Mordecai playing rock paper scissors

Since Benson, and Muscleman were kicked out of the hotel, Mordecai, and Rigby stayed until tomorrow morning. When they got to the parking lot however, something surprised them

Mordecai: Great. Muscleman got his car back.
Rigby: I think it was Benson's.
Mordecai: Who cares dude? We don't have a ride to get to that game store, and we'll never get Sonic Forever!
Rigby: I don't think we don't have a ride.
Mordecai: What makes you say that?
Rigby: That Viper they showed up in is here.
Mordecai: And they left the keys over there *Gets car keys*
Rigby: Alright. Let's start this thing.
Mordecai: *gets...