The shell you know.
Rules you don’t.

Decode cipher clues, uncover remapped Linux commands, and race through a safe virtual terminal against individual competitors.

Zero host executionServer-authoritative timing

shiftshsecure sandbox

# directive: recover the relay key

operator@shellshift:~/workspace$ cat signal.enc

U2hpZnQgdGhlIGNvbW1hbmQuLi4=

operator@shellshift:~/workspace$ cd relay

Directory created /workspace/relay

operator@shellshift:~/workspace$

The shell you know.Rules you don’t.