Got up to floor 7 in Arcade mode -
Happily I saw that there's another chest just before the boss.
Ready to embrace it's treasure I stepped into the room...
And it kicked me out again right away! What a nasty chest
Luckily, I could walk through the remaining third of the door
But the chest-location-creation-algorithm-thingie could do with an overhaul someday, don't you think?
Keep up the great work