对战24点-老少皆宜，寓教于乐的心算比拼 at Mac App Store analyse

24 Ever is a fun and fast-paced math game where you can challenge yourself or play matches with opponents online. Who can solve a set in the shortest time? The goal of the game is to find a way to manipulate four numbers from a set so that the end result is 24. Addition, subtraction, multiplication, or division may be used and each number must be used once. HOW TO PLAY: Tap on the first number and select the operation. Tap on the second number to finish the calculation. Continue play in this way. The matches are played in three rounds. And the player with the highest total score wins. The rounds can be played whenever you have two minutes to spare. Features: -Level Mode: There are more than 50 levels from easy to hard. You have 10 sets to solve for each level. -Timed Mode: Solve as many sets as you can in two minutes. -Survival Mode: Start with one minute and extend time by solving sets. -Multiplayer Mode: Play with other people through GameCenter. The last round has the most difficult sets, but you get double scores. -Invite Friend: Under multiplayer mode, invite your friends to join you in the game. -Coins and Items: Buy or gain coins in exchange for items that give you hints. Items can be used to remove operator that is unnecessary and do one step of calculation for you. -Skip: If the set is too hard, just skip it. However, you get a 15 seconds penalty. -Achievement: Over 40 achievements to gain as you become the master of the game. -Leaderboard: Try to beat your best record as well as rank the top in the leaderboard. -All Solvable: All sets have solutions. -Brain Exercise: Keep your mind sharp and improve your math skills. Challenge yourself and your friends in 24 Ever! Suggestions are always and sincerely welcomed. Email to [email protected]