Easy today: 6 dominoes, 9 regions and target-sum, all-equal 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
EasyHint 2
EasyReveal the full Easy answer
Easy solution — December 16, 2025
blue (=0): 0 | purple (=1): 0 · 1 | green (=): 3 · 3 | amber: 3 | orange: 2 | slate (>3): 4 | teal: 2 | pink (=8): 5 · 3 | lime (=6): 6
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 | 1 — Add up to exactly 1 | 2 |
| Green | = — Show the same number on every cell | 2 |
| Amber | Take any value it likes | 1 |
| Orange | Take any value it likes | 1 |
| Slate | >3 — Be more than 3 | 1 |
| Teal | Take any value it likes | 1 |
| Pink | 8 — Add up to exactly 8 | 2 |
| Lime | 6 — Be exactly 6 | 1 |
Medium today: 7 dominoes, 8 regions and target-sum, all-equal, less-than and no-repeats 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 16, 2025
blue (=3): 3 | purple (=): 0 · 0 | green (<2): 1 | amber (<5): 4 | orange (=): 1 · 1 | slate (≠): 4 · 6 · 1 · 5 | teal (=3): 3 | pink (=): 5 · 5
Prefer to watch it worked out step by step? Try the Pips Solver.
What each region asks for
| Region | Rule | Cells |
|---|---|---|
| Blue | 3 — Be exactly 3 | 1 |
| Purple | = — Show the same number on every cell | 2 |
| Green | <2 — Be less than 2 | 1 |
| Amber | <5 — Be less than 5 | 1 |
| Orange | = — Show the same number on every cell | 2 |
| Slate | ≠ — Have no two cells showing the same number | 4 |
| Teal | 3 — Be exactly 3 | 1 |
| Pink | = — Show the same number on every cell | 2 |
Hard today: 13 dominoes, 15 regions and no-repeats, greater-than, target-sum, less-than 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
HardHint 2
HardHint 3
HardHint 4
HardReveal the full Hard answer
Hard solution — December 16, 2025
blue: 3 | purple: 6 | green (≠): 4 · 3 | amber (>4): 5 | orange (=2): 1 · 1 | slate (=2): 2 | teal (<4): 3 | pink (=): 0 · 0 · 0 · 0 · 0 · 0 · 0 | lime (<6): 5 | brown: 6 | blue (>3): 6 | purple (=): 4 · 4 · 4 · 4 | green (<2): 1 | amber (=2): 2 | orange (<3): 2
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 | Take any value it likes | 1 |
| Green | ≠ — Have no two cells showing the same number | 2 |
| Amber | >4 — Be more than 4 | 1 |
| Orange | 2 — Add up to exactly 2 | 2 |
| Slate | 2 — Be exactly 2 | 1 |
| Teal | <4 — Be less than 4 | 1 |
| Pink | = — Show the same number on every cell | 7 |
| Lime | <6 — Be less than 6 | 1 |
| Brown | Take any value it likes | 1 |
| Blue | >3 — Be more than 3 | 1 |
| Purple | = — Show the same number on every cell | 4 |
| Green | <2 — Be less than 2 | 1 |
| Amber | 2 — Be exactly 2 | 1 |
| Orange | <3 — Be less than 3 | 1 |
