688 Attack Sub/Hidden content
From Sega Retro
- Back to: 688 Attack Sub.
Hidden developer credit
Pause the game on any screen that displays two status bars at the bottom (not the screen selection cockpit area), then hold 
+
+
and quickly press 
.
References
| 688 Attack Sub | |
|---|---|
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Main page | Comparisons | Hidden content | Magazine articles | Reception | Region coding | Technical information | Bootlegs | |
