avengers, developed by Crystal Dynamics and Eidos-Montréal. At E3 2021, Eidos-Montréal's Guardians of the Galaxy project was publicly announced. The game used Dawn Engine technology and placed greater emphasis on a single-player narrative, dialogue choices and relationships among the central characters. In 2022, Square Enix agreed to sell Eidos-Montréal and other western assets to Embracer Group. Embracer expressed interest in developing sequels, remakes and remasters associated with the acquired studios' established properties, including Deus Ex and Thief. The acquisition closed on 26 August 2022, and the assets were organized under CDE Entertainment. Around the same period, Eidos-Montréal moved away from Dawn Engine for new work and adopted Unreal Engine 5, reflecting a strategic preference for using an established external platform rather than developing a proprietary engine alongside each game. A new Deus Ex project was reported in November 2022 to be at a very early stage. In January 2024, reports stated that Embracer had cancelled the project after approximately two years of development and had initiated layoffs. Eidos-Montréal confirmed that 97 people were affected. Further reductions followed, including 75 layoffs reported in March 2025 and 124 more in March 2026. The studio has also diversified its production role: Microsoft announced in 2024 that Eidos-Montréal was supporting development of Fable, while a 2025 Xbox Games Showcase announcement identified the studio as a co-developer of Grounded 2 alongside Obsidian Entertainment.
- 2025
Grounded 2 co-development announced
[1]The studio was announced as a co-developer of Grounded 2 with Obsidian Entertainment.
- 2024
Deus Ex project cancelled
[1]A new Deus Ex project was cancelled and Eidos-Montréal confirmed associated layoffs.
- 2024
Fable support announced
[1]Eidos-Montréal was identified as a support developer for the upcoming Fable project.
- 2023
Eidos-Sherbrooke closes
[1]The Eidos-Sherbrooke research and development studio closed in late January.
- 2022
Embracer acquisition completed
[1]Embracer Group completed its acquisition of Eidos-Montréal and related Square Enix western assets, organized under CDE Entertainment.
- 2021
Guardians of the Galaxy revealed
[1]Eidos-Montréal's Marvel's Guardians of the Galaxy project was announced during an E3 presentation.
- 2020
Eidos-Sherbrooke established
[1]Square Enix announced a Quebec research and development studio linked to nearby universities.
- 2019
Eidos-Shanghai becomes part of Eidos-Montréal
[1]The Shanghai outsourcing studio was brought into the Eidos-Montréal organization.
- 2017
Marvel partnership announced
[1]Square Enix and Marvel Entertainment announced a multi-game partnership involving Eidos-Montréal and Crystal Dynamics.
- 2014
Dawn Engine revealed
[1]Eidos introduced its proprietary Dawn Engine technology for future projects.
Products and positioning
A premium game developer focused on narrative-rich action, stealth, role-playing and adventure experiences for consoles and PC.
Action role-playing game · 2011
Deus Ex: Human Revolution
Eidos-Montréal's first major Deus Ex project and a prequel to the original series. The game combines first-person shooting, stealth, exploration, dialogue and character augmentation within a branching science-fiction conspiracy narrative. Its release re-established Deus Ex as a major premium game franchise and became the studio's signature early achievement.
Action role-playing game · 2016
Deus Ex: Mankind Divided
A direct continuation of Human Revolution, Mankind Divided follows Adam Jensen in a politically fractured future shaped by discrimination against mechanically augmented people. It expands the series' stealth, combat, exploration and choice-driven systems and was the first major game to use Eidos-Montréal's Dawn Engine.
Stealth action game · 2014
Thief
A reboot of Eidos' classic stealth franchise, Thief follows the master burglar Garrett through a dark, industrial city. The game emphasizes infiltration, environmental exploration, theft and avoidance of direct combat, while updating the series for contemporary consoles and PC.
Action-adventure game · 2018
Shadow of the Tomb Raider
Eidos-Montréal contributed to the development of this Tomb Raider installment alongside Crystal Dynamics. The game completes Lara Croft's modern origin trilogy and combines traversal, environmental puzzles, exploration, combat and stealth across a range of South American-inspired settings.
