I've made a campaign: "A Dungeon Keeper - New Game+". It is the original bullfrog campaign, tweaked for for experienced players.
The levels have received minor tweaks to make them interesting again. A slight increase in difficulty, but still below that of "The Deeper Dungeons".
Requires KeeperFX nightly build 1466 or newer. People using the full version should use 0.4.6 or newer. This because it uses the new keeperfx script commands.
What's different from the original campaign:
• Tutorial levels streamlined for experienced players: Faster, no tutorial messages.
• Additional hero’s added in first few levels. Not to increase difficulty, but to at least include a fight.
• Boosted all rival keepers with the best AI, a dungeon to start out with and a prison. This to compensate for the lack of a brain.
• Transfer creature special is no longer ‘easy mode’. The first 7 levels assume you transfer a creature when available; the other levels have the transfer special removed or only accessible by earning it.
• The two secret levels with the ‘Rogue Imps’ now truly have Rogue imps. It will take a skilled player to get complete them, and the reward is reduced.
• Small tweaks to the levels to prevent the player cheesing through. Starting on level 7, expect to be challenged.
• In level 16 and 18 the player is rewarded for taking the second portal.
To install extract the archive to your KeeperFX installation directory.
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I've played through it myself a few times, and I'd love to hear feedback: Not just on what you like or dislike, but also if the levels seem to play out like they should. Keepers act out differently every time, and I can only play-test so much.
I will update the file when people have issues.
Personally I was surprised how enjoyable some of the levels became with some minor modifications. It almost seems like the original map designers where told the keeper AI would improve before release, but it never did. Giving them a head start makes a world of difference.