Hold and Win slots
The format came off the casino floor: cash symbols with printed values land on the grid, every new one resets a counter of three spins, and the round ends when the screen stops filling. Covering the whole grid takes the top jackpot, which is why the tension builds towards the last spin rather than the first. Big Bass Bonanza, Money Train and the entire frog family run on this engine.
How this slice was built
32 games out of the 996 in the catalog. The industry has no shared vocabulary for mechanics: studios describe the same thing in different words, so this list is assembled from a normalised set of spellings found in provider specifications — hold and win, hold and spin, hold the jackpot, hold, hold function, link&win. If a game uses the mechanic but the provider never listed it, it will not show up here.
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