Quote Originally Posted by Siliconmaster View Post
Took me 4 hours, but I finished lightmap 16. And this morning, after finally getting the 7 on the 7th achievement, and therefore Recon (for the hell of it), I also fixed lightmap 17. Looks like 19 is another horrible one, but 18, 20, and 21 appear fairly easy to fix.
You got Recon one week before Reach is released.