Finished level 24 I have always the problem with the code for level 25 wrong (it's for level 24):
On Level 25 there are few arrows (even saving a lot from shoot to some stone, or discovering some hidden arrows), so I cannot shoot enemies to fill the energy for the key:
All codes now work, there is only an issue on Level 27, it can't be finished because there aren't enough meal to get a key. I obviously killed all the enemy present in the level: