The acquisition of Bungie by Microsoft in 2000 then led to the transfer of the Oni IP to Take-Two Interactive (which owned 20% of the studio prior to Microsoft's acquisition). Since Bungie's employees were moving to the new office location in Microsoft's headquarters or leaving the company, work on Oni had to be completed as quickly as possible. Due to a lack of time to resolve issues with the multiplayer code and to finish the levels intended for use by multiplayer mode, this functionality was omitted from the released version.