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