Stacker! Play free

Swap. Stack. ➔ Chaos.

A quick-thinking puzzle game where one clever swap can set off a chain reaction. Challenge your friends, and chase the perfect clear.

Play Stacker Try today's Daily
  • No downloadJump in instantly
  • Solo + versusPlay your way
  • Easy to learnDeep enough to master
Scroll to swap

One move. Endless possibilities.

Move neighboring panels to line up three or more. Panels fall and new matches happen. Suddenly your tiny swap is a very big problem for somebody else.

  1. 01
    Swap

    Move two neighboring panels.

  2. 02
    Match

    Line up three or more colors.

  3. 03
    Chain

    Let falling panels trigger the next clear.

Gameplay See it in motion

Pick your pressure

Your board.
Your rules.

Warm up alone, solve something fiendish, or turn a friendly room into complete panel panic.

A colorful stack of panels bursting apart in a neon arena. 01

Solo run

Circuit

Run a wild circuit of rivals, rule twists, and escalating pressure. Start a run
Glowing puzzle panels arranged inside a futuristic machine. 02

Think it through

Puzzles

Learn the craft, tackle handcrafted challenges, and return for a fresh Daily. Solve today's Daily
Two colorful puzzle boards facing off in a high-energy arena. 03

Bring the heat

Versus

Queue for ranked 1v1, challenge the robot cast, or open a room for your friends. Pick a fight

Meet the Guides

Coaches, challengers, puzzle obsessives, and lovable weirdos live inside Stacker’s grid. They’ll teach you, test you, and absolutely comment on your technique.

Sprout, a cheerful green guide robot with a leaf antenna.
First Steps guide

Sprout

“Fresh off the line and thrilled you’re here.”

Professor Cascade, a thoughtful purple robot instructor.
Chain School guide

Professor Cascade

Chain theory, delivered one lecture per board.

The Setter, a navy and gold robot with a pencil antenna and bow tie.
Daily puzzle host

The Setter

Builds the route one handoff ahead.

Beyond the browser

More modes.
More mayhem.

The free beta is only round one. The full desktop game stacks a rival-packed Arcade tour, creative puzzle tools, co-op bosses, and rooms you can run your way on top of everything you already play in the browser.

  • Arcade Tour Fight through a stage-based campaign of rivals, star objectives, and a secret showdown.
  • Puzzle Workshop Build your own challenges, share them with a link, and raid the community’s creations.
  • Boss Fight Open a co-op room and take on a target that definitely does not fit on one board.
  • Host the chaos Custom matches with friends and fully configurable A.I. duels.

Coming soon to Steam Store page in preparation — the wishlist link lands here the moment it’s live.

The browser beta stays free to play — ranked 1v1 included — and everything in it comes along to the full game.

Play the free beta

The stack is rising

Ready to make
your move?

Play instantly. No download required.

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