// /games ยท 8 live ยท 0 coming soon

Browser games for sysadmins who like a challenge with their coffee.

A small but growing collection of puzzles, time-trials, and quizzes โ€” all Linux, all in the browser. Some teach you something; some are just for the leaderboard.

Linux and DevOps games โ€” Bash command challenge, Linux trivia quiz, chmod puzzle. Free, browser-based, no sign-up.
today's challenge ยท bash command

Read the brief.
Land the command in time.

Ten rounds, thirty seconds each. We describe what the shell needs to do โ€” you type the exact command. Streaks pay; second-guessing doesn't. Local scoring, no sign-up, instant retry.

$ leaderboard ยท today (preview)
  1. 01@ada_lโ˜… 4/400:08
  2. 02@grace_hโ˜… 4/400:14
  3. 03@dmrโ˜… 4/400:22
  4. 04@ken_tโ˜… 3/400:31
  5. 05@bwkโ˜… 3/400:42
  6. 06youโ˜… 3/400:48
  7. 07@rmsโ˜… 2/401:08
  8. 08@torvalds_jrโ˜… 2/401:15
โ˜… POPULAR

Bash Command Challenge

Read a description and type the correct bash command. 10 rounds, 30 seconds each, with scoring.

easy โ†’ hard ยท $play โ†’
โ˜… POPULAR

Linux Trivia

Multiple-choice quiz covering Linux commands, filesystem, permissions, networking, and history.

medium ยท ?play โ†’
โ˜… POPULAR

Chmod Puzzle

A symbolic permission string is shown โ€” enter the correct numeric chmod value. Race the clock.

easy โ†’ hard ยท 755play โ†’
โ—† NEW

Cron Cryptic

Decode 10 cron expressions, easy to hard. Field-by-field breakdown teaches you the syntax as you play. Hints unlock progressively.

easy โ†’ hard ยท * * *play โ†’
โ—† NEW

Subnet Sprint

60-second sprint. Network, broadcast, mask, host count โ€” type the answer, press Enter, on to the next. Builds CIDR intuition fast.

medium ยท /24play โ†’
โ—† NEW

Vim Golf

Learn Vim by playing. 15 progressive challenges from absolute beginner to advanced โ€” real Vim emulation, hints on demand.

beginner โ†’ advanced ยท :wqplay โ†’
โ—† NEW

Regex Reversi

Match the greens, avoid the reds. Live-updating board, 15 progressive lessons from literals to lookaheads.

beginner โ†’ advanced ยท /.*/play โ†’
โ—† NEW

Port Patrol

Defend through 5 waves of incoming traffic. Pick UFW rules, launch the wave, watch each connection get allowed or blocked live.

medium ยท :22play โ†’
IDEA

Got an idea?

Suggest the next game we should build. Drop a one-line description and we'll look at it.

github ยท /issues/new$ open โ†—

Cards marked SOON are designed and on the roadmap โ€” they don't exist yet. Click one to add it to your local wishlist; we'll surface wishlisted games first when they ship.