Castle Nebula
Kid-first 3D chess with real rules and a 20-level ladder — your Pawn Pal coaches every move and never wins. Journey through eight worlds, solve puzzles, and unlock boards and pieces with the merit you earn.
Swarms, spells, colonies, and artillery. Built with AI — some of them think back.
Choose a card below to open its game. Version details stay with each card.
Kid-first 3D chess with real rules and a 20-level ladder — your Pawn Pal coaches every move and never wins. Journey through eight worlds, solve puzzles, and unlock boards and pieces with the merit you earn.
Carve through glowing swarms, hoover up XP gems, and stack upgrades until the screen melts. The flagship — still evolving almost nightly.
Falling blocks, bent around a black hole. Spin the whole disk, clear glowing arcs before the horizon feeds, and pilot a 21-world voyage through ice, lava, and light-cycle grids.
The well runs away from you, not down the screen. Pieces fall into a shaft you look straight down, and a layer only clears when a whole floor is filled — so you are building in three dimensions at once. Spin, tip and roll each piece into place across 15 worlds.
Clear rows to break through 21 worlds of a 12-wide shaft — ice, fire, storms and gold on the way down. Relics, guardians, daily voyages and the EVENT HORIZON — no ads, no timers.
Angle, power, fire. Big bouncy blasts, destructible barriers, ammo types, repositioning tanks, alien invaders, and an upgrade shop between rounds.
You are a treasure hunter in a lost hollow where every pixel is alive: sand piles, water flows, oil burns, lava bubbles, acid eats rock and gunpowder goes BOOM. Dig for golden orbs to open the portal and follow the legend of the hidden vault deeper underground. Riddles, locked chests and a tool pack are on the way.
Found a colony of Kith on a seeded world, raise the Spire, and watch fire be discovered — then taught, then nearly lost. The Chronicle writes the saga as it happens.
Tend a colony of living creatures on a seeded world. Every seed is a different world — and every night wants your Mosslings back.
Grow a puddle of small green creatures into something the stars notice. Every seed is a different beginning.