2:34 [16-Bit;SNES]The Only Thing I Know For Real - Metal Gear Rising Revengeance(MMX3 Style | COMMISSION) 2:26 [GBA]The Only Thing I Know For Real - Metal Gear Rising Revengeance【MMZ3 Style】 2:27 The Only Thing I Know for Real (Maniac Mix) | Metal Gear Rising: Revengeance (Soundtrack) 5:16 Metal Gear Rising: Revengeance - The Only Thing I Know For Real (Samuel Boss Battle) Extended 3:35 The Only Thing I Know For Real (Original Mix with Maniac Vocals) 3:34 The Only Thing I Know For Real 5:45 Why My Knife Will Cut Through Nails And Yours Can’t - THE TRUTH is not what you think. 3:33 Listening to Metal Gear Rising: Revengeance OST be like: 4:23 The Only Thing I Know for Real (FE8 GBA Soundfont) - Metal Gear Rising: Revengeance Remix 2:27 Metal Gear Rising - The Only Thing I Know For Real (Cover by Little V) 3:18 The Only Thing I Know For Real (Blancblack Mix) 9:14 Metal Gear Rising: Revengeance - The Only Thing I Know For Real (Alternative Edit) 4:05 The Only Thing I Know for Real (Crossing Blades Mix) 2:19 [16-Bit;Genesis]Rules of Nature - Metal Gear Rising Revengeance(COMMISSION) 2:20 The Only Thing I Know For Real - Metal Gear Rising:Revengeance (8-Bit Version) LBP 3 2:10 MGR: Revengeance / The Only Thing I Know For Real (Original) COMPLETE 3:55 The Only Thing I Know For Real | Metal Gear Rising | Cover by GO!! Light Up! 2:27 Metal Gear Rising: Revengeance Vocal Tracks - The Only Thing I Know For Real [Instrumental] 9:13 Metal Gear Rising: Revengeance - The Only Thing I Know For Real (Special Edit)