Minion Invaders

Minion Invaders is an arcade video game which the minions own. It first appears when Gru has no capital to continue the plan to steal the Moon, the minions take out everything, including jewels, furniture, and many other things along with Minion Invaders, in order to sell them to support Gru.

Trivia

 * It remains unclear how Minion Invaders was played. The machine itself resembles a Pinball machine.
 * Minion Invaders can be briefly seen when Kevin, who becomes an Evil Minion, tries to attack in Gru's Lab, which implies that it wasn't sold. It still exists in Gru's Lab as of the time when the events in Training Wheels take place.