Gates of Olympus is a six-by-five pay-anywhere slot from Pragmatic Play. There are no paylines: eight or more matching symbols anywhere on the grid pay, winning symbols vanish, and new ones drop in to fill the gaps.
A win needs eight or more of a symbol anywhere on the grid — position does not matter. Those symbols are removed and replaced from above, and if the new arrangement wins again the process repeats. A single spin can therefore resolve into several consecutive wins before it settles.
Randomly, orbs land carrying values from two to five hundred. At the end of a tumble sequence every orb on screen is added together and applied to the total win of that sequence. This is where the game's reputation comes from: a modest set of tumbles combined with a large orb total produces the outsized results people remember.
Four or more scatters trigger fifteen free spins. The difference from the base game is that multiplier orbs accumulate across the whole round rather than resetting each spin, so late spins can carry a total built over the entire feature. Three additional scatters during the round add five more spins.
The published figure is 96.5% at the standard configuration, with high volatility. High volatility means the average is delivered through rare large wins and long stretches of nothing. Sessions that look nothing like the average are the normal experience, not the exception.
Raising the stake by twenty percent doubles the scatter chance; the buy feature purchases entry to free spins outright. Both change how quickly variance arrives. Neither raises the long-run return, and operators publish separate RTP figures for these modes that are sometimes lower than the base game.
The demo runs the same maths with no money at stake and is the sensible place to see how long the quiet stretches actually are before deciding whether the game suits you.