I know a lot of people have been asking about tutorials in mapping, so here are tutorial links that i will put on this website about mapping and i hope it can be helpful:This tutorial is for making a train or anything that you want to move with a tracktrain entity and path_track (it is simple and easy, just follow the tutorial) http://www.gamebanana.com/cs/tuts/10641These tutorials are for spriterails and if you want to make sprites that follow you and parented items to a gun(dunno why they called it laser trails in this tutorial) http://www.gamebanana.com/css/tuts/10341 http://www.gamebanana.com/source/tuts/9729Here are some good tutorials if you want to make a secret keypad or with invisible buttons. You gys might think it is hard jsut like i thought at the beginning it is way too easy http://www.gamebanana.com/css/tuts/7696 http://www.gamebanana.com/css/tuts/4422 and also (part 1: via http://www.youtube.com/watch?v=wPcEsnOb9tQ ) and (part 2: via http://www.youtube.com/watch?v=mUmrDzRB4ho&feature=related )This is the simplest tutorial for making a door http://www.gamebanana.com/css/tuts/2296Ok, here are all those tutorials that i hope it might help you guys and also these are some helpful sites for optimizing and beginner mappers and tutorials of tophatwaffle that are very important and you guys will need if you are new mappers like me when i started mapping and learned because of these 3 links: https://developer.valvesoftware.com/wiki/Level_Design_Video_Tutorials http://www.tophattwaffle.com/?page_id=62 And most importantly the optimization that is very very important and people do not think about. Please see the new website that FirewavezZ had given me which is the second one that is really helpful and helped me learn 20% of optimization which is the ahrdest part in mapping. ***Warning***: If you are a new mapper, do never ever post your map anywhere untill someone or you optimizes it or it will cause server crashed and will lagg as fuck. http://optimization.interlopers.net/index.php?chapter=func_detail http://www.nodraw.net/2009/12/optimization-in-source-a-practical-demonstration/ (again very important link) I hope you guys enjoy these tutorials that took me long time to search and some of them i have already had and all you need to learn about hammer that is in there. Also, if you need help, add me on steam mariosoury. Thank you.