Mode Suggestion: Try to Catch!

Hello everyone, I have an Idea of a new game mode that basis on Someplayers trying to catch other players, As i thought there will be a gun thats like a Batman gun in which you shoot and pull yourselft to the location.One team will try to catch the enemy and the other one tries to escape from it.Its just an idea,Which functions should be in this game? Let me have your thoughs.