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Artwork 2Half-Life: Alyx is Valve’s VR return to the Half-Life series. It’s the story of an impossible fight against a vicious alien race known as the Combine, set between the events of Half-Life and Half-Life 2. Alyx Vance and her father Eli mount an early resistance to the Combine's brutal occupation of Earth.
Valve is privately held and has never officially disclosed Half-Life: Alyx's budget, unit sales, or revenue. The 'over 2 million copies' figure (as of December 2024) is press-aggregated rather than an official Valve release. The budget range is a single-source journalist estimate (New World Notes, 2020). Notably, the game drove Valve Index VR headset adoption: Valve sold ~103,000 Index units in Q4 2019 after the announcement, the headset sold out worldwide, and Alyx was free to Index owners.