Mars is the second planet in Cow Evolution. It is unlocked after reaching Betsy (first cow of world). Alien cows can be hatched from eggs and produce Rubies, the currency on Mars. After reaching Bully, you can unlock Pluto with 10 Diamonds.
The first egg costs 
2000 Rubies. Each time you buy a new cow, the cost will increase by 1 Ruby per new egg, but stop increasing at 4000 Rubies.
Alien Cows[]
There are 12 unique cows on Mars. The biggest one being Apocowlypse, which can be traded with The Martian for 30 Diamonds when unlocked.
Gallery[]
The six first alien cows from left to right, first row; Alien Cow, Evolved Alien Cow, Martinoos. Second row; Cowlady, Sentrimoos and Alfoos.
| v • e Wiki Navigation | |||||||
| Cows and areas | |||||||
 Earth
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| Farm |  Baby Cow •  Adult Cow •  Mootant •  Hypercow •  Mamooth •  Alpacow
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| Land |  Boveye •  Enormoos •  Cowzilla •  Moosa •  Longcow •  Dairy Daisy
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| World |  Betsy •  Uddra •  Triangus •  Cowtipede •  Mooriel •  Bahamoot
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| Universe |  Cowtlas •  Divinitits •  Mooximus •  Cowroboros •  Prismoo •  Cowseer
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 Mars
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| Mars Land |  Alien Cow •  Evolved Alien Cow •  Martianoos •  Cowlady •  Sentrimoos •  Alfoos
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| Mars World |  Bully •  Stinkzoid •  Twinnie •  Moorpheus •  Cownnectis •  Apocowlypse
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 Pluto
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| Pluto Land |  Cubicow •  Milkow •  Origamoo •  Mooleficent •  Cowboom •  Ugly Mooly
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| Pluto World |  Miny Mooo •  Polycow •  Cow-a-Bunga •  Stepludder •  Gelamoos •  Psycowdelicu'z
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| Other | |||||||
| Currencies |  Coins •  Diamonds •  Rubies •  Sapphires
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| Miscellanous |  The Martian • Cow Comedy • Dressing Room • Upgrades • Speedruns •  Moopedia •  Crate •  Tractor • Berries •  Evolution crate • Achievements •  Poop
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| Removed content | Eggs | ||||||