So this happened...

2016 Dec 17
I stumbled upon the fantastic classic cracktro by Yeti Factories today and decided to do another C64 to JavaScript conversion after quite some time. You can see the result here: Yeti Factories

2016 Oct 31
I had the pleasure of contributing to Fallen Stars, a trackmo by Mayday, which we released at the X party demo competition this year. It scored 9th place (out of 21) and we're pretty happy about it, given that the best of the scene have contributed incredible releases.

2016 Sep 06
Added the "Zelda PETSCII" screen to the list of C64 productions.

2016 Aug 01
A list of all registers and their purpose is mandatory if you want to develop for the Commodore 64. I converted the slightly dusty memory map from and made it work better on mobile devices:

2016 Jul 25
TheRyk of Mayday released his jewel crack of Nemesis and Gradius. I had the pleasure of redoing the title screen, check them out at Nemesis and Gradius.

2016 Jun 27
Summer time is hardware bleaching time! I'm quite lazy at the moment, but at least one small release is finished and coming up soon. Oh and my screens "Moon" and "Love" made it onto the C64 Cover Disk of the excellent Return Magazine.

2016 Apr 13
RetroPie is a great emulation machine based on the Raspberry Pi. It has full VICE support, but was missing labels for the Commodore VIC20, C16 and C128. So I made some. Feel free to download them.

2016 Apr 07
In a rush of nostalgia, I aquired the domain and now I've put Ghost Town on it for now. I want to put more stuff there soon, let's see how that goes...

2016 Mar 01
I finally officially released Ghost Town JS today and I've been given the opportunity to write a "making of" story (in german language). Please visit and check it out.

2016 Feb 28
After some heavy drinking at the BCC#10 demo party, I've now become a new member of demo group Mayday! Looking forward to be part of an awesome team.

2016 Feb 27
Two new screens got released at the BCC#10 demo party in Berlin, "Moon" (3rd place) and "Love" (4th place). You can find them in the C64 section below.


A JavaScript remake of the Commodore C16 game.

Visit the mysterious Ghost Town, a place full of unexpected dangers and hidden treasures!
Ghost Town JS is a JavaScript remake of the fantastic game written by Udo Gertz and released in 1985 for the Commodore C16, C116 & Plus/4. This remake is pixel perfect as it reads in the binary screen data from the original game. For more information and additional links, scroll down the page after launching the game. Have fun!

Launch game


A C64 retro demo made in JavaScript.

awsm's biggest production yet, featuring 10 different screens with code & art made exclusively for this demo. Works best (and probably only) in a Chrome browser. If you can't get it to run on your machine, you can watch the video on youtube. The demo is listed on pouë

Launch demo

C64 cracktro remakes made in JavaScript

You can do a lot of cool stuff in the browser with the canvas element and some JavaScript. I recreated some iconic C64 cracktros as an exercise, using a library called CODEF Please note: while the C64 specs don't change anymore, browsers do - a lot. Chrome is recommended for best results.

Yeti Factories Cracktro (1987)

Rasterbars, color cycling effects, a starfield, a big scroller and a tune from Forbidden Forest: the Yeti Factories cracktro is a powerful demonstration of the 64's capabilities.

Yeti Factories Cracktro

Papillons Cracktro (1988)

This cracktro left me speechless when I first saw it. It makes you think the Commodore 64 has far more than 16 colors. Add the masterful music and you have a piece of art that still impresses me today.

Papillons Cracktro

Hotline Cracktro (1987)

What an epic cracktro by Hotline! With big moving logo and scroller, parallax effects and a hypnotic sound effect this one was quite tricky to convert.

Hotline Cracktro

T.E.C. Industries Cracktro (1987)

A very quick conversion of a simple cracktro that I mostly did because of the cool music.

T.E.C. Industries Cracktro

Dynamic Duo Cracktro (1986)

Even after 30 years I remember how I adored the color cycling effect in the logo and I needed to do a remake to fully understand it. However, this intro with the colored logo usually had no music.

Dynamic Duo Cracktro

Ikari Cracktro (1988)

A simple but great package from IKARI with a cool logo, nice color scrollers and an uplifting tune.

Ikari Cracktro

awsm (fake) Cracktro (2014)

My first attempt at writing my own fake cracktro. I like the scroller, but the starfield isn't looking as it should on a Commodore 64.

awsm Cracktro

Fairlight Cracktro (1987)

Another legendary intro. Technically not too impressive, but very fitting with this masterful SID tune.

