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Book of Aztec Bonus Buy Demo

Book of Aztec Bonus Buy slot cover art
Play for real money
Our score
6.8/10
RTP
—Not confirmed
Volatility
High
Max win
—Not published
Grid
5×3
Lines
10

Book of Aztec Bonus Buy Review

Book of Aztec Bonus Buy is the classic book game set in the Aztec Empire, with the bonus for sale.

5×3 grid

Book of Aztec Bonus Buy plays on a 5×3 grid with 10 fixed lines, paying from left to right.

Book of Aztec Bonus Buy Features

Book

The book is wild and scatter, paying for three, four or five anywhere.

Bonus spins

Three or more books award 10 bonus spins with a random expanding symbol (never the book). Spins can be retriggered.

Bonus buy

The bonus can be bought; GrandX doesn't state the price.

RTP

GrandX doesn't list an RTP for this game, so it is unconfirmed here. Amatic games can run at different RTP settings; the game's info screen shows the one in use.

Book of Aztec Bonus Buy Pros and Cons

Strengths

  • Bonus buy
  • Expanding symbol
  • High volatility

Limitations

  • Only 10 lines
  • No published RTP

Our Verdict

Book of Aztec Bonus Buy is for players who want the book bonus without waiting; Book of Aztec Select lets you choose the symbol instead.

Book of Aztec Bonus Buy FAQs

Can the bonus be bought?

Yes.

How many lines does Book of Aztec Bonus Buy have?

10 fixed lines.

What is the RTP?

It isn't published on GrandX; check the info screen in the game.

Sources and game-version notes

Information checked 1 November 2026.

Layout, lines, volatility and feature rules come from the game's page on GrandX, Amatic's online casino brand, checked on 1 November 2026. The page doesn't state an RTP, so it is marked unconfirmed; check the info screen in the demo.