Sevens (card game) from 1 to 20 in four (in some editions three) colours. It is marketed in Germany by Ravensburger. In this game three fourths of the cards remain in the stock, players can play as many cards as they want in one move, and players who cannot play at least one card must draw up to three cards. The score of a card is its face value. The rulebook distributed with the game describes two variants (one permitting each colour to be started with 10 or 12 instead of 11, and one that is similar to the French card game "Domino")
Viewpoint (card game) a card like Shared Perspective is worth 20 View-points because it allows every player to draw a card. Typically, the higher-value, lower-impact cards only allow players to draw cards or make other players discard cards and the lower-value, higher-impact cards allow players to take extra turns or significantly reduce an opponent's total points. Therefore, it is sometimes advantageous to play lower-value cards because they might provide a significantly greater advantage over the course of the game. The strategy of weighing up a card's impact against its value throughout the game is known as the "value-proposition strategy" and is most-commonly used