Controls
Up= move up
Down=move down
Right=move right
Left= move left
Space= fire
Click the arrows in a circle in the top right corner is to re-start the game
Click the right arrow in the top right corner is to go to next level (it appears rarely)
Click the left arrow in the top right corner is to go to previous level
Left click the upgrade button in the bottom box to level up to level 2
Scroll up to upgrade button in the bottom box to level up to level 3
Right click the upgrade button in the bottom box to level up to level 4
Level 1 bullet = -20 health (for the bad guy)
Level 2 laser = -50 health (for the bad guy)
Level 3 missile = -100 health (for the bad guy)
Level 4 beam = -300 health (for the bad guy)

Tags: space, tactics, tactics

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