Easy today: 5 dominoes, 6 regions and 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
EasyHint 2
EasyReveal the full Easy answer
Easy solution — October 21, 2025
blue (=8): 5 · 3 | purple (=16): 4 · 6 · 6 | green (<2): 0 · 1 | amber: 3 | orange (>4): 5 | slate: 5
Prefer to watch it worked out step by step? Try the Pips Solver.
What each region asks for
| Region | Rule | Cells |
|---|---|---|
| Blue | 8 — Add up to exactly 8 | 2 |
| Purple | 16 — Add up to exactly 16 | 3 |
| Green | <2 — Add up to less than 2 | 2 |
| Amber | Take any value it likes | 1 |
| Orange | >4 — Be more than 4 | 1 |
| Slate | Take any value it likes | 1 |
Medium today: 8 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 — October 21, 2025
blue (=): 3 · 3 | purple (=21): 5 · 5 · 5 · 6 | green (=4): 0 · 4 · 0 | amber (=): 2 · 2 · 2 | orange (<3): 2 | slate (<3): 1 · 1 | teal: 3
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 | 21 — Add up to exactly 21 | 4 |
| Green | 4 — Add up to exactly 4 | 3 |
| Amber | = — Show the same number on every cell | 3 |
| Orange | <3 — Be less than 3 | 1 |
| Slate | <3 — Add up to less than 3 | 2 |
| Teal | Take any value it likes | 1 |
Hard today: 16 dominoes, 16 regions and target-sum, all-equal, greater-than, 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
HardHint 2
HardHint 3
HardHint 4
HardReveal the full Hard answer
Hard solution — October 21, 2025
blue (=12): 6 · 6 | purple (=4): 2 · 2 | green (=): 3 · 3 | amber (>9): 5 · 5 | orange (<2): 1 | slate: 3 | teal (=1): 1 | pink (<3): 0 | lime (≠): 4 · 2 · 3 · 1 | brown (=0): 0 · 0 · 0 | blue (=1): 1 | purple (=18): 6 · 6 · 6 | green (=): 4 · 4 · 4 · 4 | amber (=3): 3 | orange (=): 2 · 2 · 2 | slate (>4): 5
Prefer to watch it worked out step by step? Try the Pips Solver.
What each region asks for
| Region | Rule | Cells |
|---|---|---|
| Blue | 12 — Add up to exactly 12 | 2 |
| Purple | 4 — Add up to exactly 4 | 2 |
| Green | = — Show the same number on every cell | 2 |
| Amber | >9 — Add up to more than 9 | 2 |
| Orange | <2 — Be less than 2 | 1 |
| Slate | Take any value it likes | 1 |
| Teal | 1 — Be exactly 1 | 1 |
| Pink | <3 — Be less than 3 | 1 |
| Lime | ≠ — Have no two cells showing the same number | 4 |
| Brown | 0 — Add up to exactly 0 | 3 |
| Blue | 1 — Be exactly 1 | 1 |
| Purple | 18 — Add up to exactly 18 | 3 |
| Green | = — Show the same number on every cell | 4 |
| Amber | 3 — Be exactly 3 | 1 |
| Orange | = — Show the same number on every cell | 3 |
| Slate | >4 — Be more than 4 | 1 |
