Easy today: 5 dominoes, 5 regions and less-than, no-repeats, 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
EasyHint 2
EasyReveal the full Easy answer
Easy solution — September 12, 2026
blue (<4): 3 | purple (<1): 0 | green (≠): 5 · 4 · 2 · 6 | amber (=): 1 · 1 | orange (=10): 4 · 6
Prefer to watch it worked out step by step? Try the Pips Solver.
What each region asks for
| Region | Rule | Cells |
|---|---|---|
| Blue | <4 — Be less than 4 | 1 |
| Purple | <1 — Be less than 1 | 1 |
| Green | ≠ — Have no two cells showing the same number | 4 |
| Amber | = — Show the same number on every cell | 2 |
| Orange | 10 — Add up to exactly 10 | 2 |
Medium today: 7 dominoes, 7 regions and all-equal, target-sum 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
MediumHint 2
MediumHint 3
MediumReveal the full Medium answer
Medium solution — September 12, 2026
blue (=): 0 · 0 | purple (=4): 2 · 1 · 1 | green (=): 0 · 0 | amber (=): 3 · 3 · 3 | orange (=): 6 · 6 | slate (=3): 3 | teal (<2): 0
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 | 4 — Add up to exactly 4 | 3 |
| Green | = — Show the same number on every cell | 2 |
| Amber | = — Show the same number on every cell | 3 |
| Orange | = — Show the same number on every cell | 2 |
| Slate | 3 — Be exactly 3 | 1 |
| Teal | <2 — Be less than 2 | 1 |
Hard today: 16 dominoes, 19 regions and greater-than, 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
HardHint 2
HardHint 3
HardHint 4
HardReveal the full Hard answer
Hard solution — September 12, 2026
blue (>3): 4 | purple (>4): 6 | green (=4): 4 | amber (=): 1 · 1 · 1 · 1 · 1 | orange: 0 | slate (=6): 2 · 4 | teal (=): 3 · 3 | pink (>1): 3 | lime (<4): 2 | brown (>4): 5 | blue (<2): 0 | purple (=2): 2 | green (>3): 4 | amber (=): 3 · 3 | orange (>9): 6 · 4 | slate (=12): 3 · 3 · 6 | teal (=15): 3 · 6 · 6 | pink (>4): 5 | lime (>10): 5 · 6
Prefer to watch it worked out step by step? Try the Pips Solver.
What each region asks for
| Region | Rule | Cells |
|---|---|---|
| Blue | >3 — Be more than 3 | 1 |
| Purple | >4 — Be more than 4 | 1 |
| Green | 4 — Be exactly 4 | 1 |
| Amber | = — Show the same number on every cell | 5 |
| Orange | Take any value it likes | 1 |
| Slate | 6 — Add up to exactly 6 | 2 |
| Teal | = — Show the same number on every cell | 2 |
| Pink | >1 — Be more than 1 | 1 |
| Lime | <4 — Be less than 4 | 1 |
| Brown | >4 — Be more than 4 | 1 |
| Blue | <2 — Be less than 2 | 1 |
| Purple | 2 — Be exactly 2 | 1 |
| Green | >3 — Be more than 3 | 1 |
| Amber | = — Show the same number on every cell | 2 |
| Orange | >9 — Add up to more than 9 | 2 |
| Slate | 12 — Add up to exactly 12 | 3 |
| Teal | 15 — Add up to exactly 15 | 3 |
| Pink | >4 — Be more than 4 | 1 |
| Lime | >10 — Add up to more than 10 | 2 |
