A scratchcard (also called scratch off, scratch game, scratch ticket, scratcher or scratchie) is a small piece of card where an area has been covered by a substance that cannot be seen through, but can be scratched off. Under this area are concealed the items/pictures that must be 'found' in order to win. It is a form of gambling. Slot machines in Las Vegas, Nevada. ...

Simple scratchcards require the player to match three (or varying numbers) of the same prize amounts. If this is accomplished, they win that amount. More complicated scratchcards have several different ways to win on one card. Other scratchcards involve matching symbols, pictures or words, or are adaptions of popular (card-)games like Blackjack, Poker or Monopoly. Blackjack! The face cards (Jack, Queen, and King) count as 10 points, and the Ace counts as 1 or 11. ... Poker Room at the Trump Taj Mahal Poker is a card game, the most popular of a class of games called vying games, in which players with fully or partially concealed cards make wagers into a central pot, which is awarded to the player or players with the best combination... It has been suggested that coercive monopoly be merged into this article or section. ...

There are also online versions of the same game which utilize Flash and Java to simulate the experience on a computer. // Online Scratch Cards Online scratch cards are the online version of lottery scratch cards. ... Macromedia Flash, or simply Flash, refers to both the Macromedia Flash Player and to a multimedia authoring program used to create content for this platform (such as games and movies). ... Java is an object-oriented programming language developed by James Gosling and colleagues at Sun Microsystems in the early 1990s. ... The IBM ThinkCentre A Series is a popular line of computers. ...

Scratchcards are a very popular form of gambling due to their low cost. You can also win instantly as opposed to waiting for a drawing like many lotteries.

The low cost to buy a scratchcard is offset by the smaller prizes and lower expected value, compared to casino jackpots or lottery wins. There is a trend towards more expensive scratchcards (20-30USD) that have prizes in the millions of dollars. In probability theory (and especially gambling), the expected value (or mathematical expectation) of a random variable is the sum of the probability of each possible outcome of the experiment multiplied by its payoff (value). Thus, it represents the average amount one expects to win per bet if bets with identical... The Trump Taj Mahal in Atlantic City, New Jersey. ... A lottery is a popular form of gambling which involves the drawing of lots for a prize. ...

The other recent change in scratchcards is the increasing attempts to predict which cards have prizes. In the past, scratchcards have been a random impulse purchase. Now, there are amateur and professional efforts to track the number of prizes won and cards sold so people have access to the current odds on all the games available.