Here is the full list of all 32 Dungeonbowl - there are Knockout Edition achievements.
Play 3 online matches
Win an online match
Win a match without using teleporters
Succeed a pass
Win 10 online matches
Win 30 online matches
Win 50 online matches
Win 100 online matches
Win 500 online matches
Win 1000 online matches
Play 20 online matches
Play 50 online matches
Play 100 online matches
Play 500 online matches
Play 1000 online matches
Play 2000 online matches
Succeed 10 passes during your career
Succeed 20 passes during your career
Kill an opponent
Kill 5 opponents during your career
Kill 10 opponents during your career
Win a match without passing the ball
Win a match without suffering any injury
Win a match without letting the opponent touch the ball
Play 10 matches with the same team
Play 50 matches with the same team
Play 100 matches with the same team
Win 10 matches with the same team
Win 30 matches with the same team
Win 50 matches with the same team
Win 100 matches with the same team
Win a match without teleporting players in the dungeon