Bookie of Odds

Bookie of Odds, developed by Triple Edge Studios, takes the studio's own well-regarded Book of Oz and re-skins it entirely around horse racing — think jockeys, racing silks and a bookmaker character standing in for the wizard of the original. The gameplay underneath is untouched: the same 5-reel, 10-payline structure, the same 96.31% RTP, and the same core feature set that made the source game a fan favourite in the first place.

On the reels you'll find A, K, Q, J and 10 royals doing the heavy lifting as low-pay symbols, alongside three colour-coded jockeys as mid-tier wins. The standout symbol is the bookie character himself, who pays 500x your stake for five of a kind on a payline — comfortably the game's most valuable regular symbol. A book icon acts as combined Wild and Scatter, substituting for other symbols in winning combinations and doubling as the trigger for the game's bonus features.

Bookie of Odds runs two ways to chase bigger wins. The base game includes a paid Respins feature — a button beneath each reel lets you pay to respin that individual reel, with the cost calculated based on current symbols showing, giving skilled players a tool to actively chase specific combinations rather than just waiting for the reels to cooperate naturally. The bonus round itself uses the expanding-symbol mechanic the "Book of" genre is famous for: trigger it and a chosen symbol expands to fill entire reels through the feature, with the potential to build toward the game's maximum win of 5,000x stake.

At 96.31% RTP, Bookie of Odds sits comfortably above the 96% benchmark, giving players a slightly better long-run return than the genre average. Combined with its high-volatility rating, that means sessions can run cold for stretches, but the payoff — both from a well-timed paid respin and from the expanding-symbol bonus — can be substantial when it lands. Betting runs from 0.10 up to 25 per spin, keeping the game accessible across a wide range of bankrolls.

Visually it's a colourful, uncomplicated presentation rather than a showpiece, with a static background that stays consistent through base game and bonus alike — simplicity that echoes the source material rather than working against it. It won't win any design awards, but there's something to be said for a game that doesn't get in its own way visually while the reels are doing the work.

What makes Bookie of Odds worth a look even for players who've already spun its source material is the theme swap itself — horse racing is a genuinely under-served slot theme compared to the endless parade of Egyptian and adventure-set alternatives, and the timing around major racing calendar events gives it a bit of seasonal relevance that a generic re-skin wouldn't have. If you've enjoyed the classic expanding-Wild book-slot format before, Bookie of Odds gives you the same proven mechanics with a racing twist. The free demo at johnessyslots is the best way to test the paid-respin mechanic before staking real money.