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Test your skills with curated challenges, or start a shareable game challenge and compete on the leaderboard.
A hand-authored, fixed challenge — follow the clues and complete each step.
Write, configure, and test your first Soroban smart contract in Rust.
Build a Soroban token contract — balance storage, an authorized mint, and balance lookups (SEP-41 pattern).
Master moves, borrows, and mutable references — the Rust concepts behind every Soroban contract.
Mint and transfer NFT badges with a Soroban contract — admin auth, persistent storage, and tests.
Each game generates a unique link you can share — play with friends and climb the leaderboard.
Randomized game session with a shareable link and scoring.
Randomized game session — write and deploy your first Soroban contract.
Race a friend to build a working Soroban token contract.
Race a friend through Rust ownership, borrows, and mutable references.
Race a friend to mint and transfer an NFT with a Soroban contract.