Lucky 10 is a standard classic slotmachine. Coins are $0.05, $0.10, $0.25, $0.50, $1, $2, or $3 each with a maximum of 2 coins. The fixed jackpot is huge.20,000 coins when you bet 2 coins. When you look at the payouts for 1 and 2 coins a payline there is no reason to choose for one coin.