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N-Sub - Sega SG-1000

SG-1000 gamepad:

SG-1000 gamepad

Gamepad control:


Start/Reset Enter
button A X
button B Z


This game is emulated by Ja­va­Script e­mu­la­tor NeptunJS. To play this game, you need to e­na­ble JavaScript on your PC.

Other platforms:

Unfortunately, this game is cur­rent­ly available only in this ver­si­on. Be patient :-)

Game info:
N-Sub - box cover
box cover
Game title: N-Sub
Console: Sega Computer Videogame SG-1000
Author (released): Sega, Compile (1980)
Genre: Action, Shooter Mode: Single-player
Game manual: manual.pdf

File size:

13105 kB

Game size:

8 kB
Recommended emulator: KEGA Fusion

From Wikipedia, the free encyclopedia:

   N-Sub is a 1980 arcade game developed and published by Sega. N-Sub was later ported by Sega as a launch game for the SG-1000 in 1983.The object of the game is to maneuver an on-screen submarine, the 'N-Sub,' with the joystick and sink the enemy fleet with torpedo fire in the Cobalt Blue Sea. The player can fire torpedoes vertically and horizontally from their submarines by pressing two separate 'FIRE' buttons. The player can hold the button longer to fire three torpedoes in rapid succession. Enemy ships attack the N-Sub with missiles, torpedoes and depth charges. A round of gameplay ends when the player defeats a wave of twelve enemy ships. Successive rounds increase in difficulty. The player has multiple lives, or chances to continue after being hit by an enemy ship, and can receive more lives by reaching high scores. The game ends when the player exhausts their lives.

More details about this game can be found on

For fans and collectors:
Find this game on video server or
Buy original game or SG-1000 console at, or

The newest version of this game can be purchased on, or

Videogame Console:

This ver­sion of N-Sub was de­sig­ned for the Se­ga SG-1000, which was first 8-bit Se­ga vi­deo ga­me con­so­le ma­nu­fac­tu­red in the years 1983 - 1985. It was laun­ched on the sa­me day as much mo­re suc­ces­s­ful NES con­so­le and with ex­cep­ti­ons, it was sold on­ly in Ja­pan. The u­nit pri­ce of SG-1000 was 15,000 yen, the sa­me pri­ce as for NES. Con­so­le was not very suc­ces­s­ful and af­ter 2 years was with­drawn from the mar­ket. Mo­re in­for­ma­ti­on about Se­ga SG-1000 can be found here.

Recommended Game Controllers:

You can control this game easily by using the keyboard of your PC (see the table next to the game). However, for maximum gaming enjoyment, we strongly recommend using a USB gamepad that you simply plug into the USB port of your computer. If you do not have a gamepad, buy a suitable USB controller in Amazon or in some of your favorite online stores.

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