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