After Burner II for Mega Drive was released in March 20, 1990 in Japan.
[JP] Apr. 25, 1991 - BEEP! Mega Drive Best Selection [Mega Drive Version] [PSCX-1018]
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.
To get extra missiles, press the following while refueling:
Level 11: Right
Level 13: Left
Level 16: Left
Level 19: Up
Level 21: Right
Level 3: Left
Level 5: Right
Level 9: Up
See Goodies section.