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