• Music as an executable. 
• Maximum size 32768 bytes. 
• Maximum precalculation time 30 seconds. 
• Maximum runtime of one entry - 3 minutes.
• Please provide mp3 or ogg render.

Please note, that entries for this competition can be for any platform, not just PC.

• Maximum 2 entries from author/group.
• Only original entries (no remixes).
• Music created in trackers. Formats allowed - mod, xm, it, s3m, xrns, skm (skale), sunvox, ptk (protrekkr), LSDJ
• Size of module not more than 4mb (4096kb).
• Soundtrack cannot be looped and must have an ending.
• Maximum runtime of one entry - 3 minutes.
• Please provide mp3 or ogg render.
• Entry must play correctly with out of the box installation of tracker software.
• No VST plugins!

Entries must be prepared for Chaos Constructions. Previously released work cannot be submitted (that includes soundcloud, bandcamp and so on).

• Music no longer than 30 seconds in MP3/OGG format.
• Maximum 2 entries from author/group.
• Only original entries. No remixes.
• No vocals.
• OGG is allowed.
• No VBR.
• ID_TAG must be filled in.
• Author must provide final project file to organizers (possible without large wave files).
• Please normalize to 0 db.
• Will be played for 30 seconds only. If you go over the limit, playback will stop regardless.

• Graphics in ASCII/ANSI
• Maximum 2 entries from author, 3 from group.
• Maximum resolution - 80x1000 symbols.
• Entries will be shown using Acid View 6.0 in 80x26 VGA mode.
• No animation.

Images of erotic/pr0nographic nature will be disqualified during preselection.
Entries must be prepared for Chaos Constructions. Previously released work cannot be submitted.

• Graphics created manually on computer.
• Maximum 2 entries from author, 3 from group.
• Scans or copies are not allowed.
• You must provide screenshots in different stages of creation
• Recommended resolution 1024x768x24bit.
• Acceptable graphic formats: JPEG, TIFF, GIF, IFF, PNG, HAM.

Images of erotic/pr0nographic nature will be disqualified during preselection.
Entries must be prepared for "Chaos Constructions". Previously released work cannot be submitted.

• Static graphics (image) as an executable file.
• Maximum precalculation time 30 seconds. 
• Maximum size 4096 bytes. 
• Please provide png/bmp render.

Please note, that entries for this competition can be for any platform, not just PC.

​Main theme is Heritage. We need all historical biuldings and places from the world. 

• Photographs created using digital or film cameras.
• Maximum 2 entries from author.
• No post processing except for cropping, colour levels and white balance. No filters!
• Recommended resolution 1024x768x24bit.
• Acceptable graphic formats: JPEG, TIFF, GIF, IFF, PNG, HAM.

Images of erotic/pr0nographic nature will be disqualified during preselection.
Entries must be prepared for "Chaos Constructions". Previously released work cannot be submitted.

​Aerial photography is the taking of photographs of the ground from an elevated/direct-down position. Usually the camera is not supported by a ground-based structure. Platforms for aerial photography include fixed-wing aircraft, helicopters, unmanned aerial vehicles, balloons, blimps and dirigibles, rockets, pigeons, kites, parachutes, stand-alone telescoping and vehicle-mounted poles.

• Photographs created using digital or film cameras.
• Maximum 2 entries from author.
• No post processing except for cropping, colour levels and white balance. No filters!
• Recommended resolution 1024x768x24bit.
• Acceptable graphic formats: JPEG, TIFF, GIF, IFF, PNG, HAM.

Your photo can be taken anywhere but it must be unique. 
 

​Theme is Astronomy. We want to see aurora borealis photo, nightscapes with milkyaways, stars and night sky. 

• Photographs created using digital or film cameras.
• Maximum 2 entries from author.
• No post processing except for cropping, colour levels and white balance.
• Recommended resolution 1024x768x24bit.
• Acceptable graphic formats: JPEG, TIFF, GIF, IFF, PNG, HAM.

Images of erotic/pr0nographic nature will be disqualified during preselection.
Entries must be prepared for "Chaos Constructions". Previously released work cannot be submitted.

• Animation or short film.
• Maximum runtime of one entry - 5 minutes.
• Video should be encoded in DV, H.264, DivX, MJPEG or VCD (mpeg1) / SVCD (mpeg2)
• In case of DivX you should pack it with videocodec DivX 4.0+ or XVid, audiocodec MP3 (0x55 = MPEG Layer-3).

If you can't upload your entry though the web, please contact infodesk.

• Music written in any beeper tracker for ZX Spectrum. 
• Maximum runtime of one entry - 3 minutes.
• One entry from author.

Module must be compiled and have a BASIC loader. It is mandatory to provide an uncompiled version of module specified EXACT name and version of music tracker used during creation.

• Music written in any AY/YM tracker for ZX Spectrum. Turbo-Sound (6 channels) is allowed. 
• Maximum runtime of one entry - 3 minutes.
• One entry from author.
• Compiled at #C000, all entry points must be specified. Maximum size - 16384 bytes. It is preferrable to provide uncompiled version of module specifying EXACT name and version of music tracker used during creation.
• Entries will be played in stereo with ABC separation.

• Images created in any graphic modes working on standard ZX Spectrum 128k without extensions. In case it's not a standard screen (6912/6144 bytes), you must provide a loader and original file for graphics editor.
• Maximum 2 entries from author, 3 from group.
• Entry must work on Pentagon with 128K memory.
• Entry must be original. Scanned/converted entries are not allowed.
• In separate file you must specify name/nick of author, editor used to create the entry AND you MUST provide screenshots in different stages of creation (to resolve any conflicts during preselection).
• Pictures of erotic/pornographic nature will be disqualified.

