Help with a game

[Roki]

So, how would I go about making a game like Grezzo 2 using the duke engine but I'm planning it to be based around British politics, what software must I install to create this project?

[TheNoob_Gamer]

Although you are asking about Greezzo 2 - a Doom-related game, you are asking to make a game based on it, on another game engine.

Thus I recommend you to post this either on https://forums.duke4.net/ or on this site's "Everything Else" subforum for more attention.