Slot Specifications
Reviewed by James Mitchell · Fact-checked against Spearhead's published game data
Player Reviews
“Was killing time on my lunch break when the Stacked Symbols round on this one is stacked when it lands right. This one's proper high volatility so when it hits, it hits — worth the dry spells. Screenshotted it before I believed it myself.”
“Knew this slot could pop off eventually, and today it landed into the Stacked Symbols feature and it went off properly. This one's proper high volatility so when it hits, it hits — worth the dry spells. Told my mates in the group chat immediately.”
FAQ
What is the RTP of Book Of Spies: Mission X?+
Book Of Spies: Mission X has an RTP (Return to Player) of 96.1%. This means for every £100 wagered over a long period, the slot theoretically returns £96.10 to players. This is above the UK industry average of around 95-96%.
Can I play Book Of Spies: Mission X for free?+
Yes — you can play Book Of Spies: Mission X for free using the demo version above. No registration or deposit is required. This is a great way to learn the features before playing with real money.
What is the volatility of Book Of Spies: Mission X?+
Book Of Spies: Mission X has High volatility. High-volatility slots pay out less frequently but the wins tend to be larger. Best for players with a bigger bankroll who can weather longer dry spells.
What is the maximum win in Book Of Spies: Mission X?+
The maximum win in Book Of Spies: Mission X is ×2700000 your stake. For example, on a £1 spin, the theoretical maximum payout would be £2700000.00. Maximum wins are extremely rare and depend on optimal bonus conditions.
Who developed Book Of Spies: Mission X?+
Book Of Spies: Mission X was developed by Spearhead, released in 2020. You can see more Spearhead titles via the "About Spearhead" link in the sidebar.
Can I play Book Of Spies: Mission X on mobile?+
Yes, Book Of Spies: Mission X is fully compatible with mobile devices — it runs directly in your phone or tablet browser with no app download required.





