Once Upon a Time is one of the slot machine free games
which invites online gamblers to go on a very exciting journey that lets them into the fantasy world of fairy tales. This game is powered by Betsoft so players can expect top notch graphics and impressive and realistic audio effects. Since this game is a 3D slot machine, players will enjoy 3D graphics which results in a very visually pleasing gambling experience. Players can find this game at Mr. Green Casino among other casinos that are powered by Betsoft.
The symbols that appear on the reels are all inspired by the unrealistic world of fairy tales. This includes a Knight in a shiny armor, a princess, a king, the Excalibur sword, a dragon, an Axe and other symbols. The game is also filled with features and bonus rounds that will make sure that players come out satisfied and with more coins than the ones they had when they first entered the game.
One of these bonus rounds is called Those Crazy Goblins. This bonus round is a free spins round that rewards players with free spins on the slot machine. Players will be able to activate this round by getting at least three Tree House symbols spread on the reels of the game.
Another feature is called How She Loved the Knight. This feature rewards players with an instant cash reward. Players who want to earn this reward will have to get the symbol of the Princess and the symbol of the Knight in two adjacent reels. If that happens, the Knight and the Princess will reach over and kiss each other while rewarding players for bringing them close to each other.