Book of Reindeer Review
Book of Reindeer is a Christmas book slot from Retro Gaming, played on five reels of four rows. Reindeer, sleighs and gift bags lead the paytable.
Ten lines on a taller grid
Ten fixed lines pay from left to right, with line bets from 0.01 to 10. The top symbols pay up to 1,000× the line bet.
Its configuration pays the top symbol from two of a kind, as classic book games do.
Book of Reindeer Features
The scatter wild
The wild is also the scatter. Three, four or five anywhere pay 2×, 25× or 250× the total bet and trigger 10 free spins, which can be retriggered for 10 more.
Expanding symbol
At the start of free spins one symbol is chosen as the expanding symbol. After each spin it expands to cover its reels whenever that creates a win, and it pays on all lines even when the reels aren't adjacent.
Retro Bet
Retro Bet costs an extra amount equal to the total bet and unlocks a multiplier box worth x1 to x5. Free spins triggered with it on keep the multiplier box.
RTP and maximum win
The demo is set to 95% RTP and caps wins at 1,000× the bet.
Book of Reindeer Pros and Cons
Strengths
- Classic book mechanics
- Taller 5×4 grid
- Multipliers with Retro Bet
Limitations
- 1,000× cap
- Retro Bet doubles the cost
Our Verdict
Book of Reindeer is a festive book slot on a taller 5×4 grid.
Book of Reindeer FAQs
How do free spins work in Book of Reindeer?
Three or more scatter wilds award 10 free spins with one expanding symbol; they can be retriggered.
What does Retro Bet add?
A multiplier box worth x1 to x5, for an extra cost equal to the bet.
What is the RTP?
The demo is set to 95%.
Sources and game-version notes
Information checked 1 November 2026.
RTP, lines, stake range, paytable values and maximum win were read from this demo's start-up configuration on 1 November 2026. Apart from the top symbol also paying for two of a kind, the configuration matches Book of the Jungle's, whose help files we read, so the feature rules are described from that game; SlotCatalog also lists book-style free spins with an expanding symbol and a Retro Bet. Check the help screen in this demo to confirm. The RTP shown is the demo's setting.