Xentax has created various software. Here’s an overview from the Commodore 64 scene days to present day.

The page is under construction. More stuff will be added in time.

Commodore 64
This software is presented on a number of C64 disks (D64 format). Most of this early stuff is lame.
You can run the software using an emulator such as WinVICE. You can also browse CSDb.

  • Disk: Unidentified Software Busters (USB) pre-Xentax
    • Introduction/USB (1989)
      Picture drawn by Mr.Mouse, presented in some intro designer.
    • The Anti Demo/USB (1989)
      Picture drawn by Mr.Mouse, an anti-JBS demo (some lamer from the Dutch city of Utrecht)
    • U.S.B. Demo II (1988)
      A blatant hack of an original Radwar intro, hack by Mr.Mouse, text by Mr.Ammo
    • U.S.B. Demo (1988)
      A blatant hack of Barry Leitch’s Extra Long Mindsmear. Text and hack by Mr.Mouse. In our defence, Barry, we really loved the music.
    • Carpainting (1989)
      A picture of a painting of a car. By Mr.Mouse
    • Introduction II (1989)
      A picture by Mr.Mouse
    • Lincoln Piccy (1989)
      A graphic composition by Mr.Ammo using a picture of Lincoln by Art. Text by Mr.Ammo.
    • JBS Intropiccy (1989)
      A picture for JBS to use as an intro. Picture by Mr.Mouse
  • Disk: USB and early Xentax software
    • Slimey Sample (1990)
      A total hack of the game code for Slimey’s Mine to just present the digitized sounds of the game. By Mr.Mouse.
    • Commando music (1989)
      By USB. Used some intro designer for the intro that leads to ripped high score music from the game Commando by Rob Hubbard. Intro text, linking and rip by Mr.Mouse.
    • I&D Music I (1990)
      A collection of ripped tunes from intro’s and demo’s. Rip and text by Mr.Mouse. Quote: “These musics really turn me on!!”
    • Music Mix I (1989)
      By USB. A collection of different settings and music that came with some introdesigner. Collection by Mr.Ammo.
    • Music Mix II (1989)
      By USB. A collection of different settings and music that came with some introdesigner. Collection by Mr.Ammo.
  • Disk: Xentax Slideshow 2 (1990)
    A slideshow with screenshots taken from various title screen and in-game moments, original creations and pornmovies. Main graphics by Mr.Ammo, lousy hackcoding by Mr.Mouse and music ripped, that freezes when loading the next picture. Oh Jolly.
  • Disk: Xentax Slideshow 3 (1990)
    A slideshow with screenshots taken from various title screen and in-game moments. Intro, logo, screens and code by Mr.Mouse.
  • Disk: (1990)
    A collection of Xentax demo’s and letters. Title picture drawn by Mr.Mouse. The collection contains:
    • Logomusic (1989)
      A Xentax logo drawn by Mr.Mouse accompanied by Rob Hubbard’s Commando title music.
    • Commando music (1989)
      Just the Commando title music. Ripped by Mr.Mouse.
    • Just a demo (1990)
      A simple demo created with some Demomaker. By Mr.Mouse.
    • Italy 1990 Picture (1990)
      A picture drawn by Mr.Ammo, preceded by another one by him. Mr.Mouse hacked some introdesigner code to alter the scroller and allow linking two together.
    • Anti-JBS Letter 2 (1990)
      The second letter written to make fun of JBS. Preceded by a picture drawn by Mr.Mouse showing a graveyard with a tombstone that reads “JBS”.
    • Tips’n’pokes (1990)
      Some tips and pokes for some games. By Mr.Mouse
  • Disk: Intromess and others (1990)
    • Way back (1989)
      Intro created using some introdesigner, main program features a Xentax logo by Mr.Mouse and some ripped sprites from a number of games, all in basic. By Mr.Mouse.
    • Introduce (1989)
      Intro created using some introdesigner, main program is just the new Xentax logo at the time. An attempt is made to load something, but the program is not in once piece. By Mr.Mouse
    • NFL Piccy (1989)
      A picture of the NFL league logo, drawn by Mr.Ammo, shown using Mr.Mouse’s Koalaroutine.
    • Intromess (1990)
      An intro-slide show! Actually a very novel idea at the time. Mr.Mouse collected a lot of intro’s in front of games and linked them together in one program. Features intro’s by Legend, Dominators, NEC and others. Also some music by Mr.Mouse.
