GIF selector:
Welcome!
You have visited the official page of UNDEFINED — a festival of programming, demoscene, homemade electronics, retro computers and everything else, which takes place approximately twice a year in the suburbs of St. Petersburg, Russia.
The festival is sheduled at August 15, 2026.
Location - Russia, Leningrad region, Roshchino village, Pesochnaya street, building 1, Raivola country hotel (hall on the ground floor of the mixed-use complex).
Show on map: [1] [2] [Hotel website]
Price: arbitrary donation
Please, use our chat room to receive updates on shedule and video streaming.
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Production upload system (upload your prod here)]
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Telegram channel]
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Telegram chatroom]
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Web IRC chat (join #undefined)]
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Matrix: #undefined:hackint.org]
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Peer-tube videos (on maintenance)]
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Habrahabr articles]
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GPG key]
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BBS (on maintenance)]
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Phone: +7 916 161 8822]
Site visibility:
Website access from Russia is filtered. Only 16 kb of data is transferred for each TCP session. Use additional IP [144.31.87.109], or set your browser to force QUIC protocol.
Use theese credentials to donate arbitrary amount of money to the festival admins:
Demoscene compos are described at [Retroscene partymaking system]. Log in there to see rules and upload your prods. (change your language appropriately)
The BuChaos Music Bottle music tournament will take place on the main stage. The rules will be published later. [Last year's announcement].
Archive of previous Undefined competitions: [demozoo] [retroscene.org]
