Easy today: 5 dominoes, 8 regions and target-sum, all-equal and less-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
EasyHint 2
EasyReveal the full Easy answer
Easy solution — December 19, 2025
blue (=5): 5 | purple (=0): 0 | green (=): 3 · 3 | amber: 6 | orange (<5): 4 | slate: 6 | teal: 0 | pink (=12): 6 · 6
Prefer to watch it worked out step by step? Try the Pips Solver.
What each region asks for
| Region | Rule | Cells |
|---|---|---|
| Blue | 5 — Be exactly 5 | 1 |
| Purple | 0 — Be exactly 0 | 1 |
| Green | = — Show the same number on every cell | 2 |
| Amber | Take any value it likes | 1 |
| Orange | <5 — Be less than 5 | 1 |
| Slate | Take any value it likes | 1 |
| Teal | Take any value it likes | 1 |
| Pink | 12 — Add up to exactly 12 | 2 |
Medium today: 7 dominoes, 8 regions and all-equal 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
MediumHint 2
MediumHint 3
MediumReveal the full Medium answer
Medium solution — December 19, 2025
blue (=): 1 · 1 | purple: 1 | green (=5): 5 | amber (=): 0 · 0 · 0 · 0 | orange (=): 4 · 4 | slate (=3): 3 | teal: 6 | pink (=9): 5 · 4
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 | 2 |
| Purple | Take any value it likes | 1 |
| Green | 5 — Be exactly 5 | 1 |
| Amber | = — Show the same number on every cell | 4 |
| Orange | = — Show the same number on every cell | 2 |
| Slate | 3 — Be exactly 3 | 1 |
| Teal | Take any value it likes | 1 |
| Pink | 9 — Add up to exactly 9 | 2 |
Hard today: 12 dominoes, 14 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
HardHint 2
HardHint 3
HardHint 4
HardReveal the full Hard answer
Hard solution — December 19, 2025
blue: 6 | purple (=3): 2 · 1 | green (=4): 4 | amber: 5 | orange (=6): 6 | slate (=9): 3 · 3 · 3 | teal (=6): 2 · 2 · 2 | pink (=7): 3 · 4 | lime: 6 | brown (=10): 5 · 5 | blue (=9): 5 · 4 | purple: 3 | green (=2): 1 · 1 | amber (=1): 1 · 0
Prefer to watch it worked out step by step? Try the Pips Solver.
What each region asks for
| Region | Rule | Cells |
|---|---|---|
| Blue | Take any value it likes | 1 |
| Purple | 3 — Add up to exactly 3 | 2 |
| Green | 4 — Be exactly 4 | 1 |
| Amber | Take any value it likes | 1 |
| Orange | 6 — Be exactly 6 | 1 |
| Slate | 9 — Add up to exactly 9 | 3 |
| Teal | 6 — Add up to exactly 6 | 3 |
| Pink | 7 — Add up to exactly 7 | 2 |
| Lime | Take any value it likes | 1 |
| Brown | 10 — Add up to exactly 10 | 2 |
| Blue | 9 — Add up to exactly 9 | 2 |
| Purple | Take any value it likes | 1 |
| Green | 2 — Add up to exactly 2 | 2 |
| Amber | 1 — Add up to exactly 1 | 2 |
