posted 05-04- 04:49 AM
hehe, I haven't seen a 75 mission campaign yet... 
I'm no campaign expert, but I've made a few campaigns up 'til now, and it just depends on your imagination. However, if you're making the campaign historical, then pick out the important points and base your missions around them.
Most of my campaigns have around 10 missions, sometimes more, or less, depends on how far you wanna go. You can also try your hand at "semi-dynamic" campaigns whereby the player is told (in the debriefing) which mission to play next depending on whether he/she won or lost the previous one. This is not easy though, and you can get carried away quickly if you're not careful. I made a campaign like this called the "African Invasion Campaign" and it had 10 missions plus a strategy guide.
To answer your question about whether six missions is enough, I also made a five mission campaign once.

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[This message has been edited by Harman_5 (edited 05-04-2001).]