Game Genie Code

Silent Service

Cheats, Secrets, Tips & Tricks

False Sinking
Press A + B to release oil and debris to the surface to falsely indicate to destroyers that your submarine has sunk. (This may only be done once per mission.)

Game Genie Codes

The following are known Game Genie Codes for Silent Service on Nintendo Entertainment System (NES).
  • Start With 50 Deck Gun Shells
    ZLEPOIAI
  • Start With 99 Deck Gun Shells
    LTEPOIAI
  • Infinite Deck Gun Shells
    SZXVOPVG
  • Infinite Bow Torpedoes
    SZSVUPVG
  • Infinite Aft Torpedoes
    SXETUPVG
  • Increases Max Submerged Speed From 10 To 29
    YXVPUYGP
  • Increases Max Surfaced Speed From 20 To 50
    GUSOXNTO
  • Infinite Battery Power
    SZSPKLVG
  • Don’t Sink From Depth Charges (Your Sub Can Still Be Damaged, But You Won’t Sink)
    SXOPUGSA
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