Penny Slot machine Buffalo contains 12 symbols to use: However, keep in mind that this feature increases the minimum bet amount by 40 times. By activating the “Xtra Reel Power”, you can increase your chances of winning.If the same 3 symbols are placed on a pay line side by side - you will be entitled to a reward.After the bet amount set, press the Play button to spin the reels: The plus and minus signs at the top of this button allow you to automatically spin the wheels. You can change both the total bet and the number of lines. There is free online Buffalo slot machine for fun and real money version. It combines the rustic and exciting visuals of wild animals with the sound effects of a bustling casino floor and provides you a complete free slots online experience. It has been a long time favourite with players at brick and mortar casinos and has now achieved popularity with its online version as well.