Each weapon has trade offs, like a higher rate of fire in exchange for
less bullet damage.
Not exact matches
This can be anything from faster fire rate, stronger
bullets, more health, quicker movement, taking
less damage per hit, and more.
So if you're brave enough to start here, you'll find the HUD completely gone,
less bullets / ammo in the world, and increased
damage, both from enemies and yourself.
Once you get into the game, you'll quickly notice the very nicely done interactive menu where you jump around into the portals you want to start your game in either «Practice» or the regular «Mission» mode, both featuring difficulty levels ranging from Easy, to Expert for both the regular and «percision» mode where you fire
less bullets, but they do much more
damage.