LACUNAFind where
the gap
belongs.
Take a small turn ↗Three pieces. One place.
The pieces
Three pieces, one place.
Quarter turns
A turn changes
the answer.
The same edge can face a different way. Follow each piece until its outline fits.
Negative space
Read what
is missing.
An empty corner is a clue, too.
Your turn
Your next
small turn.
Turn all three pieces to match their dotted outlines. Each click makes one clockwise quarter turn.
0 moves
Enable JavaScript to turn the pieces.
The field
A field of possibilities.
The controls
Keep the controls simple.
Click or tap
Choose any piece to turn it clockwise.
Tab, then Enter
Space works too. Focus always stays on the piece.
Begin again
Reset restores the same starting arrangement and clears the move count.