游戏说明：

游戏控制

1. Controls:
- use arrow keys to move the snake around the board
2. How to play:
- collect all fruits and bugs that show up on your way
- you have 3 lives for the entire game which consists of 3 rounds
- you will lose a life by colliding with an obstacle, an earthworm or your own tail
- your goal is to collect as many fruits and bugs as you can
- fruits and stars appear every few seconds in random places
- the snake moves faster with every round
3. Bonuses:
- special stars appear on the board randomly - collect them to get bonus points