Milovana.com

You might want to try, I've tried and enjoyed:

Impossible POT Challenge by kHaos86 https://milovana.com/webteases/showtease.php?id=45102

Lydia's POT challenge https://milovana.com/webteases/showtease.php?id=39043

Just Keep Stroking! by quartz https://milovana.com/webteases/showtease.php?id=36243

Cum Challenge by Mistressgaming https://milovana.com/webteases/showtease.php?id=34411

Ariel's Toy by Razorsedge https://milovana.com/webteases/showtease.php?id=23310

There's lots more although many(not all) have the POT as either an option or as a chance possibility or expect ruins and continuing after.

It's been asked a few years ago too: viewtopic.php?t=22293

And this for anyone searching for particular teases: I find when searching for particular teases or kinks, I try searching on the Milovana webtease page, both Regular and Advanced, which isn't great but sometimes works or gets close. I'll also try by putting an appropriate tag in the address bar (e.g. https://milovana.com/webteases/?tags=[i]shoelace,totm,vibrator[/i]&threshold=3&type=2&u=27708 (omitting any irrelevant; tags for tags, threshold for rating, type is regular/flash/audio - 1/2/3, u for id of the user)) Sometimes you have to be imaginative with tags as there's things like CEI and also cum-eating; pee, piss, and urine-play; estim and e-stim; etc. I'll also try google (e.g. "post orgasm" site:milova.com ) and of course the ultimate is to use FrozenWolf's amazing MiloDB

Here is one I think most POT fans would enjoy but not many people seem to mention. Its a sequel, the first part is also good, just not as good for POT fans. Too bad the creator doesn't seem to be working on any more.

https://milovana.com/webteases/showtease.php?id=69573

Try losing at this game and suffer through the "game over" scenario. https://milovana.com/webteases/showtease.php?id=68989