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UPDATED, See the bottom!

That's not an error, The Witcher 2: Assassins of Kings Enhanced Edition is now out for SteamOS/Linux and I am downloading it as I type this. This is truly a knock-out year for Linux gamers and it's only May!

Warning: Radeon graphics cards are not supported, Intel integrated graphics chipsets are also not supported. This commenter points out why. Interesting to see AMD fix their drivers so quickly, I hope more bigger games come out forcing all graphics vendors to improve.

One thing I mentioned before is the coming of "SteamOS" rather than Linux, it is becoming more frequent quickly and I am actually okay with that. Linux has been a scary word for developers for too long, but no more!

There have been hints at this happening for months and I am extremely pleased to see it turn out well for us.

Be warned it's a hefty 15.8GB download, so prepare for a wee bit of a wait. Grab a beer a relax while watching that download bar, or just play something else...

About

The player is Geralt of Rivia, a professional monster slayer, a witcher. Entangled in the political turmoil that engulfed Temeria, Geralt helped quell the rebellion of the Order of the Flaming Rose. Soon after, he saved King Foltest’s life when the monarch was attacked by a witcher-like assassin. He continues to protect the king, serving as his bodyguard as Foltest strives to bring peace to his kingdom. The Order’s last bastions have yielded to the royal army, yet one more task remains - the Baroness La Valette announced her secession from the realm, and her fortress must be taken. A month after the attempted assassination, Foltest’s armies stand at the gates of La Valette Castle, preparing for a final assault. Still at Foltest’s side, Geralt is among them, unable to begin his personal quest to discover the mysterious assassin’s origin and identity…
Thanks to the new, ultra-modern REDengine, The Witcher 2: Assassins of Kings features both beautiful graphics and sophisticated in-game mechanics, drawing players into the most lively and believable world ever created in a video game.
Defining new standards for realistic, non-linear game narration, The Witcher 2 spins a mature, thought-provoking tale to produce one of the most complex and unique RPGs ever released on consoles. In addition to its epic story, the game features a complex combat system that uniquely combines dynamic action and tactical depth.

The great thing is that it's also 80% off to celebrate! Get it on Steam now, seriously go get it right now.

Check out the trailer if you haven't seen it before:

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For those who own a boxed copy of it, with GOG.com supporting Linux this year I suggest you go here and reedem your backup copy on GOG. While you won't get a Linux copy yet I imagine in future you would.

You can also thank the developers directly on their official forums post on it.

UPDATE
It's no wonder people are experiencing poor performance issues, it looks like it uses a wrapper called "eON" from Virtual Programming who did the Mac port. This porting technology is new to Linux, so perfect performance isn't going to happen right away.

Personally I am displeased by this as the performance on the lowest setting for me isn't great and my rig is pretty damned powerful. I am actually glad I didn't pay full price as it's unplayable. I don't mean to be too harsh about it (I don't like to sugar coat things either), but when there's so many people claiming the same thing then something is up, but this "eON" tech is new to Linux, so there's always room for improvement.

If you scan around the files, you will note these:
eONprecompiledShaders32.dat
witcher2.vpfs
VPFS_registry.vpfsdb

Pretty obvious it uses their eON tech. It wouldn't be so bad if it didn't run so terribly, I've said before that I am glad our purchases count for Linux rather than Windows, but for newer games it just doesn't feel right somehow.

What do you think to this information?

UPDATE 2
A developer from the porting house who worked on this has done a few posts in the Steam forum topic on it. You can see one such post here, there's also a funny one here where the developer is sadly making rather uninformed statments:

jaycee1980Remember the binary Nvidia and AMD Catalyst drivers only tend to support newer hardware.


I wish developers would research a little more before saying such things, as it doesn't do their reputation any-good.

Both teams need to do some damage control I think and get down to fixing issues ASAP. Two things to check is if Vertical Sync and UberSamping are both off as both are known to cause problems, but sadly for me I still cannot play on the lowest possible settings.

Not the best of launches.

Article taken from GamingOnLinux.com.
Tags: Action, RPG, Steam
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170 comments
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Pinguino May 22, 2014
On the "SteamOS rather than Linux" front, Steam Big Picture now shows a round steam icon instead of the Tux icon to represent OS compatibility.
Liam Dawe May 22, 2014
Seems it's not actually a native app guys. The porting looks like it was done by http://www.vpltd.com/services/ who use "eON" which is a wrapper since they don't need source code access.

Looks like it wraps windows files into a Linux native binary somehow. A bit different to wine, probably somewhere in-between wine and Valve's "togl" library.
Yulian May 22, 2014
A note about ADM cards.

The game starts and runs well with 280x on Mint 16 and 14.4 Catalyst driver. I played for about 20 min, so i don't know if there are any other problems with the driver.
Guest May 22, 2014
Quoting: liamdaweSeems it's not actually a native app guys. The porting looks like it was done by http://www.vpltd.com/services/ who use "eON" which is a wrapper since they don't need source code access.

Looks like it wraps windows files into a Linux native binary somehow. A bit different to wine, probably somewhere in-between wine and Valve's "togl" library.

Hmm, then I guess I'll still buy it and make a comparison between the eON stuff and CrossOver. Bummer though.
Caldazar May 22, 2014
This is just awesome news. Quite impressive from CD Project Red.

Well GOG ehm, this is a bit awkward now. But I'm sure your installer and Linux experience will be just awesome.
feketenap May 22, 2014
The keyboard settings are empty by default. If I 'restore to defaults' it sets the keys, but they don't work in-game. My character doesn't move but the menus work well with my keyboard. Anybody else have this problem?

Pinguino May 22, 2014
Quoting: liamdaweSeems it's not actually a native app guys. The porting looks like it was done by http://www.vpltd.com/services/ who use "eON" which is a wrapper since they don't need source code access.

Looks like it wraps windows files into a Linux native binary somehow. A bit different to wine, probably somewhere in-between wine and Valve's "togl" library.

I agree this is a bit disheartening and actually feels a little bit like cheating, but at least it's going to count as Lin... sorry, SteamOS usage, whereas running through Wine or PlayOnLinux would count as Windows usage, right?
Liam Dawe May 22, 2014
Quoting: wleoncio
Quoting: liamdaweSeems it's not actually a native app guys. The porting looks like it was done by http://www.vpltd.com/services/ who use "eON" which is a wrapper since they don't need source code access.

Looks like it wraps windows files into a Linux native binary somehow. A bit different to wine, probably somewhere in-between wine and Valve's "togl" library.
I agree this is a bit disheartening and actually feels a little bit like cheating, but at least it's going to count as Lin... sorry, SteamOS usage, whereas running through Wine or PlayOnLinux would count as Windows usage, right?

Pretty much.
Shmerl May 22, 2014
Yes, it was expected that the port will be done by the Virtual Programming. It was a low hanging fruit for CD Projekt Red. I'm not familiar with eON framework however. Does it have a bad reputation in general? Is Wine's D3D -> OpenGL translation better performing?

On the bright side, I doubt eON can support D3D11, so if CDPR will get to porting Witcher 3, they'll have to make a proper OpenGL 4.x port of their engine first.
killx_den May 22, 2014
Quoting: feketenapThe keyboard settings are empty by default. If I 'restore to defaults' it sets the keys, but they don't work in-game. My character doesn't move but the menus work well with my keyboard. Anybody else have this problem?


Hope this helps :)

http://steamcommunity.com/app/20920/discussions/0/522728086937828976/#c522728086953857443
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