Recently updated saves from powdertoy.co.uk

CL106: A Slightly Better Adder

CL106: A Slightly Better Adder by Isidor10

In preparation for adding ADD and SUB instructions, it became apparent that we need to make the adder smaller. Here I show how you can use transparent DTEC to move data around a chip in 2D.
Published: 9 days ago (at 21:18, 6 Apr 2026)Updated: 3 days ago (at 10:24, 12 Apr 2026)
Nuclear battery

Nuclear battery by WerSagtWas

No Description provided.
Published: 2.1 weeks ago (at 19:35, 31 Mar 2026)Updated: 3 days ago (at 09:41, 12 Apr 2026)
Small incrementing machine thing

Small incrementing machine thing by Nova_Ultima

This small modular machine will, uppon being sparked, move it's "activation key" forward, causing it to deactivate and the next module to be activated, this can go on for as long as you can make it. Inspired by Among_us0's "electronic device".
Published: 3 days ago (at 09:29, 12 Apr 2026)Updated: 3 days ago (at 09:29, 12 Apr 2026)
KOI

KOI by barnifurry

a super habitable planet
Published: 14:23:54 on 18 Jan 2025Updated: 3 days ago (at 09:17, 12 Apr 2026)
hell

hell by jackthescientist

No Description provided.
Published: 3 days ago (at 09:14, 12 Apr 2026)Updated: 3 days ago (at 09:14, 12 Apr 2026)
realistic PWR power plant

realistic PWR power plant by grzesiek

realistic pressurised water reactor, its not finished but you can give suggestions in coments. lastest update:changed reactor water to glow
Published: 7 days ago (at 18:55, 8 Apr 2026)Updated: 3 days ago (at 09:24, 12 Apr 2026)
the small reactor 17.5

the small reactor 17.5 by ERROR_CODE0

No Description provided.
Published: 3 days ago (at 09:00, 12 Apr 2026)Updated: 3 days ago (at 09:00, 12 Apr 2026)
hmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm

hmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm by linzifan418

aaa
Published: 3 days ago (at 08:55, 12 Apr 2026)Updated: 3 days ago (at 08:55, 12 Apr 2026)
wave machine

wave machine by linzifan418

No Description provided.
Published: 3 days ago (at 08:44, 12 Apr 2026)Updated: 3 days ago (at 08:44, 12 Apr 2026)
bombs

bombs by WPumpkin

free to copy
Published: 3 days ago (at 08:26, 12 Apr 2026)Updated: 3 days ago (at 08:26, 12 Apr 2026)
Helion system

Helion system by AerospaceFan

star by abacximovua, planets by me
Published: 17:38:45 on 4 Nov 2024Updated: 3 days ago (at 08:02, 12 Apr 2026)
Learning Machine

Learning Machine by Nova_Ultima

A machine that learns wich paths are good and wich are bad, avoiding the bad ones as soon as possible. Place PSCN in the ends to determine wich paths are bad. Has no reset button. Inspired by Isidor10's save "Electronic Brain".
Published: 3 days ago (at 07:56, 12 Apr 2026)Updated: 3 days ago (at 07:56, 12 Apr 2026)
habitable wip moon

habitable wip moon by jackthescientist

moon now including a massive atomic cannon with power described to be as bright as a supernova. a beautiful house with white and blue stripes and lastly a mysterious interstellar rogue black hole
Published: 7 days ago (at 03:32, 8 Apr 2026)Updated: 3 days ago (at 08:39, 12 Apr 2026)
uh oh

uh oh by Adyghe16

man gets excucuted (use nothing display and turn on deco)
Published: 3 days ago (at 07:47, 12 Apr 2026)Updated: 3 days ago (at 07:47, 12 Apr 2026)
Spacewide

Spacewide by AerospaceFan

To join tell me: country name, flag, location / starts with 1950s tech / expansion, war power and economy are based on your tech and country size
Published: 20:56:14 on 26 Jan 2026Updated: 3 days ago (at 07:46, 12 Apr 2026)
WORDS ARE UNNESSCECARY!

WORDS ARE UNNESSCECARY! by SimonRiley12

No Description provided.
Published: 3 days ago (at 07:40, 12 Apr 2026)Updated: 3 days ago (at 07:44, 12 Apr 2026)
i did a thing

i did a thing by ThisUserDoesntExist

ntct-ptct union
Published: 3 days ago (at 07:13, 12 Apr 2026)Updated: 3 days ago (at 07:13, 12 Apr 2026)
small town

small town by Starvoidish

No Description provided.
Published: 3.9 weeks ago (at 05:51, 19 Mar 2026)Updated: 3 days ago (at 07:06, 12 Apr 2026)
awa egg alloy

awa egg alloy by Ficacion

resists dray bombs
Published: 3 days ago (at 06:58, 12 Apr 2026)Updated: 3 days ago (at 06:58, 12 Apr 2026)
nuclear power plant

nuclear power plant by i_dont_know

No Description provided.
Published: 07:20:49 on 13 Aug 2025Updated: 3 days ago (at 06:57, 12 Apr 2026)
H.I.M v,.,.3..,..,.,.,..*#3+"#82!2!;38$

H.I.M v,.,.3..,..,.,.,..*#3+"#82!2!;38$ by jackthescientist

H.E is watching :)..
Published: 3 days ago (at 06:48, 12 Apr 2026)Updated: 3 days ago (at 06:48, 12 Apr 2026)
H.I.M v,.,.2

H.I.M v,.,.2 by jackthescientist

H.E is watching :)..
Published: 3 days ago (at 06:37, 12 Apr 2026)Updated: 3 days ago (at 06:42, 12 Apr 2026)
H.I.M

H.I.M by jackthescientist

H.E is watching :)..
Published: 3 days ago (at 06:24, 12 Apr 2026)Updated: 3 days ago (at 06:24, 12 Apr 2026)
exotic matter bomb?

exotic matter bomb? by justen

just having fun and i have noticed that i've never seen anyone do a proper demonstration of how to make something like this. im sure the reaction itself has a name but i have no clue personally. Have fun messing around with this, needed more people aware
Published: 3 days ago (at 06:06, 12 Apr 2026)Updated: 3 days ago (at 06:06, 12 Apr 2026)
Tornado Simulator (check desc)

Tornado Simulator (check desc) by poolstick

NOT MY WORK (by ICYhavoc45) i just played with it for a bit and got it to look like this and i wanted to show some people
Published: 3 days ago (at 06:06, 12 Apr 2026)Updated: 3 days ago (at 06:06, 12 Apr 2026)