There has to be some implied period of time for which it's fully usable.
No sane court is going to uphold an adhesion contract where someone pays $100 for a substantially multiplayer game (e.g. not Portal 1) yet the publisher is allowed to disable servers required for the game's multiplayer operation a week later because they cost money to maintain and the userbase hasn't hit targets.
No sane court is going to uphold an adhesion contract where someone pays $100 for a substantially multiplayer game (e.g. not Portal 1) yet the publisher is allowed to disable servers required for the game's multiplayer operation a week later because they cost money to maintain and the userbase hasn't hit targets.