Reference article
Coins (Duck Life 3)
Money collected during training and awarded after defeating the champion.
Earning
Collect yellow coins in the four training games. 
Purple Coins boost flight speed and are a separate pickup mechanic. Training results add collected currency to the balance.
League races
League victories unlock the next race or league without awarding coins.
Champion reward
Winning the 
Champion Race awards 500,000 coins in Flash and 
Retro Pack. Retro Pack also awards the prize on repeat victories.
Spending
Coins buy 
Seed and 
SuperSeed from dispensers. The game has no cosmetic shop.
Across the games
Compare games and editions on the 
Coins page.