No internet site has helped with this. Why is this the only game that can't go full screen?

Introducing 11 new multiplayer and scenario terrains + All in 1 for Tzar: Burden of the Crown. Download the pack, unzip the "IMAGES" or "Packs" folder and place it in your Tzar game folder (..\Steam\steamapps\common\Tzar). All terrains will appear in multiplayer and random map game menu, as well as in the map editor. Download links to terrains and their images: ModDB , [url=https://www.nexusmods.com/tzarburdenofthecrown/mods...

damn i have windows 11 n the screen is small... looking into a current fix.

Hi, I am on windows 11, game is staring but it only opens very small. Any suggestions how can I fix that?

This isn't playable for me, I don't get a full screen, just a small square in the centre, and some buttons aren't even visible, how do I make this full screen? I don't care about 1920, but I get a square that must be 800x600 or something...