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Image by Carl Raw

Socialiser:

wants to interact with others, explore and play collaboratively but doesn't like "challenges"

Explorer:

wants to look around, research, find out and gain knowledge

Achiever:

wants to achieve success and achieve something specific

Killer:

wants to win, "outdo" others with their high scores and will only collaborate to achieve his/her own goals

 
Image by Giu Vicente
 
Image by Luke Chesser
 
Image by Science in HD
 
Image by Annie Spratt