We have 1 cheats and tips on Arcade. If you have any cheats or tips for SDI - Strategic Defense Initiative please send them in here. You can also ask your question on our SDI - Strategic Defense Initiative Questions & Answers page.
Insert your coin and press Up(2), Down, Right, Down, Left, Down(2) on Player 1's control. Then on Player 2's control press Shoot(3), Start. The Satellite character will change to Flicky at the starting of level 2.