Top Secret · Pay-As-You-Play

Load Your Detective Vault

No subscriptions, no surprise billing, and credits NEVER expire.

Every new sponsor account starts with 20 free welcome credits — 4 full weekly assignments on the house.

1 claimed stamp = 1 credit.

A full weekly Field Assignment requires just 5 credits to complete.

Credits never expire — play at your own pace.

Credit Packs

One simple set of flat rates — for families, schools, Scouts and stamp clubs alike.

Pocket Pack

£5.00

200 Credits

  • 40 weeks of play for 1 child
  • Or 2 weeks for a club of 20
  • Credits never expire
Sign in to buy

Most Popular

Case Cracker

£10.00

400 Credits

  • 20 weeks of play for 2 kids
  • Or 4 weeks for a club of 20
  • Credits never expire
Sign in to buy

Master Vault

£20.00

800 Credits

  • Best value for schools and groups
  • Covers whole terms
  • Credits never expire
Sign in to buy

One Vault, Every Detective

Parents and club leaders can create as many kid profiles as they need — profiles are always free. Every detective safely shares from this one central credit vault, so there is nothing to manage per child and nothing extra to pay when your squad grows.

Frequently Asked Questions

How do credits work?

1 claimed stamp = 1 credit. A full weekly Field Assignment has 5 stamps, so it costs just 5 credits to complete.

Do credits expire?

Never. Buy a pack once and use it at your own pace — there are no subscriptions and no surprise billing.

Do my children need email addresses to play?

No. Only the adult (parent or leader) signs up with an email address. Kids log in safely using screen names or direct access codes.

What do I get when I sign up?

Every new sponsor account starts with 20 free welcome credits — 4 full weekly assignments on the house.

How do I buy credits?

Sign in to your Sponsor Office, pick a pack above, and pay securely by card. Credits are added to your vault automatically as soon as payment completes.

Can I get a refund?

Yes — we offer a 30-day money-back guarantee on every credit pack. Just email us and we will sort it out. See our Refund Policy for details.