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Start your coding campaign with daily quests, language modules, and raid battles built for fast practice.
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Trending Boss Raids
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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.
Choose your language
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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
Trending Quizzes
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