Question: how to unlock all characters in goat simulator?
Answer: Tall Goat. Collect 5 Golden Goats.
Feather Goat. Collect 10 Golden Goats to unlock this character with an amazing jumping skill.
Giant Goat. Collect 20 Golden Goats and shower everyone with water.
Space Goat. This alien goat can be unlocked by collecting all Golden Goats.
Angel Goat. ... 
Evil Goat. ... 
Queen Goat. ... 
Ripped Goat.