BRAIN TRAINING - TRY FASTER
There are only 4 kinds of cards - Stick, Tiger, Hen and Bug. Stick can hit Tiger, Tiger can eat Hen, Hen can eat Bug, but Bug can bore Stick.
You have to choose the best fit card to defeat the given card.
Initial game time: 10 seconds.
Defeat bonus: 0.8 seconds. -- You must choose the best fit card.
Deduct time: 1.0 seconds. -- If you choose the irrelevant card or the same card.
Game over -- You choose the reverse card.