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Double Up by Games Inc is a three-reel, 3x3 slot with five selectable paylines and a low-volatility profile. The game pays on predefined symbol combinations, including three of a kind and certain two-symbol matches with the special star symbol. When more than one line wins, the highest win value on the screen is paid.
The reel set uses classic fruit-machine symbols such as bells, clovers, grapes, plums, oranges, lemons, cherries, BARs and a star. The paytable also shows higher values for bells and clovers, with lower awards for fruit and cherry combinations. Players can use the demo version to play for free and practice before playing for real money.
The main extra feature is the Double Up gamble round, which appears after wins below 250x the bet and presents a heads-or-tails choice. The game also displays three jackpot meters in the interface, while the provided screens do not show free spins or a separate bonus round.
