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Grim Dawn (w/ all DL)C, I was seeing some screen tearing in the upper 1/8 of the screen and the background seemed to stutter even though FPS was solid. The following changes were needed on my setup to resolve this. Posting here and on ProtonDB – Game Details for Grim Dawn in hopes this helps someone else.

Changed desktop from 60Ghz to 120Hz (monitor can do 144Hz)
Edit the games options.txt file at “~/.local/share/Steam/steamapps/compatdata/219990/pfx/drive_c/users/steamuser/Documents/My Games/Grim Dawn/Settings/“:

UPnPEnable = false
forceSingleProcessorMode = false
maxResourceThreads = 8

NOTE: maxResourceThreads should be equal to the number of cores (not threads) the CPU has; default is 1.

Steam Properties >
Launch Options: Play Grim Dawn (x64)
Advanced: RADV_PERFTEST=aco gamemoderun %command%

Compatibility > Force to Using GE-Proton7-55

NOTE: Many have reported random black screen issues unless using “RADV_PERFTEST=aco”

In game I have everything cranked up to max and all options in video turned on (including VSYNC) and Refresh set to 120Hz also.

I am posting this on my website, so it is quicker for me to find in the future. This list came from the /r/Minecraft on Reddit – https://www.reddit.com/r/Minecraft/comments/5ozcxh/keyboardmouse_shortcuts/

• F1 = Hide GUI
• F2 = Take Screenshot
• F3 = Debug Info (includes coordinates)
• F3 + Shift = Toggles Profiler
• F3 + A = Reload Chunks
• F3 + B = Shows Hitboxes
• F3 + C = Manual Crash
• F3 + D = Clear Chat History
• F3 + F = Increase Render Distance by 1
• F3 + F + Shift = Decrease Render Distance by 1
• F3 + G = Toggle Chunk Borders
• F3 + H = Advanced Item Tooltips (adds detail for most tools, ie the number of hits remaining on a pickaxe)
• F3 + N = Toggle Between Spectator & Creative Modes
• F3 + P = Toggles Game Pause (allows for Alt + Tab without having the menu appear)
• F3 + Q = Show All F3 Key Combinations
• F3 + S = Reload Sounds and Textures
• F3 + T = Reload all sounds, textures, models and other content that was added/changed by a resource pack
• F3 + Alt = Shows FPS Graph
• F5 = Toggle Camera View
• F8 = Toggle Smooth Camera
• F11 = Toggle Full Screen
• 1-9 Keys (not numpad) = Quick Move to/from Hotbar
• F = Switch Items Between Off Hand and Main Hand
• Q = Drop Single Item
• Q + Ctrl = Drop Entire Stack of Items
• T = Open Chat
• Left Shift = Sneak (allows you to get close to the edge of blocks without falling)
• Tab = Shows Player List, auto completes commands, usernames etc
• Ctrl (or double-tap W) = Sprint
• Middle-Click Mouse = Pick Block (will move block you click onto hotbar if it’s in your inventory in survival)
• Right-Click Mouse (on stack in inventory) = Grabs half of the stack
• Hold Right-Click Mouse (in crafting grid/inventory) = Distributes only one of the item held in each slot you mouse over
• Hold Left-Click Mouse (in crafting grid/inventory) = Evenly distributes the item held in each slot you mouse over
• Left-Click Mouse + Shift (in crafting table) = Crafts as many of item as possible
• Double Left-Click Mouse = Grabs all of one item (up to a full stack)
• Double Left-Click Mouse + Shift (while hovering over item) = Moves all of the same item from inventory to chest or vise versa)

When doing a “sudo pacman -Syyu” from the terminal on Manjaro (KDE) and you get something like “…signature from Mark Wagie is invalid…(invalid or corrupted package (PGP signature))” then you may need to run an update to import the latest Manjaro keys with the following command “sudo pacman-key –populate manjaro”

If you need to rollback the kernel version within Manjaro KDE, then on boot up tap the “SHIFT” button and you will get the grub menu. Select the Advanced option and then pick the kernel you want to boot to.

NOTE: This was helpful after accessing and interacting with file (rename, opening, etc) started getting laggy and would “pause” after going from Linux 6.1.22-1 (LTS) to Linux 6.2.9-1

Below are the basic steps:

1. In Steam use the “Add a Non-Steam Game to My Library…” to target the installer file (.exe).
2. Before launching the game, right-click on the game and select Properties.
3. Compatibility tab select “Force the use of a specific Steam Play compatibility tool” (doesn’t look like you can change this after the fact)
4. Close the Properties and run (Play) the installer. The game should fully install within Proton (D:OS2 DE had an error at the end, but still ended fine and runs).
5. Use the Properties menu again to set an icon (.png or ,tga) and name the game correctly (ie “Divinity – Original Sin 2 – Definitive Edition (GoG)”)
6. Enjoy!

EXTRAS:
If you need to access the “C” drive of the Proton install of this game the folder location will be in “~/.local/share/Steam/steamapps/compatdata/[appid]/pfx/”

• NOTE: If you need to put any save files inside of the Documents folder, then use the “steamuser” (ie “~/.local/share/Steam/steamapps/compatdata/[appid]/pfx/drive_c/users/steamuser/Documents/”)

If you need to load something else into the games prefix (ie DLC, Patch, etc.) then you can do the following:

1. In Steam use the “Add a Non-Steam Game to My Library…” to target the installer file.
2. Before launching the game, right-click on the game and select Properties.
3. Compatibility tab select “Force the use of a specific Steam Play compatibility tool” (doesn’t look like you can change this after the fact)
4. Close the properties
5. Open Properties again and this time add the following to the “LAUNCH OPTIONS” field: STEAM_COMPAT_DATA_PATH=”~/.local/share/Steam/steamapps/compatdata/[appid]” %command%”
6. Close Properties (mine wouldn’t close, but I could still click the Play button and the DLC installer I was running worked fine)
7. Remove the install from your Steam Game Library list

NOTE: This was on Manjaro KDE running the latest version of Steam. I would expect it to be mostly/exactly the same on other distros.