It's a Boy!
Find all Secrets in Chapter 1 - Warhammer 40,000: Boltgun
Complete all Missions on Exterminatus Difficulty - Warhammer 40,000: Boltgun
Complete all Missions on Emperor's Mercy Difficulty - Warhammer 40,000: Boltgun
2,162/2,1621,000/1,00012/12
3,436/7,426660/1,00028/36
4,652/6,728850/1,00045/48