Cut it level.

You're flying a hedge trimmer. Keep its blade on the yellow line as it moves along the hedge, and lift over anything that isn't hedge.

Play is six hedges, each adding one new thing. Today's hedge is one long run that's the same for everyone and changes daily.

How to play    What is Kestrel?

How to play

1. Kestrel flies forward on its own. You only control its height: drag up or down anywhere on the screen, or use the arrow buttons or keys.
2. The bar underneath it is the blade. It cuts off anything that sticks up above it.
3. Keep the blade inside the yellow band. That's the height the hedge should be. The blade turns yellow when you're there.

Cats, gnomes and pigeons sit on the hedge: lift over them. Branches and washing hang above it: stay low, on the line. Hit anything and Kestrel stops for a second. The game tells you what's coming the first time you meet each one.

A hedge trimmer that hovers.

Kestrel maps your hedge line once, then flies it: a level top and clean sides every few weeks, with nobody on a ladder. It doesn't exist yet. This game does.

Meanwhile, the notes: what we're learning about robot mowers, hedge trimmers and the AI behind them.

Paused

Level is how much of the hedge ended up within a blade's width of the line. Scalped means you cut too deep; shaggy means you left it too tall. Hits are things you flew into.

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