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GNU/Linux is a free and open source software operating system for computers. I hope you enjoy this free card game.Please Read the full Rules here before posting or commenting Otherwise when it is your next turn you must take 2 penalty cards. When you only have one card left you MUST click the “1” button to announce it to the other players immediately. It is the most powerful card in the game. Last of all the wild draw 4 (+4) combines the powers of the draw 2 card (except they take 4) and the wild card. The wild card (diamond with 4 colors) can be placed at any time and allows you to change the color of play. The reverse card (2 curved arrows) reverses the play order. The skip card (circle with line through) causes the next player to skip a turn. The draw 2 card (+2) forces the next player to pick up 2 cards and forfeit their turn.

In addition to the normal cards there are “action cards”, these have special qualities. When it is your turn you can put down a card if its color or number matches the card on the top of the waste pile. The goal is to win the game, this is achieved by putting all of your cards down first. It can be played against 1, 2 or 3 opponents. 4 colors is a free online card game inspired by UNO.
