Here is the full list of all 17 Beater Spirit achievements.
Get last gold hairstyle.
Reach 20 level and open gold tokens.
Kill 50 slugs.
Get last bronze weapon.
Get last bronze costume.
Get last bronze hairstyle.
Play 60 matches.
Get last silver weapon.
Play 30 matches.
Kill 50 skeletons.
Kill 50 bats.
Dead 20 times.
Play 10 matches.
Get last silver hairstyle.
Get last silver costume.
Get last gold costume.
Get last gold weapon.