Easy today: 4 dominoes, 4 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
EasyHint 2
EasyReveal the full Easy answer
Easy solution — September 13, 2025
blue (=): 5 · 5 | purple (=6): 2 · 2 · 0 · 2 | green: 3 | amber (<3): 2
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 | 6 — Add up to exactly 6 | 4 |
| Green | Take any value it likes | 1 |
| Amber | <3 — Be less than 3 | 1 |
Medium today: 6 dominoes, 7 regions and all-equal, greater-than, 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 13, 2025
blue (=): 2 · 2 · 2 | purple (>4): 6 | green (=12): 5 · 4 · 3 | amber (>2): 3 | orange (=8): 6 · 2 | slate (<3): 1 | teal (=3): 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 | 3 |
| Purple | >4 — Be more than 4 | 1 |
| Green | 12 — Add up to exactly 12 | 3 |
| Amber | >2 — Be more than 2 | 1 |
| Orange | 8 — Add up to exactly 8 | 2 |
| Slate | <3 — Be less than 3 | 1 |
| Teal | 3 — Be exactly 3 | 1 |
Hard today: 16 dominoes, 16 regions and 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
HardHint 2
HardHint 3
HardHint 4
HardReveal the full Hard answer
Hard solution — September 13, 2025
blue (=11): 5 · 6 | purple (=2): 1 · 1 | green (=9): 4 · 5 | amber: 4 | orange: 4 | slate (=): 3 · 3 · 3 · 3 · 3 · 3 | teal (=2): 1 · 1 | pink (=5): 5 | lime (=): 2 · 2 · 2 · 2 · 2 | brown (=0): 0 · 0 | blue (=1): 1 | purple (=5): 5 | green (=18): 6 · 6 · 6 | amber (=5): 5 | orange (=0): 0 | slate: 4
Prefer to watch it worked out step by step? Try the Pips Solver.
What each region asks for
| Region | Rule | Cells |
|---|---|---|
| Blue | 11 — Add up to exactly 11 | 2 |
| Purple | 2 — Add up to exactly 2 | 2 |
| Green | 9 — Add up to exactly 9 | 2 |
| Amber | Take any value it likes | 1 |
| Orange | Take any value it likes | 1 |
| Slate | = — Show the same number on every cell | 6 |
| Teal | 2 — Add up to exactly 2 | 2 |
| Pink | 5 — Be exactly 5 | 1 |
| Lime | = — Show the same number on every cell | 5 |
| Brown | 0 — Add up to exactly 0 | 2 |
| Blue | 1 — Be exactly 1 | 1 |
| Purple | 5 — Be exactly 5 | 1 |
| Green | 18 — Add up to exactly 18 | 3 |
| Amber | 5 — Be exactly 5 | 1 |
| Orange | 0 — Be exactly 0 | 1 |
| Slate | Take any value it likes | 1 |
