Flappy Bird was a very straightforward game developed by 28-year old Dong ... I also discussed how you could make a 2D platformer in Unity in 7 minutes — though that was really only a basic ...

From Alex Mullis' awesome Unreal tutorial Both ... which may give Unity the slight edge for some. Unity really comes into its own with its support for 2D games. It is possible to make a 2D game ...