Unlock the following characters by performing the corresponding tasks:
CHARACTER - HOW TO UNLOCK Blue Ninja - Collect 500 gold or beat Episode 2 in Single Player mode. Gold Ninja - Beat all 45 episodes in Single Player mode. Green Ninja - Collect 700 gold or beat Episode 3 in Single Player mode. Pink Ninja - Collect 5,000 gold. Purple Ninja - Collect 1,000 gold. Red Ninja - Collect 300 gold or beat Episode 1 in Single Player mode.