*Edited by morden to removed fixed issues*
-Cursor appears behind inventory
-You can jump while stuck on the wall-You can jump then perform beserker charge in mid-air
-You can jump and cast spells
-You can launch spells overtop of the walls
-You can pick up both flags
-The flags turn in accordance with your cursor
-You can pick up objects from an infinite distance?

?? - * Pretty sure this isn't true
-Picking up items with your inventory open doesn't update the inventory screen until you close and re-open it. The potion quick slot refreshes though.
-Once you go above 10 potions things mess up. The potions in my inventory sometimes:
-disappear completely, and start back at one (randomly occurs after picking potions after 10, so I could be picking up 5 after the first stack, then it disappears, then pick up 4, disappears, etc)
-Start another stack once a stack of 10 has been made
-Quick potion slots goes over 9
-You can get stuck on the lights on the wall
-You can jump on the bottom platform of the mana obelisks-Some mana obelisks are missing the bottom platform-You can jump and land on the window sills-Flags don't show up in inventory
you can't drop items
-You can perform beserker charge with the flag