Yet across the game's seven-year run, two skins have been sought after above all else – Renegade Raider and ... Aerial Assault One Glider and Raider's Revenge Pickaxe available to nab.

Aerial Assault One Glider – 500,000 XP Aerial Assault Trooper Outfit – 1,000,000 XP Renegade Raider Outfit – 1,500,000 XP Raider’s Revenge Pickaxe – 2,000,000 XP Once you have enough XP ...