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Brother Bongwelljavascript · BeginnerLich Lord Latencyjavascript · IntermediateLord Starfishsql · BeginnerSergeant Rollopython · Intermediate
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Boss raids54
Practice questions270
Languages8
Modules54
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Browse community quizzes, structured language tracks, and featured boss encounters.

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Featured Raids

8

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  • javascriptBeginner

    Orryx the Index Hydra

    Three-headed pirate sea-hydra, heads wear [0][1][2] tricorns, holding the Barnacle Harbor. Answer fast to dodge Head-0 Snap, Index Chain Lunge and Anchor Tail Slam.

  • javascriptBeginner

    Brother Bongwell

    Hunchback bell-ringer monk wearing a giant bell, holding the Belfry of St. Iterus. Answer fast to dodge Bell Bonk, Gong Wave and Bell Trap.

  • javascriptIntermediate

    Lich Lord Latency

    Impatient skeleton lich with a pocket-watch staff, holding the Tardy Crypt. Answer fast to dodge Delayed Fireball, Clock-Hand Sweep and Callback Skull.

  • pythonIntermediate

    Sergeant Rollo

    Drill-sergeant armadillo, holding the Boot-Camp Drill Yard. Answer fast to dodge Roll Charge, Tail Mace and Cadet March.

  • pythonBeginner

    Coilbert

    Python head gardener, holding the Overgrown Conservatory. Answer fast to dodge Coil Strike, Hedge Snip and Burrow Ambush.

  • pythonIntermediate

    Baron Pandarro

    Samurai giant panda, holding the Bamboo Pagoda. Answer fast to dodge Bamboo Staff Spin, Sumo Stomp and Nap Belly Drop.

  • rustAdvanced

    Custodrake

    Hoarding dragon with MINE! tags, holding the Hoard Cavern. Answer fast to dodge Fire Breath, Tail Smash and Chomp.

  • rustIntermediate

    Lendsworth

    Loan-shark pawnbroker in a waistcoat, holding the Drowned Pawnshop. Answer fast to dodge Fin Charge, Bite and Whirlpool Spin.

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Popular Languages

8

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  • 14 modules

    JavaScript

    Master the browser spellbook from fundamentals to async raids.

    Explore track
  • 11 modules

    Python

    Train clean syntax, automation, web apps, and data science routes.

    Explore track
  • 9 modules

    Rust

    Forge memory-safe systems skills through ownership-focused raids.

    Explore track
  • 4 modules

    TypeScript

    Add type armor to modern front-end and full-stack quests.

    Explore track
  • 4 modules

    Go

    Build fast services, channels, and practical cloud-native tools.

    Explore track
  • 4 modules

    Java

    Level up enterprise fundamentals, OOP patterns, and backend quests.

    Explore track
  • 4 modules

    C#

    Practice .NET, LINQ, async services, and game-friendly architecture.

    Explore track
  • 4 modules

    SQL

    Query dungeons, tune joins, and defend data integrity.

    Explore track
Async
Data
Systems
SQL