QuackyardBit Flip
Flip bits until the board makes the target number: twelve levels from place values to hex, masks and shifts.
Level 1 of 12 · round 1 of 5
Four bits
Binary counts in places: 8, 4, 2, 1. A 1 turns its place on and a 0 leaves it off, and the number is the places left on, added up. Four bits hold 0 to 15.
Target
1
Your bits0 flips this round · fewest is 1
Your number
0
Your bits make 0. The target is 1 — 1 to go.
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