Strategy
Power Up Chess
You spot a great move, you're ready to go... and now you're just sitting there while the other player thinks about it. Forever. PowerUp Chess fixes that. There are no turns at all in PVP mode! Both players move at the same time, so the board is always busy and you always have something to do. Spot a great square? Go get it — before someone else does. And then there are the power-ups. ⭐ They pop up on empty squares all through the match, and any piece that lands on one grabs it. Your rook might turn super fast and start zipping around the board. Their bishop might get frozen in a block of ice. You can give a pawn a shield so it survives anything, bring one of your fallen pieces back to life, or set off a big bomb that clears everything around it. You never know what's coming next, and neither does your opponent. Matches take about five minutes, and they always end the same way: "one more!" Here's the cool part — it's still real chess underneath. The pieces move the way they always have, and everything you learn here works in a normal game too. You're just learning it way faster, and having a lot more fun doing it. Never played chess before? Start in the Chess Academy. A friendly knight teaches you every piece and every rule, one step at a time, right on the board. It Four ways to play: - Real-time vs the computer — Easy, Medium, or Hard - Turn-based chess vs the computer — full classic rules (castling, en passant, promotion, undo) with a calmer, turn-countdown flavor of power-ups - Ranked and friendly online matches — climb the ratings or share a 4-letter code with a friend - Chess Academy — a complete Learn to Play course: every piece, check and escaping check, castling, en passant, promotion, and back-rank and two-rook mates, taught hands-on by a coach on a real board
32 plays and counting
Check in to the hotel (it's free) to play Power Up Chess and every other game on the floor.
Just visiting? Play with a visitor pass — no email needed. Or compare ways to stay.
Free to play in your browser — no downloads. Part of the Jellyfish Hotel seaside arcade.
Free to play
Every game on the floor is free for registered guests. No downloads, right in your browser.
Cloud saves
Premium guests keep their progress in the hotel safe — pick up any game on any device.
Brain breaks
A free stay pauses now and then for a quick learning question. Premium plays without them — or, with Kids Mode on, turns them into practice a parent shapes.