do you need more than one player to get the skulls in Halo 3?

[lazyfalcon14]

I need to know cause i dont have X-Box liove and i want to know if you can get skulls from doing co op. Thanks.

Gamertag is: Irishguy1213

 

[mechbasket]

You don't really need an additional players. All the skulls can be obtained alone. That's how I got them. However, legendary is a bit tough since those snipers one shot you a lot!