All types of games in gambling have risks, the level of risk varies, depending on what game you play, profits, the fastest time is all based on luck.
For your question.
Example:
This is a sign, if you place a bet of $ 100 x 8.18 you can get a profit of $ 818 in the shortest time, arguably less than a minute and so on, if you place a bet of $ 1000, you just multiply the result.
As far as I know that's the perfect game for your question.
For your question.
Which of the gambling game do you think that is the fastest in bringing profit base on little time duration
As long as and as far as I know the type of game with the fastest duration to produce is the Crash game.Example:
This is a sign, if you place a bet of $ 100 x 8.18 you can get a profit of $ 818 in the shortest time, arguably less than a minute and so on, if you place a bet of $ 1000, you just multiply the result.
As far as I know that's the perfect game for your question.