Pantsmo's Pantaloon Adventure
A downloadable game for Windows, macOS, and Linux
Update 25th February 2025: a huge new Pantsmo update is here! With many new secrets, including guest appearances from many classic Apogee characters, and a ludicrous number of new pants!
In 1992 Apogee Software released the classic DOS platformer Cosmo’s Cosmic Adventure, a fun, incredible, gnarly, and awesome game with beautiful EGA graphics. Butt... there was a problem! Cosmo was butt naked! Ever had to go on an intergalactic adventure across the galaxy and left home without your pants? Then you’ll know exactly how Cosmo feels. And so…
Presenting Pantsmo’s Pantaloon Adventure! A graphical mod for the original shareware episode that gives Cosmo (and many other things!) pants! Now he can traverse the galaxy in style in a nice comfy pair of pants.
About Pantsmo:
A fun mod created by eviltentacle and Julia Minamata. Download it for free below!
I originally made a basic version of Pantsmo for Julia, the developer of The Crimson Diamond, because she loves games that use the EGA colour palette but she thought Cosmo looked a little too similar to the naked creepy green kappa water sprite from Japanese folklore. So I modded in some nice pants for Cosmo to make him less hideous. And well… then we both just kept on adding pants!
Hints:
Collect 25 stars to advance to the Bonus Stages, collect 50 stars to advance to the Super Bonus Stage!
Keep a keen eye out for secrets on Levels 3, 5, 6, 7, 8 and 9! And more…?
Credits:
Stitched together using Camoto - the DOS modding software created by Malvineous.
Guest sprite by FractalMindMike!
Special thanks to Emmfoolery for helping put together the earlier versions of the mod!
In-game text changes made possible with the kind assistance of lethal_guitar using Cosmore, the reconstruction of the Cosmo source code by Scott Smitelli.
Level edits made using CosEdit by Karl Morrison after extracting the files using Textract by Frenkel Smeijiers.
Download
Install instructions
To play extract the .zip and run pantsmo.exe using DosBox.
Comments
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I love cosmo mods btw
would you be willing to make an entirely new mod, with levels of similar difficulty to cosmos 2&3?
And make the levels look different but with more healing and enemies at the same time.
I would love to do that, although it’s a question of finding the time as it'd be a fair bit of work.
I did make one new level a few years ago, but it was so hard only me and a DOS speedrunner ever finished it as far as I know 😅
Did you try Poet’s Cosmo levels? I played some of those and they're fun and intricately designed but also very very hard https://www.poetsoftware.no/mods/cosmo/index.html
Actually, poet's I have played and they are TOO HARD lol.
They are over 10x harder then episode 2 or 3 and 5x harder than level 10 of episode 2.
So yeah... I want something closer to episode 3 but moderately harder.
NOT super mega impossible lol or even near impossible. I want it to be fun lol.
LOL yeah, they are crazed in their difficulty, he must be a god at platformers. I managed to do most of NewCosmo3 I think, except for the final boss level, but only using the cheat to give you 5 health bars as it was so insane. His latest ones were even more insanely hard D:
It would be nice to make a Pantsmo episode with all new levels and a new story, I’ll think about it :)
His are near impossible difficulty and that's assuming you are an expert at dodging...
Yeah, when you decide all new levels, I also hope you mean 3 whole episodes in general. :D
My first gamertag was 'Trousers' in Gaelic. Thank you for letting me fulfil my gaming destiny by being a digital seamstress for Pantsmo.
I really love the art, and sense of fun, that you and Julia injected into this game! Looking forward to anything and everything else you come out with!
oh wow, I do not realize that?