Rec Room is a special area in Super Mario 64 DS. It is located in Princess Peach's Castle on the second floor on the right wing. The room features an array of drawers colored according to the character needed to unlock it by catching Rabbits. Each drawer contains a minigame and the player talks to a Toad in the room to access them.

Also located in the room is the painting of Sunshine Isles and the entrance for Goomboss Battle.