Easy today: 5 dominoes, 6 regions and target-sum constraints. We give you a light nudge first — enough to get unstuck without spoiling the fun — and the full answer only when you ask for it.
Hint 1 — where to start
EasyHint 2
EasyReveal the full Easy answer
Easy solution — December 13, 2025
blue (=0): 0 | purple (=7): 6 · 1 | green (=7): 1 · 2 · 4 | amber (=11): 5 · 6 | orange: 6 | slate: 3
Prefer to watch it worked out step by step? Try the Pips Solver.
What each region asks for
| Region | Rule | Cells |
|---|---|---|
| Blue | 0 — Be exactly 0 | 1 |
| Purple | 7 — Add up to exactly 7 | 2 |
| Green | 7 — Add up to exactly 7 | 3 |
| Amber | 11 — Add up to exactly 11 | 2 |
| Orange | Take any value it likes | 1 |
| Slate | Take any value it likes | 1 |
Medium today: 9 dominoes, 11 regions and target-sum and all-equal constraints. We give you a light nudge first — enough to get unstuck without spoiling the fun — and the full answer only when you ask for it.
Hint 1 — where to start
MediumHint 2
MediumHint 3
MediumReveal the full Medium answer
Medium solution — December 13, 2025
blue (=2): 1 · 1 | purple: 2 | green (=9): 3 · 6 | amber (=2): 0 · 2 | orange (=1): 1 | slate (=): 3 · 3 | teal (=3): 3 · 0 | pink: 4 | lime (=): 4 · 4 | brown (=8): 3 · 5 | blue (=1): 1
Prefer to watch it worked out step by step? Try the Pips Solver.
What each region asks for
| Region | Rule | Cells |
|---|---|---|
| Blue | 2 — Add up to exactly 2 | 2 |
| Purple | Take any value it likes | 1 |
| Green | 9 — Add up to exactly 9 | 2 |
| Amber | 2 — Add up to exactly 2 | 2 |
| Orange | 1 — Be exactly 1 | 1 |
| Slate | = — Show the same number on every cell | 2 |
| Teal | 3 — Add up to exactly 3 | 2 |
| Pink | Take any value it likes | 1 |
| Lime | = — Show the same number on every cell | 2 |
| Brown | 8 — Add up to exactly 8 | 2 |
| Blue | 1 — Be exactly 1 | 1 |
Hard today: 9 dominoes, 9 regions and all-equal, target-sum, less-than and greater-than constraints. We give you a light nudge first — enough to get unstuck without spoiling the fun — and the full answer only when you ask for it.
Hint 1 — where to start
HardHint 2
HardHint 3
HardHint 4
HardReveal the full Hard answer
Hard solution — December 13, 2025
blue (=): 5 · 5 · 5 | purple (=6): 3 · 3 | green (<6): 1 | amber (=): 2 · 2 | orange: 6 | slate (>3): 4 | teal (=): 1 · 1 · 1 · 1 | pink (=): 4 · 4 · 4 | lime (>2): 6
Prefer to watch it worked out step by step? Try the Pips Solver.
What each region asks for
| Region | Rule | Cells |
|---|---|---|
| Blue | = — Show the same number on every cell | 3 |
| Purple | 6 — Add up to exactly 6 | 2 |
| Green | <6 — Be less than 6 | 1 |
| Amber | = — Show the same number on every cell | 2 |
| Orange | Take any value it likes | 1 |
| Slate | >3 — Be more than 3 | 1 |
| Teal | = — Show the same number on every cell | 4 |
| Pink | = — Show the same number on every cell | 3 |
| Lime | >2 — Be more than 2 | 1 |
