The folks at 10tons Ltd are so excited about NASA’s Successful landing of the high-tech lab rover Curiosity, that they’ve decided to put all of the iOS (and Mac) apps on sale for 50% off for a couple of days.

There are over 20 sale titles to choose from and Boom Brigade 2 is actually on sale for 99¢ (67% off).

  99¢
  $1.99
  $2.99