Book of Oz Lock ‘N Spin

Book of Oz Lock 'N Spin is Triple Edge Studios' follow-up to their original Book of Oz release, and the family resemblance is unmistakable — the same 5x3, 10-payline emerald-world setting, the same music, and largely the same symbol set. Players who enjoyed the first game will slot straight into this one without missing a beat, but a handful of meaningful additions justify the sequel status rather than making it a straight reskin.

The headline change is the addition of a Hyperspins-style feature layered on top of the familiar book-slot foundation. For a calculated fixed cost, players can access an enhanced respin mode aimed at completing winning combinations more efficiently than simply waiting for a natural hit — a mechanic that gives more agency to players who want to actively chase specific outcomes rather than leave everything to chance. It's a subtle evolution of the original's respin idea rather than a full overhaul, but it's enough to give Lock 'N Spin its own identity.

Visually and thematically, this is still the Wizard of Oz-inspired fantasy world of the original: an emerald-toned setting populated by keys, hearts, storybook tomes and wizard characters, wrapped in the same cartoonish presentation that made the first release approachable. If you know the original Book of Oz, you already know roughly what to expect here in terms of tone and pacing — this is evolution rather than reinvention.

On the numbers, Book of Oz Lock 'N Spin actually edges out its predecessor with a 96.6% RTP, a strong figure for the book genre and a clear improvement over most competitors in the space. High volatility remains the profile, and the maximum win potential holds at 5,000x the stake — meaning the extra spin mechanics add flexibility and control rather than raising the theoretical ceiling. Betting runs from 0.10 up to 25 per spin across desktop, mobile and tablet, keeping the accessible stake range from the original intact.

The book symbol continues to function as the wild/scatter combo that unlocks free spins when three or more land in view, with the expanding-symbol mechanic doing the usual heavy lifting once the bonus round begins. Between the improved RTP and the added Hyperspins-style layer, this sequel offers a genuinely worthwhile reason to choose it over the original for anyone weighing the two side by side.

If you've already spun the first Book of Oz and fancy the upgraded version, or you're simply after a high-volatility fantasy book slot with a strong 96.6% return, Book of Oz Lock 'N Spin is worth exploring. Try the free demo at johnessyslots first, then decide whether the emerald city is worth a real-money visit.