Eat apples to complete the level and get bullets
Mouse, WSAD or arrow keys - move"
Mouse, Ctrl or Space - shoot"
P - (un)Pause, M - (un)Mute, Q - Game over (menu)
More enemies at the field - more points you get for apples
X - force enemy out, costs 1 bullet X works only if a current apple isn't the last one
For every 1000 points you get a bonus life
You can hit walls
You can go through the house
You can kill the enemy in the house
You can destroy the house
Points for APPLE = level * enemies on the field
Points for HOUSE = level * enemies in the house
Points for ENEMY = level
