CASTLE NEBULA
YOUR MOVE
THINKING
MOVES
1. —
1. —
CAPTURED
DRAW OFFERED
COACH
TIP

LESSON
STEP 1 / 6
YOUR TURN · TAP THE GLOWING PIECE
OPENING
YOU PLAY WHITE
WATCH
1WATCH2PLAY
YOUR MOVE
PUZZLE
YOU PLAY WHITEROOKIEBETA
5:000
YOUR MOVE
CASTLE NEBULAkid-first 3D chess
TWO BOTS ARE WARMING UP THE BOARD
CASTLE NEBULA

FREE PLAY

JOURNEY · WORLD 1/8

FULL GAME

PICK A TIER

You can change it at the start of any world.

PLAY A FRIEND

HERE ON THIS DEVICE
SLOT 1PILOT
SLOT 2
SLOT 1 IS
CLOCK
BOARD

PAUSED

PAUSED — FUEL

Your game is saved right here.

THE BOT GIVES UP

CHOOSE A NEW PIECE

PASS TO PLAYER 2

The board turns to face the next player.

SETTINGS

KEYS

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CASTLE NEBULA

Kid-first 3D chess. Real rules, a kind first opponent, a journey through eight worlds, and a coach who watches every move.

Built for jesselander.com. Own engine "LATTICE" (rungs 1-8). Rendering: three.js (MIT). Rules: chess.js (BSD-2). Puzzle and opening data: lichess exports (CC0). Narration: Microsoft neural voices.

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0 / 11 DONE

OPENINGS

0 / 12 MASTERED

Watch a famous opening, then play it from memory. Three perfect runs master it.

PLAY AS WHITE

PLAY AS BLACK

NOT THIS TIME

PUZZLESBETA

SPRINT PAUSED

The clock is stopped. Ready when you are!

BOARDSBETA

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