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Every CTF
2021weight 25.00Space Security Challenge Team

Hack-A-Sat 2 Qualifiers

12 challenges with 25 published community solutions between them. Solution links go to CTFtime’s task page, which aggregates every writeup for a challenge - individual blog posts rot, the aggregator does not.

Full task list on CTFtime

Uncategorised9

The upstream scoreboard did not say, so neither do we.

Misc3

Everything that fits no other box: esolangs, puzzles, scripting exercises, and the jail escapes that have not yet earned their own category.

Other 2021 events