Easy today: 5 dominoes, 8 regions and target-sum, greater-than 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 25, 2025
blue (=2): 2 | purple: 4 | green (=12): 6 · 6 | amber: 1 | orange (=10): 5 · 5 | slate: 1 | teal (>1): 3 | pink (<1): 0
Prefer to watch it worked out step by step? Try the Pips Solver.
What each region asks for
| Region | Rule | Cells |
|---|---|---|
| Blue | 2 — Be exactly 2 | 1 |
| Purple | Take any value it likes | 1 |
| Green | 12 — Add up to exactly 12 | 2 |
| Amber | Take any value it likes | 1 |
| Orange | 10 — Add up to exactly 10 | 2 |
| Slate | Take any value it likes | 1 |
| Teal | >1 — Be more than 1 | 1 |
| Pink | <1 — Be less than 1 | 1 |
Medium today: 9 dominoes, 10 regions and less-than, greater-than, 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 25, 2025
blue (<3): 0 · 2 | purple (>3): 1 · 3 | green (=10): 4 · 6 | amber (=5): 3 · 2 | orange (=10): 6 · 4 | slate: 0 | teal (<3): 1 · 1 | pink (=): 1 · 1 | lime (=5): 5 | brown (=): 0 · 0
Prefer to watch it worked out step by step? Try the Pips Solver.
What each region asks for
| Region | Rule | Cells |
|---|---|---|
| Blue | <3 — Add up to less than 3 | 2 |
| Purple | >3 — Add up to more than 3 | 2 |
| Green | 10 — Add up to exactly 10 | 2 |
| Amber | 5 — Add up to exactly 5 | 2 |
| Orange | 10 — Add up to exactly 10 | 2 |
| Slate | Take any value it likes | 1 |
| Teal | <3 — Add up to less than 3 | 2 |
| Pink | = — Show the same number on every cell | 2 |
| Lime | 5 — Be exactly 5 | 1 |
| Brown | = — Show the same number on every cell | 2 |
Hard today: 15 dominoes, 12 regions and target-sum, all-equal 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
HardHint 2
HardHint 3
HardHint 4
HardReveal the full Hard answer
Hard solution — December 25, 2025
blue (=6): 6 | purple (=): 2 · 2 · 2 · 2 | green (=): 4 · 4 · 4 · 4 | amber (=12): 6 · 6 | orange (=15): 5 · 5 · 5 | slate (=4): 1 · 1 · 1 · 1 | teal (=1): 1 | pink (=0): 0 · 0 | lime (=12): 3 · 3 · 3 · 3 | brown (=10): 5 · 5 | blue (≠): 4 · 3 | purple: 4
Prefer to watch it worked out step by step? Try the Pips Solver.
What each region asks for
| Region | Rule | Cells |
|---|---|---|
| Blue | 6 — Be exactly 6 | 1 |
| Purple | = — Show the same number on every cell | 4 |
| Green | = — Show the same number on every cell | 4 |
| Amber | 12 — Add up to exactly 12 | 2 |
| Orange | 15 — Add up to exactly 15 | 3 |
| Slate | 4 — Add up to exactly 4 | 4 |
| Teal | 1 — Be exactly 1 | 1 |
| Pink | 0 — Add up to exactly 0 | 2 |
| Lime | 12 — Add up to exactly 12 | 4 |
| Brown | 10 — Add up to exactly 10 | 2 |
| Blue | ≠ — Have no two cells showing the same number | 2 |
| Purple | Take any value it likes | 1 |
