Complete Blue Dog Hollow. - Back 4 Blood
Complete all Act 1 maps on Recruit difficulty or higher. - Back 4 Blood
Complete all Act 1 maps on Veteran difficulty or higher. - Back 4 Blood
512/5,46823/940/10/323/90
2,655/2,65539/391/13/311/1124/24
80/4,0125/690/10/50/65/57