Louisiana Purchase | Louisiana Purchase Exposition | Purchase, New York | Proof of Life | Proof | Body of Proof | Proof (rapper) | Jackson Purchase | Gadsden Purchase | Tenants Purchase Scheme | Rabbit-Proof Fence (film) | Legal burden of proof | Alaska Purchase | Rabbit-Proof Fence | Purchase price allocation | Purchase | Proof (play) | Follow the Rabbit-Proof Fence | Death Proof | Compulsory purchase in England and Wales | Zero-knowledge proof | Zero-knowledge password proof | Weather Proof | The Burden of Proof | Tenants Purchase Scheme (TPS) | Rabbit-Proof Fence (movie) | Proof-theoretic semantics | proof that π is irrational | Proof of impossibility | Proof of delivery |
The single was only available via an offer from Misfits Records where proofs of purchase had to be sent in from Osaka Popstar's Osaka Popstar and the American Legends of Punk, Balzac's Beyond the Darkness and The Misfits' Project 1950.
As such, players who purchased the Collector's Edition of the game would have to send numerous proofs of purchase to Blizzard by postal mail in order to redeem their in-game awards.