After ODST, halo 3 is done with, after halo 3 came out, halo 2 gained no special treatment what so ever, same when reach comes out, halo 3 will be patched up every once in awhile, but there gonna be done with it, so they wont be doing much to give people recon such as contests and such, now there giving you recon if you can actually get ODST and actually get the achievements, atleast there making you work for it a little bit and not just giving it away.