Normal: solve the addition and subtraction equations above each ghost involving 2 numbers.Easy: type the positive and negative integers shown above falling ghosts.Press play on the game's welcome screen then select the difficulty level you wish to play: Try the game in it's own window by clicking here. You can play this game on computers powered by the Microsoft Windows operating system, the Apple OS X Mac operating system, and mobile phones like the iPhone powered by iOS or Google Android powered Samsung.
These games are rendered using JavaScript and a mobile-friendly HTML design, so they work on desktop computers, laptops like the Google Chromebook, tablets like the iPad or Amazon Kindle Fire, and mobile devices like the iPhone. Almost every game in our collection was created using a game building tool named Construct.
