There are several ways to move faster and build your score quicker in Doodle Jump. The first way is to use the springs to bounce your little alien higher. You’ll also come across rocket boosters and a propeller hat that will boost you further up. Dodge obstacles Along with boosters to propel your alien to new heights, there are obstacles that add an extra challenge to the gameplay. The first threat you’ll encounter is brown platforms that break on contact, but these are a small problem. The most troubling threats are aliens and black holes.