688 Attack Sub Cheats, Codes & Secrets

Last Updated on Sep 21, 2023

This page contains cheats, hints, Easter eggs, secrets, and tips for 688 Attack Sub. We will continually update this page when we come across more useful cheats and tips.

688 Attack Sub Cheats For Genesis

Stronger Weapons

If you beat the game 3 times without dying all of your weapons will become stronger.

Hidden Credit

To display a hidden credit in the game, while you are outside of the control room, pause the game, then hold A + B + C and press Up, Down, Left, Right on the D-pad. If you did this correctly, you'll see "Programmed by Ed Fletcher" at the bottom of the screen.

688 Attack Sub Game Genie Codes

The following cheat codes are for Game Genie. These can be used on a Sega Genesis with a Game Genie device or you can use these on any emulator that supports Game Genie Codes. If you want a Game Genie Device, you can always check on Amazon for one.

Cheat Effect	Cheat Code
All Subs Carry 5 Torpedoes	AYLT-CLE2 + AALT-CAE6 + REHT-A6ZY
All Subs Carry 5 Torpedoes, 5 Missiles, And 5 Noisemakers	AYLT-CLE2 + AYLT-CLE6 + REHT-A6ZY
All Subs Carry 10 Torpedoes, 10 Missiles, And 10 Noisemakers	BJLT-CYE2 + BJLT-CYE6 + REHT-A6ZY
All Subs Carry 15 Torpedoes, 15 Missiles, And 15 Noisemakers	B6LT-C8E2 + B6LT-C8E6 + REHT-A6ZY
All Subs Carry 25 Torpedoes, 25 Missiles, And 25 Noisemakers	DELT-DWE2 + DELT-DWE6 + REHT-A6ZY
Emergency Surface Maneuver Can Be Used 2 Times	AJHA-BT8L + HF9T-AJGL + AF9T-AAGN + 2THT-BGA4
Emergency Surface Maneuver Can Be Used 4 Times	ATHA-BT8L + HF9T-AJGL + AF9T-AAGN + 2THT-BGA4
Emergency Surface Maneuver Can Be Used 8 Times	BAHA-BT8L + HF9T-AJGL + AF9T-AAGN + 2THT-BGA4
Emergency Surface Maneuver Unlimited Uses	A39T-AA8L

Torpex ’89 Mission

These cheats will only affect the Torpex ’89 Mission.

Cheat Effect	Cheat Code
6 Torpedoes	AALT-CNE2 + AALT-CNGR
32 Torpedoes	AALT-CAN2 + AALT-CARR
16 Missiles	A2LT-DAE6 + A2LT-DAGW

Shake ‘Em Mission

These cheats will only affect the Shake ‘Em Mission.

Cheat Effect	Cheat Code
6 Torpedoes	AALT-CNE8 + A2LT-CAGY
32 Torpedoes	AALT-CAN8 + EALT-CAGY
16 Missiles	A2LT-DAFC

Sub Ops Mission

These cheats will only affect the Sub Ops Mission.

Cheat Effect	Cheat Code
6 Torpedoes	A2LT-CAG4
32 Torpedoes	EALT-CAG4

Mumar Cadaver Mission

These cheats will only affect the Mumar Cadaver Mission.

Cheat Effect	Cheat Code
6 Torpedoes	AALT-CNFE
32 Torpedoes	AALT-CAPE
16 Missiles	A2LT-DAFJ

Escape Mission

These cheats will only affect the Escape Mission.

Cheat Effect	Cheat Code
6 Torpedoes	AALT-CNFL + A2LT-CAHA
32 Torpedoes	AALT-CAPL + EALT-CAHA
16 Missiles	A2LT-DAFR

Goulash Mission

These cheats will only affect the Goulash Mission.

Cheat Effect	Cheat Code
6 Torpedoes	AALT-CNFT
32 Torpedoes	AALT-CAPT
16 Missiles	A2LT-DAFY

Cat Walk Mission

These cheats will only affect the Cat Walk Mission.

Cheat Effect	Cheat Code
6 Torpedoes	AALT-CNF0 + A2LT-CAHG
32 Torpedoes	AALT-CAP0 + EALT-CAHG
16 Missiles	A2LT-DAF4

Surprise Party Mission

These cheats will only affect the Surprise Party Mission.

Cheat Effect	Cheat Code
6 Torpedoes	AALT-CNF6 + A2LT-CAHN
32 Torpedoes	AALT-CAP6 + EALT-CAHN
16 Missiles	A2LT-DAGA

Homecoming Mission

These cheats will only affect the Homecoming Mission.

Cheat Effect	Cheat Code
6 Torpedoes	AALT-CNGC + A2LT-CAHW
32 Torpedoes	AALT-CARC + EALT-CAHW
16 Missiles	A2LT-DAGG

Hit And Run Mission

These cheats will only affect the Hit And Run Mission.

Cheat Effect	Cheat Code
6 Torpedoes	AALT-CNGJ
32 Torpedoes	AALT-CARJ
16 Missiles	CALT-CAGL

More Cheats: Genesis