yep, it is quite tuff, and also quite s h i t e.
i played thru this on xbox and took it back to trade the very same day that i bought it.
it's pathetically short and overcompensates for this by making the bosses unfairly tough (spesh the last one, aka lance henrikson) and i can't stand lazy, unfair games with little-to-no replay value so, wooosh! -- back it went!
trade it in now while it's still got a bit of trade-in value!
regards,
anephric: