Pragmatic Play released the original Sweet Bonanza on 22 October 2019, and it has since become one of the studio's flagship Pragmatic Play slots, spawning an entire franchise. Pragmatic Play's own studio materials date the launch to 2019 and present Sweet Bonanza as the title that started the Bonanza line, which now includes Sweet Bonanza 1000, Sweet Bonanza Super Scatter and Sweet Bonanza 1000 Dice.
Conceptually, this online slot breaks from classic line-based games in three ways:
No paylines. There are no fixed lines to match. Wins form when eight or more identical symbols land anywhere on the 6×5 grid, a pay-anywhere or cluster-style system. Position is largely irrelevant; only the count matters.
Cascading (tumble) wins. Winning symbols are removed and replaced by new symbols dropping from above within the same paid spin, so one bet can produce a chain of consecutive wins.
Additive multipliers rather than multiplicative ones. During free spins, multiplier bombs land with values from x2 upward. They persist until the tumble sequence ends, then all visible multipliers are added together and applied once to the total win of that sequence. This is why sessions look flat for long stretches and then produce a single enormous hit.
The candy theme (lollipops, boiled sweets, iced gems, swirling cream, cones and fruit against a pastel backdrop) is aesthetically light. The maths underneath is not. That mismatch between visual softness and statistical harshness is arguably the defining feature of the whole franchise.