Monsters vs Aliens

During the second part of Chapter 1, you'll be controlling The Missing Link. If you grab enemies with the B button, and then use the RT to fire that enemy at others, you get more level score and DNA points. However, there's one part you can boost this. Later on in The Missing Link's first level, where you're prompted to do two Leap Attacks, just keep killing the enemies on the circular platform until the achievement pops, by using the press-X attack or the press-Y attack. Once you've done this, continue killing enemies without the Leap Attack, as you can also go for the two following achievements: