Gaming mod that would allow hidden text/communication while on game screen

Answer 1

Can you please clarify?

Answer 2

s use the Linux to get the game code and find the way to alter the points, coins and germ

Answer 3

it would really depend on the game. most "big" games, like Minecraft or call of duty, will have there own program for making mods. Or if you are talking about texting/chating with other players while in game. That would deal with the game system, like Xbox or PlayStation, or service, like Steam, you use to play.