Released on August 21, 2013 by developer Betsoft; Once Upon A Time is a fantastic html5 video slot adaptation of both the phrase knight in shining armor and an Arthurian legend where King Arthur claimed kingship by pulling out the Excalibur sword that had been miraculously embedded in stone.

Themes: mythology, luck, medieval literature, goblins, knighthood, treasure, and enchantment. Similar games from Betsoft: Book of Darkness (October 2020), Faerie Spells (January 2019), Charms & Clovers (July 2016), Greedy Goblins (October 2013), Alkemor’s Tower (November 2015), Enchanted (January 2010), and Wizard’s Castle (January 2011).

Once Upon A Time’s rival games include King Arthur (May 2012) from Microgaming, Arthur’s Fortune (May 2020) from Yggdrasil, and Arthur’s Quest (June 2011) from Amaya. Three symbols (princess, treasure, and piper) require two, three, four, or five winning combinations. Five symbols (roast turkey, Excalibur sword, trebuchet, battleax, and shield) require three, four, or five winning combinations.

Once Upon A Time Game Characteristics
Once Upon A Time, which is set in the fictitious Camelot castle, has a stony and partitioned 5X3 grid. There are 30 left-to-right adjustable paylines, twelve symbols, eleven coin denominations, five bet levels, 935 total bets, click-and-reveal game, locked wild reel, two bonus games, retriggerable free games, no side game, and regularly pays from $2.00 to $1000.00.

Once Upon A Time has six special symbols and seven symbols. Special symbols: the wild reel-triggering substituting wild is a potbellied lime European dragon; knight who unlocks the search-and-rescue bonus game; youthful princess on a balcony; free games-triggering tree house constructed from a stump; the click-and-reveal game-triggering scatter is a brown “click me” gunny sack of gold; and the treasure bonus-triggering feature is a goblin beside a ruby-encased golden urn.

Ordinary symbols: treasure beside dragon’s tail; gloved, mustached piper; roast turkey; illuminated Excalibur sword; medieval catapult called trebuchet; battle ax on a stump; and golden heraldry shield among axes and swords.

The Once Upon A Time coin denominations: $0.01, $0.02, $0.03, $0.04, $0.05, $0.10, $0.15, $0.20, $0.25, $0.50, and $1.00. Paylines: 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 28, 29, or 30.Minimum bet: $0.01. Maximum bet: $150.00.

The $150.00 bet has these Once Upon A Time payouts. Two, three, four, and five combinations: princess pays $30.00, $500.00, $1500.00, and $2500.00; treasure pays $20.00, $300.00, $1000.00, and $2000.00; and piper pays $10.00, $200.00, $750.00, and $1500.00.

Three, four, or five combinations: roast turkey pays $150.00, $625.00, $1250.00; Excalibur sword pays $125.00, $500.00, $1000.00; trebuchet pays $100.00, $400.00, $750.00; battleax pays $75.00, $300.00, $500.00; and shield pays $50.00, $200.00, $400.00.

The dragon may appear on the middle reel, where it pays between $2.00 (for $0.01 bet) and $300.00 (for max bet); it breathes fire onto that reel, transforming it into a one-time locked substituting wild reel. Knight and the princess may land beside each other, prompting them to kiss—they give bonus credits.

Three tree houses on the third, fourth and five reels open to reveal scattering goblins that stare at the grid expectedly during the free games. Three “click me” gunny sacks prompt the click-and-reveal game, where the gunny sacks are clicked repeatedly until they show collect.

Three goblins load the treasure bonus game; set in a red-carpeted house, players help the goblins loot by picking the credits-revealing candle holder, spell book, urn, or gold. Three knights prompt the search-and-rescue bonus game, where players are prompted to arm the knight with the sledgehammer, catapult, shield or meat when battling the dragon to save the caged princess. Once Upon A Time’s non-progressive jackpot is $375000.00

The Once Upon A Time software is good: icons embedded on stumps and mortar; mobile and desktop versions; quick spin; and 5, 10, 15, 20, 25, 30, 40, 50, and 100 autospins. Sounds effects include: trumpeting, jingling, chirping birds, creaking, and chattering goblins. The notable cinematic 3D graphics: fire-breathing dragon, looting and dramatic goblins, blazing reel, catapulted projectiles, kissing, feasting on roast turkey, positioning mortar, uprooted sword, waving princess, wagging, goblin carrying away loot, and subdued dragon.

Luck in Once Upon A Time
A game of chance, the RTP rate of Once Upon A Time is 95.28% and the house edge is 4.72%.