Play Blue Moon Solitaire Free Online

Blue Moon Solitaire

Blue Moon Solitaire — free online card game screenshot

Blue Moon is a Gaps variant with a different initial deal or modified gap-filling rules. The same 4x13 grid and sliding mechanic apply, but rule variations create different strategic landscapes. Named for its rarity of success — winning feels like it happens "once in a blue moon" — it's one of the more challenging Gaps family members.

What’s Different from Gaps Solitaire

A Gaps variant with a modified deal and gap-filling rules — the same 4×13 sliding mechanic, but harder, living up to its "once in a blue moon" name.

For the full Gaps rules, layout, and strategy, see the Gaps Solitaire page.

Blue Moon Tips

Apply standard Gaps strategy: fill leftmost positions with 2s, build sequences from left to right, avoid creating gaps after Kings. The modified rules may change which gaps are most valuable to fill first — adapt based on the specific variant rules.

More Gaps Solitaire

Looking for the classic version? Play Gaps Solitaire — the deep guide with full rules, strategy, and FAQ for the entire Gaps family.

Blue Moon — Quick FAQ

How is Blue Moon different from Gaps Solitaire?

A Gaps variant with a modified deal and gap-filling rules — the same 4×13 sliding mechanic, but harder, living up to its "once in a blue moon" name.

How does Blue Moon differ from standard Gaps?

Blue Moon modifies the dealing or gap-filling rules to create a harder or differently structured puzzle. The core sliding mechanic and row-building goal are the same. The difficulty increase reflects the "blue moon" rarity of winning.