Game captain takes control here (6)
I believe the answer is:
bridge
'game' is the definition.
(card game)
I can't explain the remainder of the clue.
Can you help me to learn more?
(Other definitions for bridge that I've seen before include "Pontoon is one" , "One on the fiddle" , "pontoon, perhaps" , "spanner" , "Card game - pontoon - couple" .)