Rowan keeps three slot worlds behind the counter: mail balloons over the forest, a busy sorting room and a sleepy night train. Balloon Post opens on a guest pass, and every coin you play with is free.
Striped mail balloons lifting off over an amber forest, each basket heavy with parcels. It opens on a guest pass, and its free round gains height spin by spin.
Tick that you are 18 or over and in the UK, accept the terms, and Balloon Post is yours for two hours. Rowan asks for no email and no password.
A free account opens the Sorting Room and Night Mail and starts with 100,000 coins. Coins from your guest pass are delivered into it too.
Create a free account
A towering wooden sorting room under green lamps, pigeonholes crammed with envelopes. Winning letters are filed away and fresh ones tumble down at a rising multiplier.
Unlock with a free account
A tiny red steam engine pulling glowing mail carriages over a viaduct under the moon. When a spin comes up empty, the Moon Postmark wilds stay on board while the rest go round again.
Unlock with a free accountTwo ticks at the counter, 18 or over in the UK and the terms, open Balloon Post straight away.
Pick a stake, spin, and watch for the scatter that starts the free round in each world.
When you want the other two rooms, a free account takes a nickname, an email and a password.
Each world was run for a very long stretch of simulated spins, and these are the figures that came back.
| Counter | No. of lines | Extra | Temper | Coin RTP % | Winning spins | Free-spin frequency |
|---|---|---|---|---|---|---|
| Balloon Post | 25 | Rising Thermals | Guest pass | 97.7% | 34.9% | 1 in 135 |
| Sorting Room | 20 | Filed Away | Volatile | 97.3% | 34.4% | 1 in 130 |
| Night Mail | 25 | Overnight Hold | Gentle | 96.4% | 48.3% | 1 in 108 |
Every figure on this sheet was measured across 5,000,000 spins of the machine’s own code. It applies to free coins at the post office only and is no guide to gambling for real money.
Rowan locks the counter for a tea break every so often, and you are welcome to do the same. Set a session reminder, take a pause, or close the shutters for a while from your account. The National Gambling Helpline is free and confidential on 0808 8020 133, any time of day.
How Rowan helps you keep play in proportionTick that you are 18 or over and in the UK and accept the terms. Balloon Post opens for two hours with free coins and no email or password.
No. There is no shop, no deposit and no in-app purchase anywhere on the site. Every coin is given away free.
No. Coins have no real-world value, cannot be bought, sold or withdrawn, and there are no prizes of any kind.
Yes. Open a free account during or after your guest pass and your coins arrive in it, on top of the 100,000 every account starts with.
No. Orbit Zen Play Quick plays in the browser on your phone, tablet or computer, with nothing to install.
Adults aged 18 or over who live in the UK. Accounts and guest passes both ask you to confirm this.
Orbit Zen Play Quick is only for adults aged 18 or over. All play uses virtual coins with no monetary value, and nobody can buy, sell, withdraw or exchange them. The post office has no coin shop, you won’t find a payment page anywhere on the site, nothing of real-world value is handed out as a prize, and doing well here does not imply you would succeed at real-money gambling.
Want to talk about gambling? Help is free and confidential: National Gambling Helpline 0808 8020 133, open 24 hours a day · BeGambleAware · GamCare · How we look after play
Your three worlds draw from a single balance. Register for free and all of them open; your coins, favourites, level and daily missions are kept on file between visits.
Not sure yet? Collect a guest pass for Balloon Post; we won’t need your email.