Here is the full list of all 22 Blood Bowl: Chaos Edition achievements.
Win a match without passing the ball
Win a match without suffering any injury
Succeed a pass
Kill 10 opponents during your career
Win 100 online matches
Play 50 online matches
Win 30 online matches
Play 20 online matches
Win 50 online matches
Kill an opponent
Succeed 20 passes during your career
Play 100 online matches
Succeed 10 passes during your career
Kill 5 opponents during your career
Play 3 online matches
Win an online match
Play 1000 online matches
Play 500 online matches
Win a match without letting the opponent touch the ball
Play 2000 online matches
Win 1000 online matches
Win 500 online matches