Sony begins offering PS4 digital game pre-orders through PS3 store

Sony Computer Entertainment started offering pre-orders for two digital PlayStation 4 titles today, Knack and Warframe.

Both downloadable games are currently available for pre-order on the Sony Entertainment Network store and PSN, which can be accessed via the PlayStation 3. Sony announced on Twitter that Knackand Warframe are the first two pre-order offerings, with more PS4 titles being made available in the coming weeks.

Knack is priced at $59.99 and Warframe is being offered for free.