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Stack Up — free online skill game

Stack Up

A block slides above the tower. Tap anywhere to drop it. Any part hanging over the edge gets sliced off, so your block gets thinner. Land it dead on for a perfect, and perfects in a row grow it back. Miss the tower completely and it's over. Every floor slides faster.

Signed-in players can get a lucky drop after any game

How to play Stack Up

A block slides above the tower. Tap anywhere to drop it. Any part hanging over the edge gets sliced off, so your block gets thinner. Land it dead on for a perfect, and perfects in a row grow it back. Miss the tower completely and it's over. Every floor slides faster.

A round takes about 25 seconds. Every player in a match gets the exact same challenge, and your score is worked out on our servers from your taps.

Can you win money playing Stack Up?

Yes. Practice here is free with no sign-up. When a sponsor runs a Stack Up tournament, entry is free too, and the top players win cash prizes paid in USDT or USDC. See open tournaments.

More free skill games

  • Reaction Tap · Pure reflex
  • Color Match · Beat the Stroop
  • Quick Math · Mental speed
  • Memory Match · Recall under pressure
  • Speed Typing · Fastest fingers win
  • Sweet Spot · Timing is everything
  • Odd One Out · Sharpest eyes
  • Arrow Rush · Focus through the noise
  • Number Rush · Scan and tap
  • Pattern Recall · Watch, then repeat
  • Gate Dash · Dodge through the gaps
  • Path Memory · See it, then trace it
  • Mirror Mind · Flip it in your head

Play the Daily Challenge for ladder points, or see who's top of the season ladder.

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