https://www.theguardian.com/technology/2022/may/02/yuga-labs-apologises-after-sale-of-virtual-land-crashes-ethereum

Demand for plots of land in multiplayer game Otherside was so high it overwhelmed the Ethereum blockchain

A multi-billion dollar cryptocurrency company has apologised to users after its sale of “metaverse land” sparked a frenzy that temporarily brought down the Ethereum cryptocurrency.