• Intro for ZX Spectrum compatible computers and other computers released before 1992.
• Running time not longer than 1 minute.
• Maximum size 256 bytes. 
• Entry must work on Pentagon with 128K memory.
• If you want you can provide release version of intro with original BASIC loader (to be distributed after the party).

Intro for ZX Spectrum compatible computers and other computers released before 1992.

• Running time not longer than 3 minutes.
• Maximum size is 1Kb. 
• Entry must work on Pentagon with 128K memory.
• Turbo Sound is allowed.
• Entry should not require key press to progress to the next part (It is allowed to react to keys to progress to next part faster).
• Entry must have a defined ending: fadeout/stop playing music, static picture on the screen.
• If you want you can provide release version of intro with original BASIC loader (to be distributed after the party).

Demo for ZX Spectrum compatible computers and other computers released before 1992.

• Play time not longer than 600 seconds (10 minutes).
• Maximum size 640kb or one disk in TR-DOS format. 
• Entry must work on Pentagon with 128K memory.
• Turbo Sound is allowed.
• If you use non standard disk format you must provide entry on a real TR-DOS disk (preferably several copies) to infodesk.
• Entry should not require key press to progress to the next part (It is allowed to react to keys to progress to next part faster).
• Entry must have a defined ending: fadeout/stop playing music, static picture on the screen.

Demo for ZX Spectrum compatible computers with any extensions.

• Play time not longer than 600 seconds (10 minutes).
• Maximum size 2 Mb. 
• You must provide hardware to play the entry and video file.
• If you use non standard disk format you must provide entry on a real TR-DOS disk (preferably several copies) to infodesk.
• Entry should not require key press to progress to the next part (It is allowed to react to keys to progress to next part faster).
• Entry must have a defined ending: fadeout/stop playing music, static picture on the screen.

Game for ZX Spectrum compatible computers and other computers released before 1992.

• Play time not longer than 600 seconds (10 minutes).
• Maximum size 640kb or one disk in TR-DOS format. 
• Entry must work on Pentagon with 128K memory.
• Turbo Sound is allowed.
• If you use non standard disk format you must provide entry on a real TR-DOS disk (preferably several copies) to infodesk.

• Maximum size 256 bytes. 
• Maximum runtime of one entry - 1 minute.

Please note, that entries for this competition can be for any platform, not just PC. If your entry is not for PC/Windows, please specify EXACT requirements and specifications of the system.

PC entries must have an option to output visuals in one of the following resolutions: 1024x768, 800x600, 640x480, 320x200.

• Maximum size 4096 bytes. 
• Maximum runtime of one entry - 10 minutes.

Please note, that entries for this competition can be for any platform, not just PC. If your entry is not for PC/Windows, please specify EXACT requirements and specifications of the system.

PC entries must have an option to output visuals in one of the following resolutions: 1024x768, 800x600, 640x480.

• Maximum size 65536 bytes. 
• Maximum runtime of one entry - 10 minutes.

Please note, that entries for this competition can be for any platform including internet browsers, not just PC. If your entry is not for PC/Windows, please specify EXACT requirements and specifications of the system.

PC entries must have an option to output visuals in one of the following resolutions: 1024x768, 800x600, 640x480.

• Maximum runtime of one entry - 10 minutes.
• Maximum size 16Mb.
• Demo cannot contain animation only.
• It is mandatory to provide all the necessary resources to run the demo.

This is non standard hardware competition, author must either bring his hardware with him or make sure that organizers have the necessary hardware. All entries for Android, iOS, WinPhone, J2ME, PPC/WinCE, WinMobile, Symbian, PalmOS, Zodiak, Raspberry and so on go here.

• Maximum runtime of one entry - 10 minutes.
• Unlimited file size.
• Demo cannot contain animation only.

Please note, that entries for this competition can be for any platform including internet browsers, not just PC. If your entry is not for PC/Windows, please specify EXACT requirements and specifications of the system.

PC entries must have an option to output visuals in one of the following resolutions: 1024x768, 800x600, 640x480.

Music written during the party on the theme specified when the competition starts.

• To compete you'll need to have a computer.
• Music can be written on any computer in any music software.
• Entries will be played in the main hall, winner will be decided by public vote.

Anyone can submit photographs taken at the party. Theme will be specified when the competition starts.

• Maximum 3 entries from author.
• Entries will be shown on the big screen, winner will be decided by public vote.

Image drawn during the party on the theme specified when the competition starts.

• To compete you'll need to have a computer and a tablet.
• It is forbidden to prepare in advance and use materials from the internet.
• You must provide screenshots in different stages of creation.

Image drawn during the party on the theme specified when the competition starts.

• Images created in any graphic modes working on standard ZX Spectrum 128k without extensions. In case it's not a standard screen (6912/6144 bytes), you must provide a loader and original file for graphics editor.
• Entry must work on Pentagon with 128K memory.
• Entry must be original. Scanned/converted entries are not allowed.
• You must provide screenshots in different stages of creation.
• Pictures of erotic/pornographic nature will be disqualified.

Music written during the party on the theme specified when the competition starts.

• Music written in any AY/YM tracker for ZX Spectrum. Turbo-Sound (6 channels) is allowed. 
• Maximum runtime of one entry - 3 minutes.
• Compiled at #C000, all entry points must be specified. Maximum size - 16384 bytes. It is preferrable to provide uncompiled version of module specifying EXACT name and version of music tracker used during creation.
• Entries will be played in stereo with ABC separation.

Realtime cyber security quest by DefCon.moscow

• Task in progress ​​​
• By http://hwv.su/

Task for participants is to draw picture in ZX Spectrum attributes mode (32x24px, 53 colors). It is possible to use online editor:
http://events.retroscene.org/53c