Proprietary engine created by Crystal Dynamics for Tomb Raider: Legend. Has been used by several Eidos games since, including Deus Ex: Human Revolution.

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GMDXv8.0's release date has been set back to DEC 20th 2015 as more testing time is needed.

In the meantime, all the videos that demonstrate the sheer scale and design progression that is GMDX:

Part 1: Artificial Intelligence:
Part 2: Player-Controlled Mechanics:
Part 3: Sim Systems and Effects:
Part 4: Weaponry:
Part 5: RPG Systems:
Part 6: Level Design & Graphics:
Part 7: Audio Design & UI:
Part 8: Preferences & Misc:

As a side note, ALL Military-type NPCs can now melee if you get up close:

GMDX has also gained a new team member! He's a talented artist that goes by the alias '"Barbeerian", and intends to aid GMDX fulfill its potential by adding a variety of new art: 2D textures, skins, models and animations.
Here's a shot of the very first asset contributed in its early creation stage, a helmet model:

I'm always looking for new team members to push Deus Ex at an accelerated rate and cover other fields of design, so if you're interested send a PM.

Apologies for the delay. Quality is important.

Drawing Closer. Parts 4 & 5 Released

Drawing Closer. Parts 4 & 5 Released

GMDX 5 comments

GMDX addresses the many flaws of Deus Ex, polishes it to a very high standard, and adds new layers of depth that one would have hoped to see in a sequel.

GMDX Release Date Revealed + More

GMDX Release Date Revealed + More

GMDX 15 comments

I am proud to announce the release date of GMDX (v8.0): December 7th, 2015. GMDX addresses the many flaws of the game, polishes it to a very high standard...

Deus Ex: Mankind Divided - Coming next year in late February!

Deus Ex: Mankind Divided - Coming next year in late February!

News 5 comments

With a controversial way to pre-order on

GMDX v8 news

GMDX v8 news

GMDX 7 comments

Progress on v8 of GMDX is coming along well and the underclasses are starting to get desperate for a taste. To apply for playtesting you can just drop...

Add game Games
Deus Ex: Human Revolution

Deus Ex: Human Revolution


Adam Jensen was hand-picked to safeguard the secrets of America's top biotech firm. But when a black ops team breaks in and kills the scientists he was...

Tomb Raider: Legend

Tomb Raider: Legend


Lara Croft's search for a South American relic changes course dramatically when she meets a dangerous figure from her past, and she finds herself in a...

Tomb Raider: Anniversary

Tomb Raider: Anniversary


In 1945 in New Mexico, a blast from a nuclear experiment in Manhattan Project reveals a strange crystalline structure, from which a winged creature flies...

Tomb Raider: Underworld

Tomb Raider: Underworld


Lara Croft continues in her search for her long lost mother in the legendary land of Avalon.


Best Crystal Dynamics games were the Legacy of Kain games. Blood Omen 1,2, Soul Reaver 1,2, and last but by no means least Defiance.

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Are there SDK's available for this engine? Specifically the Deus Ex version?

Reply Good karma Bad karma+3 votes

Nope. If there was an SDK for DX:HR, it could be modded by the community and made into a good game - but you can thank Square Enix and Eidos for that.

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Latest tweets from @crystaldynamics

In the spirit of #TBT, check out this new @GamingHeads statue inspired by #CrystalDynamics' past!

Feb 23 2017

Learn more about our new studio on the blog!

Feb 17 2017

RT @SquareEnix: Up to 75% OFF during our @Steam_Games Weekend Sale on @DeusEx, @TombRaider, @Hitman, & @JustCause titles!…

Feb 16 2017

We’re thrilled with the response to The Avengers project trailer, but are surprised fans haven’t uncovered its hidden secrets… #Reassemble

Feb 9 2017

RT @joeyinsomd: This game is gorgeous in 4K. Wow @CrystalDynamics . Well done, was worth the wait for PS4 Pro. #PS4share

Feb 8 2017

We've moved! The new office includes a motion capture studio, additional meeting spaces, & more! Want to join team?

Feb 8 2017

⚡️ “Fans React to The Avengers Project Reveal”

Jan 31 2017

"...Marvel has enlisted the very best. They’re partnering with Square Enix, Eidos-Montreal, and Crystal Dynamics."…

Jan 30 2017


Jan 27 2017

⚡️ “The Avengers Project Reveal Recap” #Reassemble

Jan 26 2017

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