Knights of the Old Republic Part 1 on Linux with Steam Play / Proton (Quick 'n Dirty Guide)

Step 1: Enable Steam Play for all titles in your game library.

Click on Steam in the upper left corner of the Steam window and click Settings. Click on Steam Play at the bottom of the list on the left side of the window that pops up and enable Steam Play by default like so:

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Step 2: Fix the default KOTOR configuration settings

Open up your favourite terminal and edit the KOTOR configuration file like so:

or like so:
Then scroll down to the graphics section of the file and add or edit the lines there like so: ---
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Pay extra attention to the lines:

and:

The first of which determine the window size and the latter of which allow the game to start properly.

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Step 3: Disable Steam Overlay

Although not strictly necessary - I have noticed that the game becomes considerably more stable after disabling the Steam Overlay in game.

To do this navigate to KOTOR in your library, right-click and select properties. Then uncheck "Enable the Steam Overlay while in-game" like so:

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That should do the trick, allowing you to play KOTOR 1 on Linux :)

Note 1: As the game hasn't been updated, it is a 4:3 ratio game - not 16:9 or 16:10

Note 2: It is possible to press Alt+Enter to enter full screen, although effects may vary depending on your setup. The game may run nicely full screen, but may also appear shifted up or down or have mouse control shifted in a weird way. I recommend playing it in Window mode. (This also comes in handy with when playing with a walk-through).

Enjoy :)

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End Result (@ 1024x768 (higher is possible)

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