what are the lynx challenges?
['Base Lynx Skin (Tier 1)', 'Gain 10,000 XP (Pickaxe Color)', 'Gain 30,000 XP (Outfit Upgrade)', 'Gain 75,000 XP (Pickaxe Color)', 'Gain 125,000 XP (Outfit Upgrade)', 'Gain 175,000 XP (Pickaxe Color)', 'Gain 225,000 XP (Dance Emote)', 'Gain 275,000 XP (Pickaxe Color)']