Publisher Deep Silver has announced that it has now shipped 1m units of console and PC hit Dead Island in the US.
Furthermore, it expects to have shipped 2m units of the game worldwide by the end of the week.
"We're thrilled at the retail reception Dead Island has achieved in its first few days," Deep Silver COO Geoff Mulligan stated.
"The critical 'first week' of game sales has been an enormous sales success for Deep Silver. We're working quickly with our distribution partner in North America, Square Enix, to restock shelves as quickly as we can."
Dead Island is current the UK No.1 – a first for publisher Deep Silver in the territory.