If you’ve already played the game or just want the ultimate challenge without beating it first, you can use the on the title screen to unlock Very Hard and Revengeance difficulties immediately:
: Another reputable retailer that frequently offers Steam keys for the game. Technical Requirements If you’ve already played the game or just
If you are downloading the game, ensure your PC meets these basic specs: : 25 GB available space. OS : Windows XP, Vista, 7, or 8 (64-bit recommended). Graphics : Nvidia GeForce 9800 GTS or ATI Radeon HD 4850. Pro-Tip: Unlock Revengeance Mode Immediately Graphics : Nvidia GeForce 9800 GTS or ATI Radeon HD 4850
If you want to see the Konami Code in action and hear Raiden's confirmation, check out this quick guide: YouTube• Feb 20, 2013 or 8 (64-bit recommended).
The safest way to play is by getting the game through verified digital storefronts, which ensure you have all necessary files (including all DLCs) and automatic updates.