They have similar names but their purpose and syntax are pretty different
About the 2D engine:
- I tried making a 2D game in Unity3D but it was not so nice.
- You would have to use a 2D framework (as a plugin in Unity) to help you. I used a free one (Orthello2D) but I didn't like it much. A lot of people recommended a paid one (Sprite Manager) but I didn't want to risk buying one without knowing for sure it would fit my needs.
- Anyways you can find a good tutorial with the Orthello2D here.
Hope this helps somehow
i think i will try Orthello2d. What was the problem with orthello?
Also when making your 2d game what went wrong?