Fraction Concoction

Mix wondrous concoctions by adding and subtracting fractions.

Number Bond Garden

Match pairs of orbs that add up to 10. Inspired by Sigmar’s Garden by Zachtronics.

FreeCell Solitaire

The venerable solitaire variant. Almost always winnable (>99.99%), with no hidden information or luck-of-the-draw.

Sawayama Solitaire

A reimagined version of Klondike that is faster, more strategic, and more often winnable than the original. Rules by Zachtronics.

Ark Solitaire

Save the animals by matching sets of four! A reskin of Kabufuda Solitaire by Zachtronics.

Penguin Solitaire

A skill-based, open-information solitaire invented by David Parlett. Also available as the “Tuxedo” variant with simpler rules.

Eldritch Invasion Solitaire

Evil monsters have invaded your deck! Defeat them with the power of basic addition! Originally featured in “A Solitaire Mystery”.

Hunter’s Bluff Solitaire

An asymmetric solitaire variant featuring two types of cards. Help the animals to hide, and help the hunters to organize. A reskin of Proletariat’s Patience by Zachtronics.

Shenzhen Solitaire

A FreeCell variant featuring a unique deck inspired by traditional Mahjong tiles. Rules by Zachtronics.

Cluj Solitaire

A sneaky solitaire variant where you can “cheat” and place cards wherever you want, but be careful not to block yourself off! Rules by Zachtronics.