near the end, you find out that president eden is a robot, i think that is a really powerful moment, cause i really dont think anyone say that coming, and i know fallout 3 has a lot of "holy shit" moments, that has to be my favorite moment in the whole game, whats yours?

If we're talking story moments then....

My favorite was when I found out "HOLY SHIT I'm not from the Vault." Either that or the beginning when the guards tried to kill me and they help me hit 4 home runs.

My favorite would have to be getting out of the vault. My heart was really pounding. I kept trying to disable the guards by shooting their legs and running, but I eventually had to kill them or I would have died from their attacks. It all felt so--real.

Edit: I loved the part where you were put in the black and white virtual reality simulator. That was great.

My favorite moment was probably when I first found Oasis, but the game is full of awesome moments, both scripted and nonscripted.

"My favorite would have to be getting out of the vault. My heart was really pounding. I kept trying to disable the guards by shooting their legs and running, but I eventually had to kill them or I would have died from their attacks. It all felt so--real.Edit: I loved the part where you were put in the black and white virtual reality simulator. That was great."

Tranquility lane was awesome.

Favorite part  had to the Declaration of Independence mission. The robot at the end was great.