Make sure to save and again in multiple slots and never the same slot twice.* This means after doing a mission or buying an upgrade or making changes to your character or whatever. In co-op both players should save at the same time. *Remember to save often and save in multiple slots. This is also one of the best co-op games made.* If not then this is not the game for you and you should move on but you'll be missing out as it's really easy to do plus you have a great community that is willing to help you get it going. If you think you can do these tweaks then I say get it for a good sale price. *For those thinking about purchasing this game.
Just taking longer than expected to finish. New Guide updates is currently being worked on to better help everyone.
