The Lab is a game created by Valve specifically for virtual reality. It is a mini game collection that sees the player adopting a robot dog, fixing a robot, defending a castle, etc.
Con More a proof of concept than a full fledged game
The mini games are quite short and will not provide a whole lot of entertainment. The purpose of this title is to showcase what room scale VR is capable of (which it does well), but when considered as a game for those interested in gaming it falls a bit short.