GGPO
5.8#24 in game networking middlewareFree planFree planWindows
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GGPO suits developers building deterministic peer-to-peer games where precise, frame-level input matters. It is intended for teams able to implement state saving, loading, and resimulation.
Normcore suits Unity developers building multiplayer games, social or collaborative experiences, and applications for VR, AR, or WebGL. Private deployment options may also suit organizations that need on-premises or dedicated-server hosting.