https://www.pcgamer.com/warframe-celebrates-its-6th-anniversary-by-giving-all-players-a-free-gift/

Warframe is celebrating its sixth—yes, sixth!—anniversary and to celebrate, Digital Extremes is dropping a freebie into your inventory later this week.

Unlike PUBG's celebratory dusty baseball cap, Warframe will be awarding its players a new and exclusive Liset Skin. There's bonus gifts for new players, too; last year's Dex Excalibur skin will be reissued, along with "all its previous anniversary gifts".