Graphics competitions

  • Only one entry per artist and competition allowed
  • Every component used in the image has to be your own property, no unlicensed material allowed!
  • You will have to deliver 4 worksteps named step1.???, step2.??? and so on (??? stands for the file extension). If we find your worksteps unplausable, we may be forced to disqualify you. But rest assured that we will contact you in advance to give you the chance to prove us wrong
  • You have to deliver an unsigned version of your image!
  • The entries will be shown fullscreen at two different daytimes to compensate for different light situations
  • In case that we will have to apply preselection: disqualified entries will not be spread and will not be votable
  • You will have to provide a list of tools you used in creating your entry. This information will be shown on the bigscreen
  • Animations are not allowed
  • All contributions for the music, graphics and videocontent compos will be released under a Creative Commons Licence. Look here for more information!

Modern Tools

  • You can use every graphics tool you want, compositings and renderings are allowed
  • Plain photographs or complete scans are not allowed, the image has to be digitally altered in a way that suits into the context of a demoscene graphics competition
  • Maximum resolution is 1920x1080 pixels with max. 32bit colors
  • The entry has to be delivered as lossless file format such as .PNG, .BMP or .TIFF packed as .ZIP or .LZH together with the worksteps

Oldskool GFX

  • Any lossless format that can be viewed using the latest version of IrfanView (link) is allowed
  • Maximum resolution is 320x240 pixels with max. 256 colors
  • Please also deliver a PNG for the voting system or as a fall back
  • Entries for the C64 and similar machines have to be delivered as executable


  • ASCII and ANSI:
    • Maximum width is 80 characters, no maximum height/lines.
    • No custom pallets, Ansimations or converted images.
    • Please declared whether your ASCII should be displayed as PC or Amiga ASCII
    • PC ASCII is shown using 80×25 VGA mode in the compo
    • Amiga ASCII will be shown using the topaz+ font, unless you provide other information (via note or sauce info).
    • Maximum width is 40 characters, maximum height is 25 characters.
  • Teletext:
    • Max. Level 1.5, no animations, no custom colors or characters. Please state the broadcast system to use: PAL or NTSC.
  • You don't need to provide an unsigned version or working steps for this competition.
  • If you’re unsure whether your entry will be displayed correctly, provide a PNG for comparison/as a fallback along with the original file.
  • Please provide a thumbnail for the voting system.
  • The latest version of Sahli Viewer will be used.
  • If there are enough entries, we might split the compo into separate competitions.


  • Please specifiy the used tools for retouching.
  • In the case of major retouching and compositing, please consider entering the Freestyle Graphics competition instead.
  • The maximum display resolution is 1920 × 1080, larger resolutions are accepted.

4k Executable für las <3

  • Generate the most impressive still image in a 4k executable
  • Image must be displayed in fullscreen
  • A screenshot of your still image has to be provided
  • Precalculation is restricted to 30 seconds on the compo machine
  • All platforms allowed
  • Resolution: 1920x1080
  • Filesize limit: 4kb uncompressed

What, where and when

Under Construction is the last demoparty of the year.
It takes place from December 27th to 29th in Darmstadt, Germany.

Old Deutsche Post Building
Hilpertstraße 31
64295 Darmstadt