The escapee from Sokoban

After escaping from Sokoban, our main character gets attacked by zombies. Fortunately, they find a submachine gun with infinite bullets. How long can they survive? Controls: Mouse only. Move your mouse around to move/aim towards a spot. When you die, your score is revealed. What is this? This game was made for #TweetTweetJam 3, the goal was to make a game with code that fits in 2 tweets (560 characters.) Here is the GMS2 code below (run this in the draw event of an object that you place at the topleft corner of the game): if x==0 {f=99 t=f s=0 g=f*f u=f v=10 repeat f {y+=1 i[y]=-9 j[y]=-9 k[y]...