Medusa Slot by PG Soft

Three mini reels drop above the main grid at random. Each one spins independently and lands on either Medusa or Poseidon. Match three Medusa faces and she kisses 3 to 5 random symbols on the main reels, transforming them all into Medusa symbols for that spin. Three Poseidon faces instead fill 2 or 3 entire reels with card royals - Ace, King, Queen, or Jack. The Mini Reels don't show up during free spins, so the base game carries its own source of volatility separate from the bonus. Visually, it plays like a scene from a Greek myth painted in soft watercolors - Medusa reclines above the reels in flowing teal robes, dark hair braided with gold, while grapes and stone columns fill the background. The character portraits sit in ornate gold-rimmed oval frames against cool gray reels, and even the low-pay royals keep a muted bronze tone that fits the palette.

Scatters on three, four, or five positions trigger 10, 15, or 20 free spins. During any free spin, three Wild symbols may be placed on reels 2, 3, and 4 before the result lands. Wilds only ever appear on those center reels, base game included, so the random additions during the bonus just increase their frequency rather than changing where they show up. The real differentiator in free spins is the Special Meter running alongside the round. Every Medusa or Poseidon symbol that appears on the reels after a spin resolves gets added to a counter, and that counter pays out at four thresholds: 3x your bet at 12 symbols, 5x at 24, 10x at 37, and 30x at 50. Those prizes stack on top of whatever the spin lines pay.

First game in PG Soft's Medusa series, released in 2019, and it shows its age in the math. The 400x cap is among the lowest in PG Soft's catalog, and the collection meter milestones top out at 30x - a decent bonus within a single round, but not the kind of number that extends a session. The 30 paylines use standard spinning reels with no cascades, no multiplier escalation, no retrigger mechanic. What it does instead is split the action between two distinct random events (Mini Reels in base game, Wild additions plus meter in free spins) and let the love story between Medusa and Poseidon drive both of them.