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