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