PewPew 2

The controls consist of two on-screen virtual joysticks. The app has an interactive tutorial that helps you understand how to play, and customized settings that allow you to move and/or swap the joystick locations. The challenge lies with the virtual joysticks, which provide no visceral feedback as you play. It's easy to slide your fingers off the joystick without realizing it. The campaign mode has three levels of gameplay, but without mastery of the controls, even the easiest level is difficult.

You can upload scores to the web, but you can enter any nickname to go with your score. iPhone and iPad users can opt in to Apple’s Game Center to track scores and achievements, and for some games, challenge friends. With Game Center, players can send and receive friend requests using an email address or Game Center nickname, revealing the first and last name associated with each party’s Apple ID and, in the case of email requests, the sender’s email address.