5% to 2%, but most commonly 1%. Others use a graduated percentage system, starting at $10 (1%) for $1,000, but decreasing the percentage as the jackpot climbs, with $20 (. 5%) for a $4,000 payout and a maximum of $40-$100 for higher jackpots of $8,000-$20,000.
Yes, some slot machines on cruise ships may offer fixed jackpots. In addition to the more common progressive slot machines, which have a jackpot that increases with each play until it is won, some cruise ships may also offer standalone slot machines with fixed jackpots.