    • No Sweat (1990)
      Mr.Mouse’s so-called last demo. Using lots of ripped routines from other people he assembled this piece of software. Apperently Mr.Mouse was up for his college exams, and forced himself away from the trust Commodore. Hence, his ‘last’ demo. Graphics, text, and code hacks by Mr.Mouse.
  • Disk: Toxic Waste (1991)
    • Part 2 (1989)
      Some introdesigner Xentax intro preceding a horrible basic word game by USB.
    • Toxic Waste (1991)
      First music demo of Xentax, featuring 5 tunes by Mr.Mouse, code by Mr.Mouse, graphics by Mr.Ammo.
    • Just another demo (1989)
      Using some demomaker, Mr.Ammo introduces the USB to Xentax namechange.
    • Over the net – Practice (1991)
      Mr.Mouse cracked the demo version of Over the net that was on a covertape of Commodore Format. He fixed it so you could play on and on. Intro graphics by Mr.Ammo, code and music by Mr.Mouse.
    • Outrun Demo (1990)
      Demo featuring Turbo Outrun title picture and awesome music (by Maniacs of Noise). Intro music by 20CC, code and rips by Mr.Mouse.
  • Disk: Xentax Music releases (1992)
    A collection of music by Xentax members, each song in a separate executable player. Graphics by Death of Hitmen and player by Peace of Xentax
    • Destiny (by Mr.Mouse)
    • Ferdie C. (by Mr.Mouse)
    • Geezus (by The Gee)
    • Morbid (by Mr.Mouse)
    • Imposition (by The Stranger)
    • Strange (by The Stranger)
    • Techno (By Active)
  • Disk: Mr.Mouse Music Collection (1992)
    One of the larger collection of Mr.Mouse music featuring 40 tunes. Also included is Voicetracker 4.2, that was hacked by Mr.Mouse to automatically save his signature when tunes were stored with the editor. Most tunes can be opened with Voicetracker, some need the Future Composer routine Mr.Mouse coded to play FC tunes.
    • The tunes include:
    • Feeling, Freakey,
    • Implode, Stroika,
    • Conquer, Scratch (play with DMC),
    • Illusie, Poluted,
    • Believe, D-Sease,
    • Protone, Destiny,
    • Morbid, Revision,
    • Intros1, Intros2,
    • Ferdie C., JT-Int,
    • JT-Dyc, JT-Log,
    • JT-End, Zak A,
    • Zak B, Zak C,
    • Zak D, Music 3,
    • Music 4, Music 5,
    • Music 6, Music 7,
    • Music 8, Music 9,
    • Early 2, Early 3,
    • Early A, Early B,
    • Early C, Early D,
    • Early E, Early F
  • Disk: Maestro (1992)
    A professional Xentax music collection, featuring new players, menus and 48 tunes by Xentax members. Coded by Peace of Xentax, graphics by Biz Kid of Blaze. Tunes of Mr.Mouse include those on the Mr.Mouse music collection. Besides those there are:
    • Zax 1, 3, 4, 6-5, 7 (by The Gee)
    • TMoney 1 to 5 (by The Gee)
    • LLCool 1 to 6 (by The Gee)
    • Waterdo, Geemusa, Perfect (by The Gee)
    • Zakusta, Just 4 fun, Bohemian (by Mateus)
    • Beast Revenge, The Beginning, Melody (by Mateus)
    • Dreamland 1, Let’s groove, Hi-Tech (by Peace)
    • Bird Dream, Blue Eyes (by Peace)
    • The Vikings, 4 Addybook (by Peace)
  • Disk: Xentax Zax Collection (1992)
    Another professional Xentax music collection that revolves around Mateus’s music. Years later, Mateus became a musician for Bohemian Studios and composes musical scores for PC games such as Operation Flashpoint. Code by Pina of Xentax, music by Mateus of Xentax. The collection acts as a musical slide show, with 14 tunes.
  • Disk: Cybertracker XMas Pack (2001)
    During 2001 Xentax had a C64 revival that resulted in a number of Commodore 64 tunes. Having discovered Noname’s Cybertracker at X2001 in The Netherlands, Mr.Mouse composed several tunes in this new editor. Together with the programmer of Cybertracker, Cyberbrain from Noname, Mr.Mouse released a joined Noname+Xentax product at The Party 2001 in Denmark: The Cybertracker XMas pack. Executable tunes on the disk:
    • Europe United 2002 (Mr.Mouse/Xentax)
    • Crazy Fly (Mr.Mouse/Xentax)
    • Rememberance (Mr.Mouse/Xentax)
    • Wind of change (Mr.Mouse/Xentax)
    • Introzak (Mr.Mouse/Xentax)
    • 2Small (Mr.Mouse/Xentax)
    • Oberon (Johnny Owl)
    • Higher State of Sid (Cyberbrain/Noname)
    • Andante (Pater Pi/Church of 64)
    • Snowman (Pater Pi/Church of 64)


