Air Fortress (FDS)

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Air Fortress
Platform: FDS
Year: 1987
Developer: HAL Laboratory
This page is for the unreleased Famicom Disk System version. For the NES and Famicom versions, see Air Fortress (NES).

Air Fortress is a sci-fi action game developed and published by HAL Laboratory. The game appears to have started life on the Famicom Disk System, before getting released on the NES and Famicom in 1987. It is unclear why the game wasn't released on the Disk System, but it may be due to the fact that after the Disk System's release, developers started to get less and less dependent on it.

In the game, you play as Hal Bailman. A set of Air Fortresses are threatening the planet of Farmel. It is up to Hal to penetrate into all of the Air Fortresses, destroy the core, and get out as soon as possible.

The Famicom Disk System version that has been dumped is an incomplete game, so there's not much to it.


Air Fortress - FDS - Title Screen.png

The title screen.

Air Fortress - FDS - Prologue.png

A very interesting prologue.

Air Fortress - FDS - Air Fortress Interior.png

Inside the Air Fortress.


The Famicom Disk System version features only two songs; a title theme, and the song for the Air Fortress interior. While the latter was used in the final game, the title theme is unique, and the released versions use a completely new theme. Both songs take advantage of the Disk System's RP2C33 for an extra wavetable channel. Hideki Kanazashi used it for the bassline and used the squares and triangle channels to make use of harmonies.

According to various Disk System games by HAL, Hideki used Music Maker, so he most likely used the same software for this game.


# Title Composer Length Listen Download
01 Title Screen / Prologue Hideki Kanazashi 2:26
02 Air Fortress Interior Hideki Kanazashi 2:01


(Sources: USA, Japan)

The Disk System version is incomplete, and therefore has no credits. However, the released version credits Hideki Kanazashi under a couple different monikers.

Game Rip




Ripping NES music is an arduous process that is beyond the scope of this site. The music was recorded in the Synthesia Mod of NSFPlay.


  Japan.svg   Japan
Title: 空中要塞 (Air Fortress)
Platform: Famicom
Released: Unreleased
Publisher: HAL Laboratory