With locale and fonts set correctly, gameplay appears to function normally. Fullscreen mode works as well.
What does not
Font choice can affect whether kanji only appear as entity references. I suspect that this may be a Wine problem.
What was not tested
Any gameplay beyond the opening monologue.
|Operating system||Test date||Wine version||Installs?||Runs?||Used|
|Show||Ubuntu 16.04 "Xenial" amd64 (+ variants like Kubuntu)||Feb 16 2018||3.0||Yes||Yes||No||Platinum||Darkness|
|Current||Ubuntu 9.10 "Karmic" amd64 (+ variants like Kubuntu)||Aug 29 2010||1.2||Yes||Yes||Gold||drinian|