D. Teuber

A solitaire where you combine the diamonds suit and black suits to make a black diamond.

A solitaire game pitting the club suit against the rest of the deck.

An in-hand puzzle in four hexagonal cards

An in-hand puzzle in two octagonal cards

An in-hand puzzle in four square cards

An in-hand puzzle in just three triangular cards

Triangular In-Hand Puzzles

A flip & write where a player's point of view matters.

Modern solitaires themed around the Major Arcana

A logic puzzle in 9 cards

A letter-hopping word game