assuming you're fine with having the game in your Downloads folder:
- download the linux version
- extract the file (I believe dolphin has an option to extract .rar files in the right click menu)
- open a terminal
- type and run [cd Downloads/Tales\ Of\ Androgyny\ Linux/] or [cd ~/Downloads/Tales\ Of\ Androgyny\ Linux/]
- type and run [chmod +x TalesOfAndrogyny] (you can probably press Tab after having typed out the "Ta" part of the name, this'll save you some typing in the future if you continue starting it from the terminal)
- it should now be ready to run, to boot the game type [./TalesOfAndrogyny] while your working directory (the last bit before the $ in the command prompt) is "Tales Of Androgyny Linux"
this is my guess, I might be wrong seeing as I have barely any experience with KDE and arch