Questions on effectiveness: which type is super effective, which combination resists an attack or what the total multiplier is. Everything is computed from a versioned, verifiable chart.

How to play

1. 1Ten questions per game generated deterministically from the Gen 6+ chart.
2. 2Multiplier questions distinguish ×2 from ×4 and ×½ from ×¼.
3. 3On Expert difficulty dual combinations and immunities appear.