Submissions open from 2026-03-13 20:00:00 to 2026-03-16 23:00:00
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A Game Jam about making a Portal 1 map in a mod instead of hammer

theme will be revealed at the start of the jam

Mod link: https://www.mediafire.com/file/7j8u9qro4qb5xc3/Portal_Map_Editor.zip/file

Unfixed Mod link: https://www.moddb.com/downloads/portal-map-editor-redownload


To upload your map: 

Save it from the console (so you can give it a name)

then go to your mod folder and then "SAVE" folder

search for 3 archives that has your save name

  like this

compress it into a zip or rar file

To play a map:

search a map zip/rar file, enter uncompress it and enter to the folder, drag and drop to your "SAVE" folder from the mod


Rules:

  • DONT USE HAMMER
  •  Start making the map when the Jam starts

Discord server if you need help: https://discord.gg/pweMA6sSC6