No matter a players skill level, 7 Wonders makes for an easy to learn and play game. No matter if one is looking for a casual game or hardcore gaming experience 7 Wonders is versatile.
While this is true of many games, in 7 Wonders you can really hurt yourself in the early game and make mistakes that you can never fully recover from. A long term strategy is necessary from turn 1 onward if you want to succeed.