Free social slots · Fictional credits · No cash prizes · UK 18+

Kairos conducts a ribbon of light above the Lanternworks.

FREE SOCIAL SLOTS · BTACUMEN

Enter the
Lanternworks.

120 complete games. Fictional credits. Free play.

Play free

100,000 fictional Play Credits to start

Free social slots · Fictional credits · No cash prizes · UK 18+

Books of Living EmberPetals of Petrykivka
120 COMPLETE GAMES100% FREE TO PLAYUK ADULTS 18+

YOUR ACCOUNT STARTS HERE

Open a whole
lot of possibilities.

Nothing to buy or redeem. No prizes of value. Your fictional credit balance opens complete games, at a pace you choose.

How it all works
YOUR FREE ACCOUNT WELCOME100,000fictional Play CreditsTake your seat

THE CHARACTERS ARE PART OF THE PLAY

A cast with
real character.

Meet the faces behind three of our worlds.

FIRELIGHT & FABLES

Books of Living Ember

Vesper’s archive comes alive through Cinder Cascade: two dragon breaths transform symbols into spellbooks. Explore the moving Wild chapters and the full Fireproof Archive feature.

Play this game

Vesper the ArchivistFROM Books of Living Ember

Books of Living Ember game coverCinder Cascade
Kairos arranges game worlds in his illuminated workshop.

A PLAYBILL WITH YOUR NAME ON IT

The programme
you put together.

A crystal world, a woodland detour, a grand train finale? Choose three to five real games and put them in your own order. Save a private note and pick it up on your next visit.

Make your programme

A personal collection, saved to your free account. No effect on outcomes.

YOUR DAILY CREDIT GRANT

Collect your free
daily Play Credits.

Your daily fictional credit grant is available when you choose to collect it. Free really does mean free.

Open Free CreditsOr take a break
Kairos reveals a fictional copper star token in the Lanternworks.

YOUR CORNER OF THE LANTERNWORKS

Familiar feels good.

Your fictional balance, recently played worlds, saved favourites and a personal Spark Mark. Your account keeps them together.

Create your free account
Your place. Your style.

Choose a witnessed Spark Mark as your personal emblem.

Keep your favourites close.

Save a game with its heart button.

Time for yourself.

Sound off by default, reminders and firm play breaks.

A FEW THINGS WORTH KNOWING

How Btacumen works.

All questions
Is Btacumen completely free?
Free play

Yes. Games use fictional Play Credits, starting with 100,000 for a new profile. You cannot buy, sell, transfer or redeem these credits. There are no cash prizes or prizes of value.

Which games can I try as a guest?
Accounts

Books of Living Ember, The Last Sunset Train and The Seven Fruit Cabinet are complete guest games, with their normal controls and features. A free account opens the other 117 games. Guest access belongs to the current browser session and is not a recoverable account.

Try a guest game
What happens when I open a Preview?
Games

A Preview is a separate demonstration of the real game presentation. It does not spend or award your credits, record a personal round or change game progress. Demonstrated features illustrate animation and are not predictions of what your next round will do.

What should I do if a round is interrupted?
Games

Return to the same game and use its retry control. A recorded round is recovered using its saved identifier, without paying for that same round twice. If a bonus is waiting for a choice, finish it before starting a different game.

What is the difference between a reminder and a break?
Player Care

A reminder prompts you after 15, 30, 45 or 60 minutes and can be dismissed. A fixed account break blocks play until the selected end time and cannot be shortened. Activate a break directly in Player Care; sending a support request does not activate one.

Open Player Care
Set your reading lightChoose the colour around your games.
Kept on this browser.
DEMONSTRATION · NO CREDIT TRANSACTION

Preview only. Fictional credits. No cash prizes.

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