【多选题】Based on Bartle’s Player Types, in the following occasions, which one is included in it?
A.
Players keep on doing tasks, just to get the points of achievement and to be at the top of leader board.
B.
On the competition, players kill the opponents because the opponents said something lousy.
C.
Player find a secret path to an island, in which full of unknown and no one has been to there.
D.
When players are playing Cross Fire, he/she attack the enemies who killed his/her partner in unjust way.