About This File
[XCL] [0.23] Custom U Machine
I was originally working on a mod that added a bunch of new pill variants, but halfway through I realised it would be way more fun (and much more flexible) to just let players create any pill they want instead.
Introducing the Custom-U Machine
The Custom-U Machine lets you build your own custom transformation pill by choosing:
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A base pill (Basic, Breeder, Bimbo, X-Tend, Resistance, and more)
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A DNA type (pick exactly who you want the pill to transform you into)
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Any side effects you want (temporary, permanent, and risky)
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A duration of your choice (from 24 hours all the way to permanent)
This lets you create basically any type of pill imaginable, and enables some really fun challenge runs — like combining a Breeder base with side effects such as getting creampied lowering your intelligence or shrinking your dick size.
Random Pill Options (the machine chooses for you)
Not sure what you want? The Custom-U Machine can also generate a pill for you with random choices — for players who want chaos, surprises, or a gamble.
These options choose a random base pill, random duration, and random side effects… and now also a random DNA.
$100 Random Pill
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Weighted more toward “extreme” bases (Breeder, X-Tend, Resistance) — but you can still roll anything
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12 side effects, weighted more toward Permanent and Risky
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Duration weighted heavily toward shorter durations, max 2 weeks
$500 Random Pill
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More equal weighting, but still slightly favours extreme bases
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8 side effects, weighted more evenly (still slightly towards Permanent/Risky)
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Duration weighted toward mid-range durations, max 1 month
$1000 Random Pill
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Equal weighting across all pill bases
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4 side effects, weighted equally across all categories
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Duration weighted equally from 2 weeks to 2 months
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No permanent duration
Important twist: While the DNA, duration, and pill base are hidden, you do get to see the side effects you roll.
You can skip effects you don’t want, but every skip adds +1 to the total number of side effects you must take.
So you can “filter” your pill… but the machine makes you pay for being picky.
Signature Mixes (Preset Pills)
If you want something curated without fully building from scratch, the Custom-U Machine also includes 5 preset Signature Mixes — hand-picked combos with fun themes and spicy interactions:
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Social Butterfly
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Show-Off Star
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Bimbo Snowball
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Milk Maid
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Breeder Feedback Loop
These are designed to be interesting, themed, and chaotic in the best way, whether you want a quick pick or a starting point for a run.
Build Codes (Export / Share Your Pills)
I thought it might be helpful if people create pill combos they like and want to use every time — or share the one they’ve made — so Custom-U now prints a receipt after creating a custom pill, including a Build Code you can copy and reuse later.
They look like this:
CUM1|Basic|12|mia|bimbo temp,people pleaser temp,milky,maid,Creampies decrease dick,Orgasms decrease dick
CUM1 = Custom-U Machine format version 1
(so I can expand this later, like allowing signature-packs/modlets people can share)
The format is:
Pill Base | Duration | DNA | Side Effects
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DNA is only set if you choose a custom DNA
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If you keep your current DNA, it will say self instead
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You can also edit the DNA part of the code if you want to keep the combo but not change DNA
Testing / Bug Notes
I’ve tested a bunch of combinations, but this mod is huge in terms of possible outcomes. For context, there are 481,036,337,096 different pill combinations possible.
Because of that, it’s impossible for me to manually test every single base pill + side effect + duration combo. If you run into issues with specific combinations, please let me know. In some cases it might be something I can fix in others, it may be that the combo needs to be restricted to avoid breaking game logic.
Mod Compatibility
This mod should be compatible with any character or pill mods, and any mods that add in additional side effects. That said I haven't tested them all so if you any issues with a mod let me know and I'll see what I can do.
Below is a list of mods that I've tested compatibility with:
- Pill Diagnostic Kiosk
- DatDude's Oral Pills
- Pharm Inc.
- U666's Drugs
- HGH Side Effect
- Pregmod
- BLACKED
- Spike Fun
- Val Steele
- Skylar Vox
- Violet
Integrates with:
Feedback & Compatibility Help Wanted
Any feedback is greatly appreciated.
If anyone wants to help integrate this with other mods (to add extra base pills or unique side effects), feel free to reach out — I’d love to expand it further.
As always, have fun!
What's New in Version 1.6.3
Released
Custom-U Machine 1.6.3 Changelog
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Fixed
- Custom pills now truly become their base pill. The machine used to hand the game a placeholder instead of the real base, so the base pill's identity never registered. Most visibly: a pill built on a Bimbo base never made you a bimbo (no pink thoughts, no Bonwit Teller treatment, no makeup encounters) unless you also picked the Brainless Bimbo side effect yourself. Every base now goes through the game's own take-pill registration, exactly like its store-bought equivalent: Bimbo bases bimbofy, built-in side effects apply (including on hidden Random Pill bases, just like being spiked), Breeder/X-Tend/Resistance base behaviors trigger, and custom pills finally count in your pill statistics. Your chosen duration still applies as before.
- Duplicate side-effect labels. The two "Impulsive Flirtation" entries are now distinguishable; the temporary variant is labeled "(Temp)" like the others.
- Hidden error on brand-new saves. Building a pill with a DNA swap before ever taking a pill triggered an invisible divide-by-zero in the background. Harmless, but gone now.
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Changed
- The side-effect categories now tell the truth. Temporary and Permanent are read from the game's own list of pill-bound effects instead of a hand-written one. Effects that actually end with the pill (Libido Overdrive, Submissive Pleasure, Arousal is Bad, Breeder, Resistance) now correctly appear under Temporary; everything listed as Permanent genuinely survives the pill wearing off. New side effects from game updates or other mods sort themselves into the right category automatically, so the "Other" section is gone.
- The Mystery pill from my X-Change Mystery™ Pill mod is no longer offered as a base. Through Custom-U its random-roll gimmick never triggered, so it just dispensed a weak dud at full price. Buy Mysteries from the shelf like nature intended.
1.6.2 Changelog:
- Added support for X-Fans 2.0
- Tested and validated against 0.25.1