Jackpot Capital Casino has just launched its latest leaderboard promotion and is promising to hand out $150,000 in bonus cash between now and June 25.The Jackpot Pirates campaign will see each week’s best performing 300 players receive bonuses worth up to $600 every Monday while random Friday draws are set to dish out bonuses totaling $5,000.“Jackpot Capital Casino players earn points any time they play any of the hundreds of download or instant-play online games on their desktop or laptop computer or in the mobile casino on their smartphone or tablet,” read a statement from Jackpot Capital Casino.“They are listed on a scoreboard according to their points ranking and every Monday $15,000 in casino bonuses are given to the top 300.”