Card and puzzle games are very popular, and Xubuntu has a large collection of such games for you to choose from. A list of some of the more popular games available is given below.
AisleRiot Solitaire, also known as Solitaire or Patience, is a collection of single-player card games which are easy to learn and fun to play.
KPatience is a collection of various patience games known worldwide. Games include Klondike, Freecell, Yukon, forty and Eight and many more.
PokerTH is a free variant of the increasingly popular Texas hold'em style of poker. The game offers various card decks and table designs via the PokerTH website.
Lieutnant Skat is a two player card game which follows the rules of the German game, (Offiziers)-Skat. The game includes various card decks and a computer opponent can play for any of the players.
GtkAtlantic is an open-source game client for the Monopoly™-like board games played on the monopd network.
Chess is a chess game where you can play against the computer or against other players. Chess detects and uses known third-party chess engines for computer players, and can show the chess board in 2D or 3D. There are several variants of chess available in Ubuntu Software Center.
GNU Backgammon follows the rules of the popular boardgame, and supports multiplayer games and games against computer engines as well as other online games.
KBlackBox is a logical game of hide-and-seek, inspired by emacs blackbox and played on a grid of boxes.
Iagno is a two player game in which players gain the majority of pieces on the board by tactically placing their pieces in order to turn over their opponent's pieces.
KFourInLine, or is a two player game which follows the rules of the famous Connect Four™ game. Align four pieces of the same color to win!
Mahjongg is a single-player version of the classic tile game. The objective is to select pairs of similar tiles.
Anagramarama is a fast-paced word game in which you must make as many words as possible from a series of jumbled letters. If you find the longest word possible, you can move on to the next level.
Atomix is a puzzle game where you must join up a series of atoms to make certain molecules. However, the atoms can only be moved in certain ways, making complex molecules a challenge to construct. No knowledge of chemistry is required.
Sudoku is a popular number puzzle game. Use logic to complete a grid of numbers so that each row, column and large square contains the numbers one to nine.