Online gamers must agree to an End-user license agreement (EULA) when they first install the game application or an update. EULA is a legal contract between the producer or distributor and the end-user of an application or software, which is to prevent the program from being copied, redistributed or hacked. The consequences of breaking the agreement vary according to the contract. Players could receive warnings to termination, or direct termination without warning. In the 3D immersive world "Second Life" where a breach of contract will append the player warnings, suspension and termination depending on the offense.