Crates of real problems fall into the furnace. Each crate: three lines, one is right — pick it and TYPE it.
Every wrong answer makes the stack fall faster. Every correct one smelts a crate. 8 crates = overflow.
🏆 reach 2,000 points → VICTORY (bonus XP)
🧱 8 crates = STACK OVERFLOW = game over
🔥 combo ×5 → 🧊 GC PAUSE · combo ×10 → ⚡ O(1)
⚔ battle score feeds the leaderboard + serious XP · 🧩 library = training XP
CODE LIBRARY
Real LeetCode solutions with missing lines. Pick the right line from three —
then type it yourself. Pasting is disabled. That's the whole point.
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STACK OVERFLOW
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ENGINEER PROFILE
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🏆 THE FORGE RANKS
Best battle scores. Only registered engineers are ranked.