New artwork for Steam + bug fix

Nightmare Shift Playtest

[img]https://clan.cloudflare.steamstatic.com/images/45225949/5f44e845b5ccbdfa3062a718d65e61f67650284a.png[/img] We have now a new artwork for Steam which is drawn by a real artist, with no AI used in the process. Bug fix: - you can't enter the fence anymore now.