Sky Stack Rules

Every rule that decides what happens after you tap.

The Goal

Build the tallest possible tower of perfectly-aligned floors. The number of successful floors is your score. Your best result is stored in your browser and shown on the stage as BEST · n.

The Round

  • Tap PLAY. The first floor (the foundation) is already on the build site.
  • A new floor swings left and right on a crane chain at the top of the stage.
  • Tap anywhere on the stage (or press Space / Enter) to drop the swinging floor straight down.
  • The piece falls onto the floor below and lands.

Alignment & Trim

Where the piece lands relative to the floor below decides what happens next:

LandingResult
Centre is within 4 % of the floor below Perfect drop · floor keeps its full width
Piece partly overlaps the floor below Overhang is trimmed off; floor width = the overlap
Piece misses entirely (overlap ≤ 4 px) Round ends · the tower is finished
Floor would become narrower than 18 px Round ends · the tower cannot hold another floor

Perfect-Drop Streak

Three perfect drops in a row regain a small sliver of width (up to the original foundation width). It is a way to recover from earlier trims without ever exceeding the starting size — the tower never magically grows.

Tempo

The swing speed begins at roughly 110 px/s and increases by about 8 px/s per floor, capping at 290 px/s. After nine floors the camera scrolls up smoothly to keep the top of your tower in view.

Floor Bands (Heritage Cycle)

Every five floors the colour band changes through the heritage palette:

FloorsSymbolPalette
1 – 5 HaveliHaveli Sandstone
6 – 10 DomeDome Sunset coral
11 – 15 MinaretMinaret Flag green
16 – 20 ArchArch Cream stone
21 + StarStar Deep teal

Controls Summary

  • Tap stage / click stage / press Space / press Enter — start a round, drop the piece, or restart after the tower is complete.
  • PLAY / DROP / PLAY AGAIN button — the same large action button below the stage.
  • Reset Best — clears the stored personal best back to zero after a confirmation.

What Tower Rush Game Is Not

  • It is not a casino, betting, or wagering game. There are no multipliers, no cash-out, no rounds-of-chance.
  • No virtual currency is awarded, deposited, withdrawn, or simulated.
  • No prizes, rewards, or in-game purchases exist anywhere on the site.
  • The score is the floor count. That is the entire scoring system.
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