The Infiltrator is a hybrid class, and combines the combat abilities of the Soldier with the tech abilities of the Engineer. RELATED: 10 Things You Should Know Before Starting Mass EffectĮach class has different abilities, and thus requires different levelling and attention to different areas of gameplay. The other classes are hybrids of these three. There are three 'pure' classes, Soldier (combat), Adept (biotics), and Engineer (tech).

While Shepard is always a human, Mass Effect 3 has a variety of classes suited for a wide range of play styles.