Some basic tips for new players :
When the game begins it will ask you three questions and give you a title, really no need to worry in first playthrough anyway. (if you are not sure pick 1st, 1st, 2nd it gives rather good stat buff)
Like most card games, keeping the deck small and dont pick new cards after battle unless you really need it (stat upgrades are always welcome anyway)
When you are between Floors you can check your stat and cards
-Press Ctrl to show your deck, if you have that "forget flower" you can remove unwanted card
-Press Shift to show your title, unlockable titles will have light on it
-Press Alt to show items
If you want to quit the game just close the game anytime, it will restart at that floor.
You fight boss every 20 floors. If your stat is too low it is recommend to fight crimson (red) boss first because it will only hit you once and fu*k you until he cum, then you can one hit kill him with ball kick. Looks like blue and green boss will not use lewd attack on you.
Dont forget to click shift key after killing the boss to get all unlockable title