Recently updated saves from powdertoy.co.uk
message by ThisUserDoesntExist
No Description provided.
| Published: 14 days ago (at 10:57, 1 Apr 2026) | Updated: 14 days ago (at 10:57, 1 Apr 2026) |
Enriched Uranium Fuelled BWR by DONTTRUSTME
A BWR fuelled with enriched uranium. Uses a positive void coefficient with no control rods, it deeply relies on the input and exhaust of boyl and wtrv, channels: watr/dstw, boyl. RPV: watr/dstw/merc. 6: heat, fuel. 4: water/steam. both: pressure, temp.
| Published: 14 days ago (at 10:50, 1 Apr 2026) | Updated: 13 days ago (at 11:39, 1 Apr 2026) |
Cell 2 (Extremophile) heeheeheehaha by Cheeks
You need the powder toy ultimata mod for it. :)
| Published: 14 days ago (at 10:15, 1 Apr 2026) | Updated: 14 days ago (at 10:15, 1 Apr 2026) |
URAN RBMK-1000 REACTOR RPV by DONTTRUSTME
The RBMK-1000 nuclear reactor but with heavy water and an automatic pressure relief system.
| Published: 14 days ago (at 10:04, 1 Apr 2026) | Updated: 14 days ago (at 10:04, 1 Apr 2026) |
Arc Shards by Plushynebula
You can copy, but give credit if you do copy it!
| Published: 15:32:24 on 31 Aug 2024 | Updated: 14 days ago (at 10:00, 1 Apr 2026) |
PLANET ZARTROS by Lord_stone_god
its a planet spark the p type silicone in the cannon to shot photons spark the the planet to regenerate im bad at decorations
| Published: 14 days ago (at 09:56, 1 Apr 2026) | Updated: 14 days ago (at 09:56, 1 Apr 2026) |
Reflective neutron reactor by DONTTRUSTME
Reactor that uses reflection of neutrons to create fission reaction, mabye shouldn't make one with a positive void coefficient...
| Published: 14 days ago (at 09:56, 1 Apr 2026) | Updated: 14 days ago (at 09:58, 1 Apr 2026) |
SP1 by Hellowant00
No Description provided.
| Published: 14 days ago (at 08:38, 1 Apr 2026) | Updated: 14 days ago (at 08:38, 1 Apr 2026) |
HyperSonic Jet Engine by Hellowant00
No Description provided.
| Published: 14 days ago (at 08:30, 1 Apr 2026) | Updated: 14 days ago (at 08:30, 1 Apr 2026) |
Rubidium Fast Cool Reactor by Match
No Description provided.
| Published: 14 days ago (at 08:21, 1 Apr 2026) | Updated: 14 days ago (at 08:30, 1 Apr 2026) |
Radioisotope thermal generator by Xd-g-x-500
activate pcln to cool down polonium acts a lot like that plutonium isotope in RTG-s so i bulit one(its actually called a radioisotope thermoelectric generator but i forgot the full acronym before i named it
| Published: 2.2 weeks ago (at 10:38, 30 Mar 2026) | Updated: 14 days ago (at 07:39, 1 Apr 2026) |
VortX 1 (interceptor) by yourlocalrbmk1000
(name not a typo)
| Published: 14 days ago (at 07:27, 1 Apr 2026) | Updated: 14 days ago (at 07:27, 1 Apr 2026) |
Dsrt by yourlocalrbmk1000
(name not a typo)
| Published: 2 weeks ago (at 19:28, 31 Mar 2026) | Updated: 14 days ago (at 07:27, 1 Apr 2026) |
Turtle 1 (interceptor) by yourlocalrbmk1000
No Description provided.
| Published: 2 weeks ago (at 17:26, 31 Mar 2026) | Updated: 14 days ago (at 07:26, 1 Apr 2026) |
dumb smart braindumb dumbs smrot by klao003
No Description provided.
| Published: 14 days ago (at 06:59, 1 Apr 2026) | Updated: 14 days ago (at 06:59, 1 Apr 2026) |
Wireless power without WIFI by AerospaceFan
phot
| Published: 2.9 weeks ago (at 19:35, 25 Mar 2026) | Updated: 14 days ago (at 06:38, 1 Apr 2026) |
heat explosive by Pickled_Joe
NO COPY!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
| Published: 14 days ago (at 06:03, 1 Apr 2026) | Updated: 14 days ago (at 06:03, 1 Apr 2026) |
My Ideas for Eurasia 2 by Pickled_Joe
The continued shpiel around my ideas about WW3.
| Published: 14 days ago (at 05:58, 1 Apr 2026) | Updated: 14 days ago (at 05:58, 1 Apr 2026) |
My Ideas For Eurasia by Pickled_Joe
These are some of my ideas as to what WW3 would look like if Italy were to become a global superpower. This will be continued in another save. :D Credit: ID:2195222
| Published: 14 days ago (at 05:56, 1 Apr 2026) | Updated: 14 days ago (at 05:56, 1 Apr 2026) |
king sized worm by galaxy_destroyer
No Description provided.
| Published: 14 days ago (at 05:09, 1 Apr 2026) | Updated: 14 days ago (at 05:09, 1 Apr 2026) |
uh what is this by galaxy_destroyer
No Description provided.
| Published: 14 days ago (at 05:08, 1 Apr 2026) | Updated: 14 days ago (at 05:08, 1 Apr 2026) |
Fermentofuel by Keshimarukoy
Fuel 2
| Published: 14 days ago (at 05:05, 1 Apr 2026) | Updated: 14 days ago (at 06:44, 1 Apr 2026) |
head by galaxy_destroyer
No Description provided.
| Published: 14 days ago (at 04:58, 1 Apr 2026) | Updated: 14 days ago (at 04:58, 1 Apr 2026) |