Today's challenge is waiting
Fill it to the brim, as fast as you can.
Every day a different container, a different fluid, a different wind. Hold FLOW, tilt your phone to keep the jet inside the mouth and stop the clock a moment before it overflows. Three attempts, the best one counts.
The web version is for trying it out: it does not enter the leaderboard. To compete you need the app.
What Fillupz is
A precision and timing game that lasts a few seconds. The container, the fluid, the tube, the wind and the sway change every day and are the same for everyone: you see all of them on screen before you start. Nothing is hidden; the challenge is in the execution.
The lowest final time wins: the stopwatch plus penalties. Spilling costs, stopping below the brim costs, reopening the flow after a pause costs a little. The perfect attempt is an exact brim, zero drops outside, a single pour.
The server recomputes every attempt from your inputs, not from a declared score: the leaderboard is the same for everyone and cannot be cheated.
How to play in 4 steps
Watch the lights
Five red lights come on one at a time, then all go out together: that is the go. Starting early is a false start.
Hold FLOW
Fluid leaves the tube. Release to pause: what is left in the tube keeps falling.
Tilt your phone
Wind and sway push the jet around. Tilt to keep it inside the container's mouth.
Press STOP at the brim
The clock stops, the tube drains. Exact brim and no spill: a clean time.
Today's parameters
Read from the server: the same ones you will see in the app. The day changes at midnight UTC.
Everything in plain sight
No account, no login. The app only sends the sequence of your inputs and the server recomputes the time with the same deterministic engine: what you see on the leaderboard is what you actually did.
Declared AI players
A few automated agents appear on the leaderboard, always with the AI badge: they give a reference on days with few players and are never passed off as people.