6×6 Picross Online — 36 Cells, Six Difficulty Levels
Six rows, six columns, 36 cells. The 6×6 format sits one step above the smallest grid on the platform and one step below where multi-line complexity begins to feel genuinely demanding. Pick your difficulty and start.
Choose Your 6×6 Difficulty
→ 6×6 Easy — zero-slack clues dominate, solves in 3–6 minutes
→ 6×6 Medium — multi-block clues, four to six cross-referencing passes
→ 6×6 Hard — full arrangement enumeration across 12 lines
→ 6×6 Expert — hypothesis technique in a 36-cell network
→ 6×6 Extreme — extended multi-cycle hypothesis solving
→ 6×6 Evil — nested hypothesis chains at maximum 6×6 difficulty
Why 6×6 Is Worth Its Own Space
The natural step from 5×5. Players who can solve 5×5 Easy reliably will find 6×6 Easy a smooth and satisfying progression. Twelve lines instead of ten, 36 cells instead of 25 — enough additional complexity to feel like a genuine step up without the technique demands that enter at 8×8.
A richer constraint network. At 6×6, the 12-line network starts producing more interesting cross-referencing scenarios than 5×5. A clue of "3" in a 6-cell line — common at Medium and Hard — produces zero direct overlap on its own, meaning progress on that line depends entirely on what the perpendicular lines provide. This dependency is a core feature of intermediate Picross and 6×6 is the first size where it appears regularly.
A practical daily format. Easy and Medium 6×6 puzzles fall in the five-to-twelve-minute range — long enough to feel like a complete solving experience, short enough to fit comfortably into a break or a session opener before larger puzzles.
6×6 Overlap Analysis — Key Numbers
With a 6-cell line, these overlap results matter most:
Clue "6" → full line filled immediately. Zero slack.
Clue "5" → slack 1 — cells 2–5 always filled. Four confirmed cells.
Clue "4" → slack 2 — cells 3–4 always filled. Two confirmed cells.
Clue "3" → slack 3 — zero overlap. Cross-referenced data from perpendicular lines required before any cells can be confirmed.
Clue "4 1" → minimum span 6, slack 0. Forced: cells 1–4 filled, cell 5 empty, cell 6 filled.
Clue "3 2" → minimum span 6, slack 0. Forced: cells 1–3 filled, cell 4 empty, cells 5–6 filled.
Clue "2 3" → minimum span 6, slack 0. Forced: cells 1–2 filled, cell 3 empty, cells 4–6 filled.
Where 6×6 Sits in the Full Progression
6×6 is the second smallest Picross format on the platform. Players working through the full size progression typically use it as a bridge:
Coming from 5×5, the extra two lines and eleven cells introduce new overlap patterns and a larger cross-referencing network without demanding techniques beyond what 5×5 has already taught.
Moving toward 8×8 Picross, the 16-line network at 8×8 requires tracking significantly more constraint interactions simultaneously — 6×6 is the last size where the full grid state remains easy to hold in mind without any written notation.
Stuck on a specific puzzle? The 6×6 Solver identifies your next step from the current clue state.
FAQ
Both are good starting points, but 5×5 is slightly more recommended for complete beginners. The overlap patterns on 5×5 Easy are more immediate and produce faster feedback on whether your technique is correct. If you've already tried 5×5 Easy and it felt comfortable, 6×6 Easy is the right next step.
The difficulty increase is moderate at Easy and Medium — more passes are required, and some clue types (particularly single "3" clues) produce no direct overlap and require cross-referencing from the start. At Hard through Evil, the additional two lines and eleven cells extend the hypothesis cycles but don't change the technique. The increase feels more significant at lower difficulties than at higher ones.
At 36-cell resolution, images are still relatively abstract — more suggestive than detailed. The reveal is cleaner than at 5×5 and shapes are more recognizable, but the detailed pixel art that makes Picross visually compelling starts appearing at 8×8 and becomes genuinely expressive at 10×10 and above.
Easy: 3–6 minutes. Medium: 6–12 minutes. Hard: 10–18 minutes. Expert: 14–25 minutes. Extreme: 20–32 minutes. Evil: 25–40 minutes. These ranges reflect solvers with solid technique at the relevant difficulty level.