==CODES==

-Cheat Codes-
+------------------------+--------------------------------------------------------------------+
| Effect                 | Code                                                               |
+------------------------+--------------------------------------------------------------------+
| Arcade Mode            | First, set your options. Then at the Sega logo, hold A+C and hit   |
|                        | Start on Pad two. In done correctly, you'll hear ''Get Ready&a     |
| Automatic Firing       | Hold A + B on controller 2 and press START on Controller 1.        |
| Continue               | Press Left, Left, Left, B, B, B, C, C, C, and Start at the title   |
|                        | screen.                                                            |
| Level Select           | To select and level up to level 21, press and hold A, B and C and  |
|                        | press Start twice. Use the control pad to choose which level       |
| Reverse Plane Controls | Hold A+B on controller 2, while pressing START on controller 1.    |
+------------------------+--------------------------------------------------------------------+

-Extra Missiles-
To get extra missiles, press the following while refueling:
+----------+-------+
| Effect   | Code  |
+----------+-------+
| Level 11 | Right |
| Level 13 | Left  |
| Level 16 | Left  |
| Level 19 | Up    |
| Level 21 | Right |
| Level 3  | Left  |
| Level 5  | Right |
| Level 9  | Up    |
+----------+-------+