Fairlight Cracktro

Eaglesoft Cracktro (1987)

Probably the most iconic cracktro of the Commodore 64. Countless great productions coming from the US started with the eagle. Logically, this had to be my first JS conversion.

Eaglesoft Cracktro

Commodore C64

A collection of releases for the Commodore 64. Click on the images to download the .prg file or visit the releases on

Fallen Stars by Mayday!

"Fallen Stars" by Mayday! We scored 9th place at the X party 2016! Click here to see a composition of the PETSCII animation and watch the demo on youtube.

Fallen Stars on

Zelda PETSCII Room

A Zelda-style room created in pure PETSCII. I wanted to turn this into a small game, but lost pace and motivation along the way. The usual. I'm quite pleased with how it turned out, however, so I released this screen at least.

Zelda PETSCII on

Nemesis & Gradius Crack

TheRyk of Mayday released a great Jewel Crack of Nemesis & Gradius. I fixed and updated the original title screen, which was converted from the ZX Spectrum game. It's my first contribution to a proper crack and my first hires screen release.

Nemesis on

LOVE (multicolor, sprites)

Scored 4th place at BCC#10, 2016. Another screen I started a long time ago, but only finished it in a rush just before the compo started. Some rasters in the border and top and border sprites to extend the lady to full beauty.

Love BCC on


Released at BCC#10 on Feb 27, 2016, this screen scored 3rd in the graphics compo. I made it almost a year ago and never finished it to the level I intended.

Moon on


Just a small PETSCII screen that plays around with the fantastic tune from Eddie. I decided to release it as is, knowing that it would never become 100% as I wanted it to be. Some raster bars and sprites involved.

Schaltkreis on

Positive Karma

A conversion of the original screen from the Full Of Sinus demo. The picture got more colorful to compensate for the lack of a proper DYCP scroller and the zoom effect. I had a hard fight to get the raster bars stable.

Positive Karma on

Vision logo PETSCII

My second PETSCII attempt. If you look long enough, you might notice that it resembles a postcard, with mountains in the back, the beach in the front and the logo being the hotels.

Vision Logo on


My first PETSCII logo. The main screen area is pure charset, but I opened the top and bottom borders and put some sprites in it to extend the image.

Nyanpetscii on

Look Mom, I'm an Eagle!

My first conversion of a screen from the Full Of Sinus demo. Minor tweaks on the image and a color wash effect on the logo and scroller to compensate for the lack of a custom font.

Look Mom, I'm an Eagle! on

Can I haz member?

My second C64 program, serving as request to get accepted as a member on You can see that it is still pretty much the same code that I used for the first demo.

Can I Haz Member? on


My first demo on the C64 after about 25 years. Nothing special by any standards, but very important for me to get back into demo development.

No entry


Some stuff I created along the way. Feel free to download and use them for your personal pleasure. How about a cool MOS logo tee? Or, create your own browser demo and put a stylish Commodore 1984S monitor around it. Do it. And send me link so I can check it out.

Commodore 64 memory map

The memory map of all available registers and their functionality is a mandatory reference for developing on the Commodore 64. This page should look alright on mobile devices too.

Commodore vector labels

RetroPie is a great emulation machine based on the Raspberry Pi. It has full VICE support, but was missing labels for the Commodore VIC20, C16 and C128. So I made some. Feel free to use them.

Download ZIP file

MOS vector logo

I wanted to have a nice shirt with the MOS TECHNOLOGY logo on it and couldn't find any high resolution or vector versions of it, so I made one. Feel free to use it. File contains PNG and SVG versions.

Download ZIP file

Commodore 1084S vector file

I needed a 1084S image for my demo and couldn't find any on the web, so I made one. It is completely vector based and you can download and use it for free. Go ahead!

Download SVG file

Atari SM124 vector file

Here's something for the Atari fans: vector versions of the famous Atari SM124 and SC1224 monitors. The zip file contains a vector file, a Photoshop file with layers and a ready-to-use png images to integrate with your browser demo.

Download ZIP file

Vintage TV vector file

For my Ghost Town remake I decided to create a nice retro looking tv and I'm quite pleased how it turned out. You can grab the zip file containing vector and png files right here.

Download ZIP file