The thing that really makes your game stand out is your graphics, story line, location, and people u meet in game. The engine is important don't get me wrong but, Call of Duty used the same engine that made Modern warfare 2 for Modern Warfare 3\. MW2 was and is considered to be one of the best COD's out there. The difference is they spent more time in graphics and story line in MW2\. MW3 was pretty good but it lacked a lot in the story its self. Which made for a dull game. With EO4 gold it takes off a lot of caps and lets you be able to customize a bit more. But that's for someone who is really serious about building a game and getting it out there to sell it. If u really want your game to be different hire and artist or a story writer. That's what makes a game stand out more then anything anymore. EO4 does cost money but it helps u in letting you build a big world with lots of potential quest and scenery. Honestly this is a good game creator sub 100$ You can't find anything that competes with it for the money. Plus to create a game u don't have to spend hours and hours in code you can just click and place. This is just so user friendly it's not even funny. link- to the engine for COD - [http://en.wikipedia.org/wiki/IW_engine](http://en.wikipedia.org/wiki/IW_engine)
