Sub-Attack

Controls should be easy to figure out. Move your ship around dropping depth charges to try and take out the subs below you. Dodge torsmurfes whenever possible, as each torsmurf takes away one life. For every 20 subs you kill, you gain a level. Every second level gets you another life. Each sub increases your score by one, and every sub you let get to the opposite end of the screen decreases your score by 2. It gets progressively harder as the levels increase, notably: at level 3 the subs start spawning from either left or right side (randomly). at level 6 the subs increase their speed. at level 9 the subs increase their speed