Software Releases

These are the titles I have released or am in the process of releasing for both old and new systems.

Some are titles from my earlier released, for more platforms or completely new games for new platforms.

Releases currently cover the:

  • MSX
  • Original Spectravideo
  • Colecovision
  • Nintendo Entertainment System (NES)

Cavern Fighter is an unreleased game of mine from around 1986, I am in the process of completing the rest of the game and will be releasing it on cartridge for the Colecovision, MSX and original Spectravideo.

It is a take on the arcade game Scramble that I used to love playing when I was younger.

EA Classics is a combined single cartridge release of the 1st three of my games written completely in machine code that were released for the original Spectravideo and MSX machines in the mid-80's.

So far it is available for the Colecovision, but I will be releasing it for both the original Spectravideo and MSX computers in cartridge form shortly.

The Game On Expo Retro Gaming Championship cartridge for the Nintendo Entertainment System (NES) was developed for John Lester (Gamster81)'s new Retro Gaming expo in Arizona.

The cartridge contains three mini-games, with each person having to play through the games with a maximum time limit of 6 minutes and 21 seconds.

The mini-games included in the cartridge are:

  • Sydney Hunter & The Curse of The Mayans
  • Pedal to the Metal
  • Meteor Swarm

Meteor Swarm was one of the very first games I wrote in Z80 assembly language for the original Spectravideo.

Later I ported it to the MSX range of machines, both of these versions were released on cassette tape.

Whilst programming the Game On Expo Championship cartridge, I added a basic port of the game as the third mini-game.  It was ported as is i.e. did not really take advantage of any of the NES's particular features.

So I decided to make an enhanced version of the game, that better utilised the NES capabilities, some of the enhancements include:

  • two play modes: hyperspace or shield
  • more graduated difficulty level
  • enhanced use of colour
  • additional enemy with the exploding mine

This is an application written in C# .Net for home brew developers to create both Sprite and Tile Set designs for their home brew projects.

The sprite design section allows:

  • multi-layer pattern design
  • animation sequences
  • export to assembler and C formats
  • import data directly from existing source code

The tile set editor section allows:

  • characters can be designed in groups of four for larger objects
  • powerful colour editting and copying

I intend on adding more features in the future.

The application is free to use, but I have included a Donate button if anyone would like to contribute to the cost of the certificate.


Pyxidis is a vertically scrolling shoot em up game released for the original Spectravideo and MSX computers in 1985.

A release is planned on cartridge for the Colecovision, followed by re-releases for the original Spectravideo and MSX computers.

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