Action-adventure game · 2020
Marvel's Avengers
Developed by Crystal Dynamics with Eidos-Montréal among the participating studios, Marvel's Avengers is a superhero action game based on Marvel characters. Eidos-Montréal's involvement formed part of Square Enix's broader Marvel partnership rather than representing a solely Montreal-developed title.
Narrative action-adventure game · 2021
Marvel's Guardians of the Galaxy
A single-player action-adventure game developed by Eidos-Montréal around Marvel's Guardians of the Galaxy. It focuses on Peter Quill and the team's interpersonal relationships, with dialogue choices and story decisions shaping the presentation of the campaign. The game also demonstrated the Dawn Engine's later capabilities.
Action role-playing game
Fable
Eidos-Montréal has been identified as a support developer on the upcoming Fable project. The studio's role is supportive rather than that of the sole developer, and the available reference material does not specify its exact production responsibilities.
Survival adventure game
Grounded 2
Eidos-Montréal was announced as a co-developer of Grounded 2 alongside Obsidian Entertainment. The project extends the studio's work as a partner on externally led franchise development rather than as an original Eidos-owned production.
Brand decisions
2024
Cancel a new Deus Ex projectOtherBackground
A new Deus Ex game had reportedly been in very early development for about two years amid Embracer Group restructuring.
Action taken
Embracer cancelled the project and Eidos-Montréal confirmed layoffs affecting 97 employees.
Aftermath
The cancellation reduced the studio's planned franchise pipeline and was followed by additional workforce reductions in 2025 and 2026.
2022
Transfer to Embracer GroupM&ABackground
Square Enix agreed to sell its western development assets, including Eidos-Montréal, as part of a broader portfolio transaction.
Action taken
Embracer Group completed the acquisition on 26 August 2022 and placed the studio under CDE Entertainment.
Aftermath
The change in ownership brought the studio into Embracer's organization and was followed by renewed public interest in established properties such as Deus Ex and Thief.
2022
Adopt Unreal Engine 5 for new workStrategyBackground
Maintaining a proprietary engine alongside game production created technical and production demands.
Action taken
Eidos-Montréal moved away from Dawn Engine and adopted Unreal Engine 5 for ongoing projects.
Aftermath
The studio described the change as a way to concentrate resources on game content rather than simultaneously developing the technology foundation.
2014
Build a proprietary Dawn EngineStrategyBackground
The studio concluded that existing technology constrained its creative ambitions and chose to develop a heavily modified engine based on IO Interactive's Glacier 2 technology.
Action taken
Eidos-Montréal created Dawn Engine with enhanced systems for conversations, cutscenes, lighting, environmental density, hair rendering and dynamic objects.
Aftermath
Dawn Engine powered Deus Ex: Mankind Divided and Marvel's Guardians of the Galaxy before the studio later moved to Unreal Engine 5.
Recent events
- 2026
Eidos-Montréal reports major workforce reduction[1]
Leadership change
A further reduction reportedly affected 124 people, including David Anfossi.
- 2025
Eidos-Montréal reports further layoffs[1]
Leadership change
The studio laid off an additional 75 employees amid continuing restructuring.
- 2025
Eidos-Montréal announces Grounded 2 co-development role[1]
Product launch
The studio announced that it would co-develop Grounded 2 with Obsidian Entertainment.
- 2024
Eidos-Montréal confirms layoffs after Deus Ex cancellation[1]
Product generation · Leadership change
Following the cancellation of a new Deus Ex project, the studio confirmed that 97 employees had been laid off.
- 2022
Embracer completes acquisition of Eidos-Montréal[1]
M&A
Embracer Group completed its purchase of Square Enix's western development assets, with Eidos-Montréal placed under CDE Entertainment.
- 2021
Eidos-Montréal joins the Marvel's Guardians of the Galaxy project[1]
Product launch
The studio was announced as the developer of a game based on Marvel's Guardians of the Galaxy.
- 2017
Square Enix announces Marvel game partnership[1]
M&A · Other
Square Enix announced a partnership with Marvel Entertainment to develop multiple games, including Marvel's Avengers with Crystal Dynamics and Eidos-Montréal.
- 2007
Eidos-Montréal opens as an Eidos Interactive subsidiary[1]
Other
The Montreal studio formally opened after Eidos Interactive announced and incorporated the new Canadian development subsidiary.
Sources2 sources
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