Splinter Cell Chaos Theory Walkthrough
Lighthouse - Getting To the Lighthouse
You're by a tent now. Stay in the dark on the right. Wait for the guard to walk away from the light and then go straight past the light to the second tent and scan the crate in there. Cut the material and sneak out the back. Move quietly to the lit doorway and go right, left to an open room. There's a crate over to the left here. "That's four of the five crates, Sam."
Wait for the guards to finish talking - go around the corner and behind a bunch of boxes. Get up the long stairs to a platform above the room area. At the top of the stairs, go left to see two guards near a fireplace. Just go past them to the left. Go left then right to a catwalk area - go slowly across the top up to the light arae. Wait there while the guys chat. "Lacerda's long gone." Go to the light in the room and get the computer, wipe the computer. The guard doesn't even notice. Now go around behind him to the next room.
To the right are 2 guys talking. Sneak left down the stairs. The last crate is in this area with cannons, around to the right.
Keep going down the stairs. Go past a guy that is welding. Tuck yourself into a dark corner by the lighthouse. There's a guard coming towards you on the path here. Wait for him to face you on the bridge and then head back on his rounds again. You have to be patient, he'll hang out for a little while.
Listen to the radio guy at the bottom of the lighthouse, and you overhear about Maria Narcissa - a cargo ship. Keep going up the long circular staircase. You now need to signal for a helicopter pick-up at top of lighthouse with the light out.
You get a medkit halfway up if you need it, although really you should have no interaction at all until now. Go up to ladder. Hang on the wall until the guard isn't looking, then climb up and quickly leap across to the other side of the gap and hang on that side facing the glass until it's safe again.
Jump across to the outside when you can and hang out on the outer rim, go around to a clear spot - you can jump up and grab him and pull him over the edge.
Note that it is REALLY cool to do this but you only get 98% complete by killing him. If you just knock him out, you get the full 100%.
Take out the light - (both halves) and can now call to extract.
Splinter Cell Chaos Theory Walkthrough