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 hairstyle.
Get last gold hairstyle.
Reach 20 level and open gold tokens.
Get last bronze hairstyle.
Play 60 matches.
Get last silver costume.
Kill 50 skeletons.
Kill 50 slugs.
Get last bronze weapon.
Get last bronze costume.
Kill 50 bats.
Play 30 matches.
Dead 20 times.
Play 10 matches.