Pick a game and start training. New games drop here as we build them. Each game earns you a belt rank based on score — climb from White all the way to Sensei.

Belts:

⌁

Packet Ninja

Route a packet through firewalls and switches. One hop at a time.

PLAY Networking · Reflex

/24

Subnet Slicer

Slice CIDR blocks into the right subnets before the timer runs out.

PLAY Networking · Math

7|6|5

OSI Tower

Protocols fall from above — drag each to the right layer before it hits the lava.

PLAY Networking · Puzzle

CVE

Whack-a-Vuln

Patch CVEs as they pop out of the server rack. Don't let them spread.

PLAY Security · Reflex

·•·

Ping Pong

Pong, but the ball is an ICMP packet. Don't time out.

PLAY Networking · Arcade

Terminal Trainer

Speed-type real commands. Beat the clock, beat your last best.

PLAY Linux · Typing

Dojo Games