[Jun 23rd 2007] [related games & forum threads]
Beat story mode on the Hard difficulty setting.
[Jun 23rd 2007]
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Beat story mode on the Normal difficulty setting.
[Jun 23rd 2007]
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To unlock mission mode, beat the normal difficulty setting in story mode.
[Jun 23rd 2007]
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| Game | System | Cheats | Updated |
|---|---|---|---|
| Ninja Gaiden Sigma 2 cheats | Playstation 3 | 7 | Jul 18th 2010 |
| Ninja Gaiden cheats | Xbox | 17 | Aug 23rd 2005 |
| Ninja Gaiden 2 cheats | Xbox 360 | 35 | Nov 13th 2009 |
| Ninja Gaiden Black cheats | Xbox | 15 | Oct 6th 2005 |
| Ninja Gaiden: Hurricane Pack Vol. 2 cheats | Xbox | 1 | Dec 15th 2005 |
Ninja Gaiden: Dragon Sword cheats ![]() |
Nintendo DS | 5 | Nov 4th 2009 |
| Ninja Gaiden Hurricane Pack: Volume I cheats | Xbox | 2 | Aug 23rd 2005 |
| Sigma Star Saga cheats | GameBoy Advance | 4 | Aug 23rd 2005 |
| Gradius Gaiden cheats | Playstation | 1 | Dec 16th 2004 |
| Tears to Tiara Gaiden: Avalon no Nazo cheats | Playstation 3 | 1 | Sep 5th 2010 |