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I played the free weekend for Call of Duty Black Ops and I decided not to buy it.

However, now I have a folder taking up 8 GB of my SSD space in C:\Program Files (x86)\Steam\steamapps\common\call of duty black ops.

The game is not listed on my game list in steam (where I could right-click and select "delete local content")

Is it safe to delete that folder directly? Is there another folder I could delete to recover more space? Is there a way to do it from Steam (this would be preferred)?

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If you can see it in the installed programs list (Programs and Features) you can try uninstalling it there. If not, then you can safely delete the folder. – DrFish Jun 12 '11 at 22:43
@Bora, it's not listed there either – juan Jun 12 '11 at 22:46
up vote 23 down vote accepted

You can use the Steam browser protocol to uninstall it:

Deletes the specified apps' cache files.

Generally you can find the ID you need by looking at the URL of its Steam store page — for example,

Call of Duty: Black Ops' ID is 42700, so the link would be steam://uninstall/42700. Enter that into your browser's address bar or the Windows Run dialog (Win+R).

You can also pass it directly to the Steam executable as an argument:

Steam.exe "steam://uninstall/<id>"

In this case, it left behind a few files (~10 MB for me). Those can safely be deleted.

  • folder: steamapps\common\call of duty black ops
  • file: steamapps\call of duty black ops mp binaries.ncf

The multiplayer component actually has a separate ID (42710); uninstalling that ID did nothing for me, but you may want to try anyway, just to be sure.

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Nice, that worked. Where do I see the id for a specific app? – juan Jun 12 '11 at 23:12
@JuanManuel On its Steam store page, generally. It's in the URL. (Example: – a cat Jun 12 '11 at 23:15

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