Wild Depths Slot by Pragmatic Play

Wilds don't just substitute here - they move. Every wild that lands in the base game stays on the grid and drifts one position upward on each subsequent spin until it floats off the top edge. Each one carries a fixed x2 multiplier, and when two wilds sit on the same winning line, those multipliers stack multiplicatively. Two wilds on a line means x4. Three means x8. Because the wilds persist across multiple spins, you get overlapping windows where two or three of them share the grid at once, and that's where the 40 paylines start connecting at multiplied rates.

Free spins change the rules. Landing a wild during the bonus doesn't just stick it to the grid - it triggers a respin chain. The reels keep spinning for free while all active wilds drift upward one spot per respin. A progressive multiplier kicks in at x1 and increases by one with every respin in the chain. So if three wilds are stacked vertically and take three respins to clear off the grid, that multiplier hits x3 by the final respin, applied to whatever wins form along the way. New wilds landing during a respin chain extend it further. The multiplier resets between chains but not between free spins, and three more scatters add 5 extra rounds with no retrigger cap.

Bright turquoise water fills the background behind a gold coral-trimmed border, with cartoon sea creatures - orange pufferfish, blue tropicals, red starfish, pink shells, green snails - stacked above bubble-shaped card values. A crowned pufferfish mascot watches from the right side of the grid. The whole thing looks aimed at casual players, but the math disagrees. Bonus entry sits around one trigger per 120 spins, and Release the Kraken is probably the closest Pragmatic comparison for underwater theme plus volatile bonus rounds, though that one uses a different trigger system entirely.