Vault 101 Atrium

The  is located in the Upper Level of Vault 101. Access to this room is by a stairway connecting the Cafeteria to the Atrium. The Atrium is the main room of the Vault and is used by Vault residents for large social gatherings and ball sports.

When returning to Vault 101 in the Trouble on the Homefront quest, someone has amusingly vandalized the "Thank You Overseer!" Sign in the middle of the room by replacing Thank You with "F*ck you" So in total the sign now read "F*ck You Overseer!" This is an obvious note to the disagreements to the overseer when you and your father left the vault

In the early 2260's, at Wally's birthday party, the child's game Hunt the Mutant is played on the Atrium.

Several years later, on July 13, 2268, a notice in the Cafeteria announces an upcoming baseball game on Saturday.

Later, nine years later, the Lone Wanderer chances upon Tom Holden and Mary Holden as he/she is escaping from the Vault. Mary is attempting to discourage Tom from escaping. Ignoring her advice out of desperation for freedom, Tom is killed by members of the Vault Security as he runs for the Main Entrance. Mary, seeing her husband killed, runs to her husband when she is killed herself.