An island adventure for ages 6–9

Grow one block into a big island!

One magic block floating in the sky: Kubi! Tap it, break it, and new blocks, chests and surprises pop out. Grow your island block by block, build a home, plant a farm and feed your animals.

  • No ads
  • No chat
  • Plays offline
Coming soonon the App Store Coming soonon Google Play

Coming to iPhone, iPad and Android.

Kubi's grown island: brick houses, a farm, a pool, a market stall and animals, with far islands in the sky
The story

Made from a child's dream

Kubi: One Block Island starts with a single magic block floating in the sky. Every stage brings new blocks, a new sky and one of Kubi's memories. No losing, no enemies, no rush.

  • 16stages and an endless adventure
  • 3pets: cat, dog, rabbit
  • 2languages: Turkish and English
Trailer

From one block to a big island

A 28-second trailer. Nothing is downloaded until you press play.

What's on the island?

A world that grows block by block

Every new block makes your island a little bigger. Here's some of what's waiting for you:

  • A single grass block in the sky with a child, a dog and the glowing magic block Kubi

    The magic block

    Tap Kubi, break it, and new blocks, chests and surprises pop out!

  • A farm with a wheat field, cows, sheep and chickens

    Grow a farm

    Plant your fields, feed your animals and gather your crops.

  • The child character with a cat, a rabbit and a dog

    Pick your pet pal

    A cat, a dog or a rabbit that follows you and sleeps in its own bed.

  • A child and a dog swimming in a blue stone-edged pool

    Swim in your pool

    Build your own pool and splash around.

  • Inside a brick house: a sofa, a fireplace, a bookshelf, a TV and a bed

    Furnish your home

    Sit on the sofa, watch TV and furnish your home your way.

  • A village full of brick houses, a market stall and neighbours

    Grow your village

    Neighbours move in and work in the fields, the bakery and the market.

  • Through the scope: a purple cloud whale floating in the sky

    Rooftop scope

    Spy far islands and the sky through the lookout scope on your roof.

  • The sky map: Home, Mushroom Forest, Candy Island, Dino Island, Treasure Cove and Bamboo Island

    Fly to new islands

    Take the cloud balloon to the Mushroom Forest, Candy Island, Dino Island and more!

  • Playable without reading

    Pictures, colours and read-aloud (Turkish and English).

  • Discovery Album

    Furniture, recipes, fact cards, costumes for Kubi and a photo mode.

  • No losing

    No enemies, no rush; play at your own pace.

For parents

Peace of mind, built in

Kubi is designed for children aged 6–9. Privacy and safety were part of the plan from day one.

  • Made for ages 6–9

    Playable without reading: pictures, colours and read-aloud.

  • No ads

    No ads at all. No analytics, tracking or third-party ad libraries either.

  • No chat, no free text

    No free text, chat or voice; only preset phrases.

  • Parental gate

    The parent panel, online settings and purchases sit behind a parental gate.

  • Play-time limits

    A daily time limit and break reminders in the parent panel.

  • Works offline

    Single-player works offline and sends no data at all.

  • Online features off

    Online features such as cloud backup are off by default and can only be turned on behind the parental gate.

  • Data is never sold

    We do not sell, rent or share data with anyone. Server data can be deleted from the parent panel.

Kubi Club (optional)

  • An optional monthly or yearly subscription: club-only islands, club rewards (costumes, decorations, photo frames) and a weekly decoration gift box.
  • Club rewards are cosmetic only; they never speed up progress.
  • The whole game can be played without a membership. The Kubi Club exists only to cover the game's server and development costs.
  • It can only be bought from the parent panel behind the parental gate; there is no free trial.

The subscription renews automatically unless cancelled at least 24 hours before the end of the current period; manage or cancel it in your store account settings.

For details see the privacy policy and the support page.