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ANSWER FAST
A math question appears with 4 choices. Click, tap, or press keys 1–4 to answer before the timer runs out.
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BUILD COMBOS
Consecutive correct answers grow your combo multiplier. Each combo level adds 15% more score per question. Get 3+ for bonus banners.
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LEVEL UP
Answer a set number correctly to level up. Higher levels unlock harder question types and bigger numbers — but score multipliers increase too.
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USE POWER-UPS
Skip (skip question), 50/50 (remove 2 wrong answers), Freeze (pause timer 3s). Use them strategically — you only get 1 of each per game.
Base points = (15 + Level × 8)
Speed bonus = ×(time remaining / 100) — answer faster for more points
Combo multiplier = ×(1 + combo × 0.15) — chains amplify everything
Total = Base × Speed × Combo
Grade S requires 90%+ accuracy AND level 5+. Grade A = 80%+. Grades B/C/D scale down.