SigHunter

Transition takes time

can you work around this by copy/pasting maybe all 25 characters at once or maybe each segment at a time?

• alternative: install somewhere else (windows pc or VM) and copy the install dir contents and registry
• alternative 2: get the steam version, I just tried it with proton experimental and it seems to work fine.

edit: steam lets me choose the base game, war chiefs or asian dynasties, AD and WC work without a problem but the base game asks for a key and I can also just input 4 characters instead of 5. but I'd always play with all expansions

I think your panel freezing is https://bugs.kde.org/show_bug.cgi?id=469016 and I got rid of it by disabling window previews

Simple Keyboard

Not sure if one of those is native but they run like native: Played a lot of transport fever, soldat 2, some csgo and northgard via steam recently and it's like on windows

Kscreenlocker because it came as default and I made it look identical to sddm

well, you can't keep every weird american racist issue in mind, there are too many