The most common and most likely answer to this crossword clue is the 10 letter word BACKGAMMON
I've seen this crossword clue in Financial Times
B
A
C
K
G
A
M
M
O
N
More clues leading to the result BACKGAMMON
- Game’s second leg at start of week?
- Rubbish partners second in a game of doubles
- Meat provides end to rear game
- Bits of pork and game
- Two slices of pork or game
- Game, something cured by champion
- Support among fans with minute gone in game
- Support gent oddly taking rounds in game
- Deception by defender is a dicey game
- Champion almost injured leg for
Buddy explains!

The straight part
We know that "Game" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case game = backgammon.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does BACKGAMMON mean?
BACKGAMMON noun- A board game for two players in which each has 15 stones which move between 24 triangular points according to the roll of a pair of dice; the object is to move all of one's pieces around, and bear them off the board.
- A victory in the game when the loser has not borne off a stone, and still has one or more stones in the winner's inner home row or on the bar.
- To win at a backgammon game with the opponent having one or more pieces in the winner’s inner home row or on the bar.