Block World — a 3D world you walk around
A free 3D sandbox you play in your browser: explore a bright, blocky world in first person, jump and climb on things, break and build blocks, collect the glowing gold, and befriend the wandering bunnies. Drag to look, move with W A S D or the on-screen arrows, and press Space to jump. Block World was built by a pupil with AI in the mousecalls AI Club.
How to play
Look & move
Drag to look around and move with W A S D or the arrow keys — or the on-screen pad on a phone or tablet.
Jump & climb
Press Space (or the jump button) to leap onto crates, hills and trees — some gold blocks are up high, so you'll need to climb.
Break & build
Tap or click a block to break it, then press E to place blocks of your own — dig, stack and reshape the world however you like.
Befriend the bunnies
Hop over to the wandering bunnies and tap them to make friends — befriend them all and collect every gold block to complete the world.
Real 3D, built with AI in the AI Club
Block World is a genuine 3D game that runs right in your browser — and it was created with AI, not hand-coded, in the mousecalls AI Club. Pupils describe the world they imagine, watch AI build it live, then keep improving it over several sessions. It's how children learn to use AI creatively and responsibly, under teacher supervision.
Frequently asked questions
Is Block World free to play?
Yes. Block World is free to play in your browser, with no download, no account and no sign-in.
Is this a real 3D game?
Yes. It's a true first-person 3D world you walk around in, rendered live in your browser — not a pre-recorded video or a flat picture.
What do I need to play it?
Just a modern web browser on a computer, phone or tablet. A computer with a mouse and keyboard gives the smoothest experience.
Who made Block World?
It was built by a pupil using AI in the mousecalls AI Club, by describing the world in plain English and refining it rather than hand-writing 3D code.
Can my school make 3D games like this?
Yes. The mousecalls AI Club lets pupils build and play their own games — including walkable 3D worlds — with AI, supervised and with no student logins. See the AI Club page to learn more.
Your pupils can build 3D worlds like this
Block World was made with AI in the mousecalls AI Club — safely, with no prep and no student logins.