Peptide snowfield is the seventh stage in Glucosamine Desert.
Those Guys appear as peons.
Sir Seal and Pigge appear as support.
Metal Hippoe appears as a boss.
Begin by spamming Tank Cat and saving cash. When you reach the Metal Hippoes, start sending in Giraffe Cat, Sexy Legs Cat, Dragon Cat, and any cat that can perform critical hits, such as Jurassic Cat or MISS Moneko. Fast attacking cats such as Rocker Cat are also useful.