You need to buy all the maps available before you can play Team Snipers.
practice!
Unlock what head?
SNIPER ALL THE WAYYY BABY!!
If you're asking who the best Halo 3 player who frequently plays the Team Snipers playlist, I have no idea. However, if you're asking who the best sniper in Halo 3 is, then it would have to be one of the MLG pros. One of these:SnipedownNeighborHysteriaFearitselfLegitI'm probably missing some really obvious ones here, but meh.
get all the skulls easily u can you tube it also u can play multiplayer online to unlock items getting halo ODST u can unlock recon by doing the vidmaster challenges in halo odst and halo 3
Unlock it where? It's already in it by default.
You unlock the armor.
you have to complete halo 3 odst on legendary, have xbox live and complete halo 3 on legendary
There isn't a known cheat code for this on Halo 3.
Your work for them.
No
Unlock Halo 3:ODST's Campaign Complete Achievement. Once you beat the ODST campaign, visit Halo Waypoint on the dashboard to unlock the item.