You may already own a free copy of the if you meet any of the following criteria:
: You can save roughly 10% by purchasing the System Shock + System Shock 2: 25th Anniversary Remaster Bundle on Steam for $62.98 . Summary of Versions System Shock 2 Free Download
: If you pre-ordered the System Shock (2023) remake on Steam or GOG , you are entitled to a free copy of the remaster. You may already own a free copy of
: Backers who contributed $30 or more to the System Shock Remake campaign (Repair Bot tier and above) receive a free key. : Check your library on Steam or GOG
: Check your library on Steam or GOG ; many eligible users saw the game automatically added to their accounts upon its June 2025 release. Official Purchase Options
If you are not eligible for the free upgrade, the game is available for purchase at these retailers: