Wikileaks, though technically not a wiki, provides an easy means to disseminate information that some find it desirable to share against the wishes of those who find it desirable to keep secret. Aside from the morality of the leaking itself, such a service provides a look into the activities of...
Keep on the move just like you would playing a twin-stick shooter.
Smash as many crates as you can early on to find extra health.
It's worth grinding to get the cash for your evolutions, otherwise you'll end up stuck.