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