iPhone (10000 programs)

Pros: There is absolutely no payment required to download and install this game. Players can choose from a number of different characters and skill sets.

Cons: Not compatible with older mobile phone operating systems. Some users have reported glitches and other bugs in the latest version.

Pros: Fun original concept. Teaches you a bit of DOS and UNIX. Absorbing.

Cons: Some bad language. Too easy to crack puzzles. Puzzles can be very hard.

Pros: Immersive gameplay. Diverse roster of heroes. Strategic depth and light-hearted storytelling.

Cons: Steep learning curve. Difficulty spikes. Repetitive gameplay.