Peptide snowfield is the seventh stage in Glucosamine Desert.
Those Guys appear as peons.
Metal Hippoe appears as the boss.
Begin by spamming Tank Cat and saving cash. When you reach the Metal Hippoe, 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. anti-Red cats such as Axe Cat can help deal with the Sir Seals and Pigges that spawn periodically.
The "S" in snowfield is not capitalized, even though it is the supposed name of a place and therefore should be capitalized.