Ninja Blade Cheats and Code

Hint: Money Saver

Expend blood crystals on upgrading the big sword, whip swords, and ninja star, as the starting sword automatically upgrades to its maximum during story events in mission 8.

Unlockable: Final Ninjitsu (Ninja Magic)

Clear the game on hard difficulty (the QTE difficulty may remain on normal) to unlock the final ninjitsu

Left 4 Dead 2 Cheat and Code

Hint: Easy The Quick And The Dead Achievement

Adrenaline shots can be found on any level. Use an adrenaline shot then quickly revive a teammate 10 times for this Achievement. You can do this in certain safehouses in single player. Find a safehouse, like the first one in the Parish at the end of Act 1, and shoot your teammates until they are incapacitated. Use a shot, then quickly revive all three of them. Grab another shot and repeat this process a few times to get the Achievement.