This software has been programmed in Pascal, Turbo C, Assembly and VB. Set the correct memory settings/compatibility mode for the DOS programs.

  • Wator 96 (DOS, 1996, with Source code)
    Wator is graphic simulator of an imaginary world (Wator) where only sharks and fish live. The sharks eat the fish, and both reproduce in a certain amount of time. When too many sharks exist, eating all the fish in their surroundings, the sharks will starve and become extinct. Who will win? Wator 96 was coded in Pascal by Captain Corny (engine) and Mr.Mouse (GUI) as part of an assignment during a Bioinformatics course. The shark and fish animated frames were drawn by Rogue. Released under the SadCom Ltd. label.
  • Dumb Battle (DOS, 1996)
    A simple Artillery Duel-like game against the computer. The computer never misses, so aim well. Written in Turbo Pascal by Mr.Mouse.
  • Crechs! (DOS, 1997)
    Crechs! was inspired by the concept of Wator 96, but much more complex. The creatures in the imaginary world are Crechs, of male and female sex, that eat (when hungry) and breed. Food consists of one type of plant that usually grows near another plant, although sometimes the wind will carry the seeds randomly across the world. The Crechs breed, but the females have a preference for strong males. Fitness of the Crechs is determined by a number of factors that can randomly improve or deteriorate with each newborn Crech. Based on the current status of the world, a set of factors (“genes”) will prove beneficial or adverse. Those with the best set will survive best, and are the primary choice for mating. Crechs also come from different families so as the simulation runs a number of families will emerge that have best adapted to the world. No inbreeding is allowed. The Crechs have the ability to detect food within a set radius (one of the “genetic” traits). Thus, whenever they’re hungry, they will scan for food and move there if they see it. Naturally, those with a wide scanradius have the advantage over those with a small radius. On the other hand, speed of movement is also dependent on intrinsic factors, as well as the current health status of the Crech. A wide scanradius with slow movement may not be of help, as other faster moving Crechs may continously beat them to the food. And then there are some more factors. The world is animated, and different graphs/charts can be called. Individual Crechs can be followed throughout the simulation. Each new simulation will turn out different. Programmed in Pascal/Assembly by Mr.Mouse under the SadCom Ltd. label.
  • LFE (Large File Editor, DOS, 1997)
    As the doc says: “I wrote this editor mainly for my own purposes. I didn’t have an editor which could handle, say, large EXE-files. So, I was fed up with that situation and as expected, I wrote one myself.” Basically, it is a ASCII/HEX editor, be it a very simple one. It has a very original feature: you can scan any given file and it will report chunks of it as Code or Data, based on an algorithm borrowed from advanced statistics. Or as the docs say: “This option uses a statistical formula to calculate homogeneity of blocks of bytes. The found homogeneity is labelled “possibly code” or “possibly data” according to ranges set to define a found value of homogeneity.” Coded in Pascal by Mr.Mouse.
  • DiceWars MapViewer (DOS, 1997)
    MapViewer for a tile-based game that SadCom Ltd. was developing. The program test the graphic routines needed for the game. The game-code never passed pre-alpha stage. Coded by Mr.Mouse in Turbo C and Assembly.
  • NoteEd (DOS, 1997)
    The docs say: “Okay, guys’n’gals, I know this shitty editor is as original as inventing the wheel in 3038, but I just thought to have me some easy fun.. I used to love these editors on the C64, way back in 1985-1986…That’s why I thought I wanted to code one myself…It’s easy to use.” It’s basically a note editor, that puts the text one by one on the screen, with a moving cursor and all. Saves an executable note that can then be run by others to read. Coded in Turbo C by Mr.Mouse, apparently in one day.
  • Tools 3D (DOS, 1997)
    A 3D engine prototype by Captain Corny, featuring a rotating “donut” in real, perspective 3D, with toggleable options including different shading types (e.g. Gourad shading), speed of rotation, angels etc. The help screen has a nice blurring effect, while a smooth scroll displays at the bottom, with rotating colour-fades. Coded in Turbo C and Assembly by Captain Corny.
  • BigScroller (DOS, 1997)
    A BIG scroller, as the name suggests, with full screen characters if need be. Actually this is a demonstration of Mr.Mouse’s graphic routines. It includes said scroller, double buffering of full screen pictures while the action is going on, DICE-scroll, zoom-in and out, screen fades and tech-tech effect on the pictures. Coded by Mr.Mouse in Turbo C and Assembly.
  • Old Saver (DOS, 1998)
    An adaptation of BigScroller, with more zooming and full-screen sinus movement + clipping. Coded by Mr.Mouse in Turbo C and Assembly.
  • New Saver (DOS, 1998)
    An extended screensaver, with bouncing full-screen pictures, bouncing scroller with interesting blur-technique, tech-tech and fade in and out. Coded by Mr.Mouse in Turbo C and Assembly.
  • MultiEx 1.6 (DOS, 1997)
    Command line-driven multi game resource archive format extractor written by Mr.Mouse in Turbo C. Using simple MultiEx script stored in *.INI files, MultiEx can open and extract game resources, such as sounds, graphics and the like from archives such as *.WAD from Doom. MultiEx implemented for the first time the novel idea open and extract from multi-format game resource files via simple scripted processes.
  • Tunnel Saver (DOS, 1998)
    Screensaver by Captain Corny coded in Turbo C and Assembly. Shows off nifty tunnel zoom effects and clipping, masking and image sinus manipulation.
  • MovieViewerTest (DOS, 1998)
    Test program to use EMS memory to store frames and play a video file. Coded by Mr.Mouse in Turbo C and Assembly.
  • Metasim (DOS, 1998)
    Population genetics similator coded by Captain Corny for an assignment at university. Got an excellent grade. Written in Pascal.
  • MexScan (DOS, 2000)
    Command-line driven tool to scan any file for resources and possible header or tails containing resource information. Useful to assess a file as possible archive containing other files. Can be custom adjusted by editing the INI files. Written by Mr.Mouse in Turbo C.
  • MultiEx Commander (DOS, 2001)
    Last DOS version of the popular multi-game resource archive file extractor. Commands multiex.exe. Coded by Mr.Mouse in Turbo C and Assembly.

PC – Windows

  • MultiEx Commander 3.0b (Windows, 2001)
    First windows version. Released April 2001. Coded by Mr.Mouse in Visual Basic 6. Has a serious flaw, and may delete viewed files.
  • MultiEx Commander 3.1b (Windows, 2001)
    Coded by Mr.Mouse in VB6. Corrected errors and added a little change in functioning. Released in April 2001. Now plays background music composed by Mr.Mouse (4 tunes).
  • MultiEx Commander 3.2b (Windows, 2001)
    Coded by Mr.Mouse in VB6. Total overhaul and new layout and improved functionality. Music now by Jeroen Tel, Drax and Laxity from MON, as well as The Gee and Aymes from XeNTaX. Still uses the old 16-bit DOS multiex.exe to process archives. Releases in May 2001.