New difficulty settings
Successfully complete the stage under the hard difficulty setting with the unlimited ammunition option or choosing a weapon. If your score penalties were low and your total score high, the very hard difficulty setting will be unlocked. Do the same under that setting to unlock the next difficulty. The order is: very hard, aggressive, dangerous, execution, hopeless, nightmare, and champion.
| Unlockable: | How to Unlock: |
| Aggressive | 22,000 points |
| Champion | 120,000 points |
| Dangerous | 34,000 points |
| Execution | 50,000 points |
| Hopeless | 75,000 points |
| Nightmare | 90,000 points |
| Very Hard | 15,000 points |
You must complete each 12 levels without using a continue to unlock. Do not confused this with the Continue at the menu screen. When you select Continue on the menu screen, look for an icon on the corner of the screen. When you see it, that means the level has been past without using a continue. There is no specific order of levels needed to be done to unlock.
Game UnlockablesMust complete the game under the different difficulties to unlock characters, items, menu, and map.
| Unlockable: | How to Unlock: |
| Armed Suit and Think Tank playble in Multiplayer Game | Complete the game on Normal Mode |
| Playable Motoko Kusanagi and Batou, and unlocking Dome Level in Multiplayer Game | Complete the game on Easy Mode |
| Three additional costumes for Motoko Kusanagi, three additional costumes for Batou, and yellow menus for Single-Player Campaign | Complete the game on Easy Mode |
| Three additional paint jobs for Tachikoma for Single-Player Campaign & Playable Tachikoma in Multiplayer Game | Complete the game on Hard Mode |
| Unlimited Ammo for the Seburo, submachine gun, assault rifle, shotgun, hand grenades, spark grenades, and knives for Single-Player Campaign. | Complete the game on Easy Mode |
