Finally have an Xbox One!
Maim 100 limbs. - Dead Island 2
Slay 25 zombies using finishing moves. - Dead Island 2
Complete any 5 quests in co-op. - Dead Island 2
60/2,49250/1,1505/51
100/1,071100/1,0001/10
3,151/3,1513,000/3,00025/25