About Pirates Plenty The Sunken Treasure
Pirates' Plenty: The Sunken Treasure starts on a 5-reel, 3-row grid with 20 fixed paylines, but that is not its final configuration. First thing worth flagging: Red Tiger publishes this game simply as Pirates Plenty on its product page, while the databases append the subtitle The Sunken Treasure. Both sequels in the series, Battle for Gold and Treasures of the Seas, do carry their subtitles on the publisher's site.
The structuring mechanic is map piece collection. The player accumulates map symbols across spins and, once the bar fills, a sixth reel opens: the grid goes from 5x3 to 6x3, from 15 to 18 positions. Red Tiger specifies that this reel stays unlocked once obtained. It is persistent progression, which is rare on a payline machine.
That unlock is not cosmetic. The wild ships carrying multipliers of 2x, 3x or 5x only appear after the sixth reel opens. In other words, half the game's upside sits behind a progression condition, and a player discovering the title is mechanically playing a poorer version than the one the paytables describe.
Two further features complete the set. The wild monkey appears in the normal game, removes low-value symbols from the grid and stays positioned where the last removed symbol sat. Ocean Spins trigger on three dedicated symbols and award 10 free spins; during that phase, treasure chest keys turn low-value symbols into wilds.
The RTP is the black mark on this sheet. Red Tiger's official page shows 95.70%, leaving £4.30 of house margin per £100 staked. SlotCatalog lists 95.07%, or £4.93. But SpinHunter above all records legacy variants reported at 94.66%, 92.73% and 90.67%. Those last two are substantial: at 90.67% the house keeps £9.33 per £100 staked, more than double the £4.30 of the official setting. They sit in the same band as the builds connected to the Daily Drop jackpots, which SlotCatalog places at 91% or 93% base RTP. We cannot assert they are the same configurations, but the order of magnitude matches.
Red Tiger publishes a hit frequency of 32.98%: roughly one spin in 3.03 returns something. That is well above the studio's older payline games — 20.27% on Lucky Halloween, 21.64% on Persian Fortune — but below its grid games (36% on Vault of Anubis, 37.63% on Piggy Riches Megaways).
The maximum win is disputed too. Red Tiger quotes 4,359x, SlotCatalog 5,000x. At official stakes of £0.10 to £50, 4,359x is £435.90 at the minimum, £4,359 at £1 and £217,950 at £50. In the United Kingdom, where online slot stakes are capped at £5 for players 25 and over and £2 for 18-24s, that same ceiling is worth only £21,795 and £8,718 respectively. Across the series, the official pages place Battle for Gold at 5,501x and Treasures of the Seas at 22,640x: the escalation from episode to episode is clear.
Release dates diverge as well: 27 February 2019 on the official page, 15 November 2018 at SlotCatalog, more than three months apart. No source documents a bonus buy on this title.









