The Witcher 2: Assassins of Kings Cheats

Gameplay review is presented at this video

An easy way to make Geralt faster early on is to get one of the first warrior path skills (unlocked at level 6-7 by putting points into the Witcher path). The warrior skill allows you to dodge further distances (level 1 is %100 and level 2 is %200). When your in wide open areas or even in a deserted part of a city, pull out Geralt's sword and start rolling. This will get you wherever you want to go much faster, because if you time it right you can roll without pausing in between rolls.

Note: If you try this near guards they may start to pursue you, just put your sword away as soon as they try and they will leave you alone.

During the Prologue - Barricade mission where you have to destroy a gate by using a ballista, drop down the wall to a series of scaffold and down to the ground. You will have to fight several soldiers from the rebellion group and make way to the guarded ballista. After finishing off your enemies and cleared the square, head back further back from the ballista and look to your right beside a house and you will see a dead man dressed in a white robe with a red belt (Altair Ibnu La Ahad reference) laying face down on top of a broken hay wagon. Looking a up and there's a wooden ledge with some bird sitting around where assassin usually survey the surrounding (synchronize) and perform the leap of faith. Geralt will give a funny monologue that he commonly used in a fight that sounds

Here is a summary of choices you have to make to achieve all 16 endings.