Any kind of 2D game can be achieved in C2. So yes, such a game is possible to make using Construct2.
But stuff like the projectiles wrapping only top/bottom, you will have to make such a game behavior with events.
For examples on how to make most of the basic stuff in a platformer game, check the tutorials how to make a platform game
and building a platform game, a beginner's guide
and complete with checking the how do I FAQ
at the sections "Sidescroller/Platformer genre" and "Platformer behavior".
Check this documentation and most of your questions should be answered.Kyatric2012-07-11 20:56:05