Doom Eternal

Doom Eternal is the latest evolution of the grand-daddy of first-person shooters. Its "push forward combat" approach to gameplay throws a barrage of enemies, explosions, and pixels on the screen all at once which the Steam Deck handles with aplomb!  Thanks to some impressive hardware packed into the (relatively) tiny Steam Deck, as well as amazing optimization on the part of ID Software, the Deck handles this intense shooter with ease.  

Doom Eternal Performance

Right out of the box, Doom Eternal fires on all cylinders at a solid 60fps but at the expense of some higher temps (up to 89*C in my initial testing) and higher power consumption (23-24W, giving about 1.5 hours of battery life).  A little fine tuning of settings and limiting TDP gives you options for either high quality graphics with 60fps 95% of the time (Quality Build) or lower graphical settings but at a rock solid 60fps (Performance Build). I personally preferred the performance build as a consistent 60fps helped the feel of the action in Doom Eternal and lowering the graphics as noted in the performance build did not make the game visibly unpleasant at all. 

The really good news is that you can achieve both of these with greatly reduced temps and significantly more battery life. The quality build played at 50fps most of the time with minor dips to 48-49 fps for a split second. Without the Steam overlay, I don't think I would have noticed these moments, but they were most present when the screen got extremely hectic (mostly during glory kills which don't require player control in the moment). The performance build gave a rock solid 60fps, but with noticeable aliasing on some elements, like the targeting reticle, that took a while to get used to. This required lowering the resolution, turning on FSR, and adjusting the graphics settings as noted in the performance build.  The builds kept the GPU temps down to 73*C on quality and 68 for performance, while CPU temps were 75c for quality and 70c for performance.

The battery build, while does save some battery and temps, makes the game’s text very hard to read. It gets around 65c for GPU while CPU hovers around 68c-70c. FSR saves the day at the resolution used for this build, but the quality downgrade doesn’t really justify the battery that can be saved from this setup.

When using the quality build I played with motion blur on. Yes, motion blur - wait, put down your pitchforks, let me explain. Yes, I know motion blur is regarded as horrible, but with the help of DRS, it becomes much less horrible and adds to the quality of the game in the performance build. Basically, Dynamic Resolution Scaling (DRS) will adjust the game’s resolution as needed, often lowering it temporarily, in order to try and maintain a higher framerate at the expense of blurring the image some. Since motion blur seemed to be implemented on a per object basis. This made the DRS’s downscaling much less noticeable while still keeping the frame rate and temperature gains.. Turning off motion blur didn't dramatically increase stability or allow for major graphical setting changes, and even in the quality build, it added to the experience. This could be a Doom only setting, and I understand why motion blur is hated, but I feel it really helps this game shine.

Custom Controls

Interestingly enough, one of the greatest pleasures running Doom Eternal on the Steam Deck was the ability to fully remap the buttons (an option available in the Doom Eternal setting as well, but greatly expanded with Steam). I used the back buttons for jumping, dashing, grenade switching, and flame belch which let me keep my fingers on the joysticks at all times and I enjoyed some fine-tuned gyro aiming with the capacitive right joystick.  I also set up the right track pad as a radial dial, giving each one of Doom Eternal's weapons its own spot for quick switching with a rapid light tap that just isn't possible with other console controllers. You can go even deeper down the customization rabbit hole by adding double tap weapon switching and action sets with controller chords to switch weapons even faster. It can take a little while to wrap your head (and hands) around it, but there is a very deep level of controller customization possible. I would definitely say weapon hot swapping and animation cancels are mandatory at higher difficulty levels. The controller scheme can be found in the Community Layouts and is called "Doc Jones SDHQ".

Conclusion

As a friend said to me when I talked about playing Doom Eternal on the Steam Deck: "That thing is so well optimized it could run on a toaster."  He may be right, but it doesn't short-change the Deck's impressive hardware. The ability to customize the button layout even more via Steam allowed me to create a layout that was much closer to keyboard and mouse precision.  There were also no game breaking or distracting graphical bugs/glitches that I noticed as I played through the main campaign and horde mode (which includes enemies from The Old Gods expansion). I ran a few multiplayer deathmatches and they ran very well with these settings. From all of my testing, I can easily say Doom Eternal is amazing and playing on Deck will be well worth your time.

Our review is based on the PC version of this game.

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