The Keep Is Sealed
WebGL 2 is required

Solomon's Keep needs WebGL 2 (your browser's 3D graphics) to run, but it's switched off or not available in this browser.

TO BREAK THE SEAL
  1. IChrome, Edge, Brave, Opera: go to Settings → System, turn on “Use graphics acceleration when available”, then relaunch the browser.
  2. IIFirefox, LibreWolf: open about:config and make sure webgl.disabled is false and webgl.enable-webgl2 is true.
  3. IIIStill stuck? Update your graphics drivers, or try a different browser.
TEST WEBGL 2
Press Enter to try the door again