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