This thesis reviews the Unity-game engine from the perspective of a beginner indie developer. The aim is to find out, why Unity is so popular with beginner indie developers and which features support them. First Unity is introduced generally. After that the most important criteria for selecting a game engine are presented and whether or not they are relevant from this thesis’ perspective is discussed. Unity is evaluated with these criteria and it is found that especially the community, tutorials and price are important reasons for Unity’s popularity in beginner indie developer community.