Can I make a flowchart for a game if I don't have mastery of a computer language?

A programmer may offer that service but you would need to send them information based on their preffered format. If you want to either hire a programmer or sell them an idea they would probably just sit downwith you and story board it. I think it will be pretty had to find someone who would jsut take random pseudocode. Most modern games would have such a diverse branch path it would be pretty hard to translate anythign you make into something they could use.

I don’t see why not. The flowchart just has to give the functionality of the game from a player’s point of view. Flowcharts are supposed to be language neutral. You might want to consider using pseudocode, which I find better than flowcharts in describing programs.

Flowcharts are plain English, the only hard part is using the right symbols.