I think setting up gyro in that case would work better than the touch screen. That's how I played through Maro Galaxy back in the day using the Steam Controller and having gyro only activate when I touched the right pad so it wasn't always going crazy.

I've been playing Diablo IV too. First non Steam game I tried on the Deck, and how well it works blows my mind. Used decky to put in custom artwork too so it fits right in with the rest of my games.

I've been playing around with a set up where I use the right touchpad to enter mouse mode and click to attack for times I need to aim. But, rest of the inputs are gamepad. What I'd like to do is have it so when I touch the right pad it modeshifts the right trigger into a left mouse click too. Could do same with action layers, but I'm hoping for a more straight forward and less problematic modeshift option.

I've used the Steam Controllers for many years and use dual touchpads for movement and camera. Here's me playing Doom Eternal, Anger Foot, and a video on why I prefer touchpads to joysticks.

But, despite that I'm not a big of a fan of the ones on the Steam Deck. The placement is not that comfortable. There are 3D printed grips though that I would like to try out that would let me hold the Deck so it is more like holding the Steam Controller with the touchpads. Until then a majority of my gameplay is done with the joysticks in contrast to on the desktop where it is with touchpads.

I am really glad the touchpads are present so that it's not an input Valve has abandoned, but the placement and ergonomics is really disappointing me. I'd be playing lot of FPS games on the Deck if the touchpad experience were more on par with the Steam Controller.

Always be moving/dodging, do glory kills for health, chainsaw for ammo, and most importantly master the Quick Switch technique. This person has a great guide on it. It's basically where you switch weapons after every shot so you don't have to reload and you output damage really fast even on the hardest difficulty.

Given that you are on a controller you can just swap between 3 weapons and still delete enemies. Like here is my play through with my steam controller where I pretty much spammed super shotgun, ballista, and rocket launcher to get through the game on nightmare. There was an update pushed that lets controller uses bind weapons to any button, so set weapons to quick switch with that over relying on the weapon wheel which breaks momentum.

My approach is to have the sensitivity high enough that I aim entirely with the gyro and use the touchpad for twitchy fast turns. I have a hard time aiming if I have to move too much. Don't really play gyro games on the Deck, but with a standalone controller I go with 180 sensitivity on a full edge to edge swipe of the touchpad, and have the gyro set so a 90 degree rotation of the controller results in an in game rotation of 675 degrees for first person or 450 degrees for third person. This video might make it make more sense visually. This makes it so I get a consistent gyro experience I like across different games.

Also check out communities gyrogaming and steaminput

https://lemmy.world/c/gyrogaming

https://lemmy.world/c/steaminput