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Chris' Job Mod rebalances jobs. Each job has its own benefits and drawbacks and while whores do remain the big earners overall, all the other jobs stay more relevant throughout a playthrough compared to vanilla BK.
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The Booty Hunter from Bonanza. Adds a new feature to the slavemarket which allows you to custom-order girls for exorbitant prices. A bit unbalanced if you know exactly what you should be looking for, but also an excellent way to test new strategies and optimize your brothel.
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This mod provides a cheat menu ingame to enable an extra-casual, extra-fun pimping experience.
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The Trait King mod expands Brothel King's traits system to make each girl feel more unique. If you pluck a random girl off the street to work in your brothel, there's more variety in her starting traits and more uncertainty about how she might develop in the future.