Uploaded February 2025 | Updated September 2026, 1 week ago

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Family friendlier: youtu.be/ad5c8T0B-H4

I stream at twitch.tv/carlsagan42 -- follow me if you want to know when I go live!

My Other Games Channel (Minecraft Hardcore, etc): youtube.com/channel/UCjBPYy24MjHGO0Qw46C6AZw

Check out the SMM2 level viewer: smm2.wizul.us/smm2/maker/D2G-W84-50H

Support me and my science projects: patreon.com/larlslab

Outro song by TanukiDan: youtube.com/watch?v=mm8Jqcqq0LA

Twitter: twitter.com/Carl_Sagan42

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