Actually, you may want to put some points into life in order to have a constant soul income.
I added 240 points in life, which makes the people live a bit more than a day so I can keep my population increase slightly over time thanks to the houses.
Passage is quite easy compared to many other levels since you got the trick...
- You'll need only 2 arrows : UP and RIGHT
- At the beginning, let the snake go to the right. Then, a few squares before the edge, move to the upper line by tapping rapidly UP-RIGHT...
- Repeat this every time, so you'll sweep the whole screen without taking the risk of crashing into yourself...
To kill the magic rabbit, shoot the fireballs. They will be sent back to the rabbit and desactive his shield for a moment. Then, you can shoot the rabbit until he recovers it.
Repeat this as much tiles as necessary