The four and a half minute curse

You only see a green screen? Press enter! Game wont start in the browser? You can download it here: Download! Your village has been cursed and all the villagers have been turned into monsters who are now attacking the castle. Go into the dungeon, collect the antidote and throw it at the monsters before they reach the castle. But watch out! You have been cursed too and every step you take will leave a dangerous hole in the ground. Can you survive four and a half minutes to break the curse? Collec...