| Name | Previewer | Quote | Date |
| GameBiz.com.au (Xbox) | Brad Dodd | Implementing the current visual fad, cel-shading, XIII aims to create a stylish action game set in the comic book world. | 2003-July-15 |
| GameBiz.com.au (PC - Windows) | Brad Dodd | Spanning 8 chapters and 37 missions, XIII Promises more variety and action than its other smash hit, Splinter Cell. | 2003-July-15 |
| GenGamers.com (PC - Windows) | Alexander Deeney | In short, and assuming Ubi Soft have played their cards correctly, XIII promises to be a game that will be enjoyed by anyone searching for something a Little different. | 2003-July-29 |
| GameAxis.com (PC - Windows) | Neil Ong | Rendered with the Unreal II engine, XIII is more than capable of providing an immersive FPS experience. | 2003-August-16 |
| ComputerAndVideoGames.com | Steve Colton | Climb ladders, Dodge between makeshift shields, put paid to the plans of evil - it's all been seen before, but surely it can't just be the visual style that makes this seem so fresh? A limited play, but initial evidence suggest XIII's developer has created a shooter of real substance. | 2003-September-22 |
| WorthPlaying.com | Staff | In addition to the fancy gameplay, XIII seems to have a bit more class than other FPSs and isn’t just simply a game about Running around and killing people. | 2003-September-25 |
| WorthPlaying.com (PlayStation 2) | Thomas Wilde | When the real action hits, XIII is primed to deliver. Each of his wide assortment of weapons comes equipped with a secondary-fire mode, some of which are entertaining. | 2003-October-01 |
| GamingNexus.com (PlayStation 2) | Matt Mirkovich | With a little bit Less Than a month to go this title is looking to be one to get during the Holiday rush. | 2003-October-06 |
| GameSpy.com | Matthew Freeman | As the Story unfolds, the entire opening of the game takes on an almost menacing tone. | 2003-October-08 |
| GamersEurope.com (PlayStation 2) | Alix Barningham | The levels I played did have different aspects to them - protect so and so, escape from these people, infiltrate and explode a submarine; you know - the usual stuff. However as a game, it wasn't too fun. | 2003-October-20 |
| GameXC.com (GameCube) | Murdoc | As far as I am concerned, XIII was one of my favorite Games presented at this year’s Media event. | 2003-November |