[Fix] “Steam must be running to play” error message – Tomb Raider

To fix “Steam must be running to play” error in Tomb Raider, try this;

  • Open Windows registry editor.
  • Go to HKEY_CURRENT_USER > Software > Crystal Dynamics > Tomb Raider > Graphics
  • Edit “RenderAPI” entry.
  • Set its value to “9” (In my case, it was 0 and that was the problem).
  • Save.
  • Launch Tomb Raider.

That’s all. Enjoy 🙂

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