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Minetest & Mesecons challenge in Google CTF 2019

PostPosted: Sun Jul 28, 2019 14:51
by rubenwardy
Website: https://capturetheflag.withgoogle.com/#challenges/hardware-minetest
License: Apache 2.0
Download: https://minetest.rubenwardy.com/googlectf2019.zip

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There is a gigantic mesecons logical circuit which you need to solve.

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Source: liveoverflow.com

Videos and Write Ups



Here are some videos and write-ups which explain the problem and the solution


Re: Minetest & Mesecons challenge in Google CTF 2019

PostPosted: Mon Jul 29, 2019 12:23
by Miniontoby
Cool project. thanks that you did share that. I like to do anything look like that now.

Re: Minetest & Mesecons challenge in Google CTF 2019

PostPosted: Mon Jul 29, 2019 13:52
by rubenwardy
Updated the post with a link to the official Google CTF page, the license, and a download.

Re: Minetest & Mesecons challenge in Google CTF 2019

PostPosted: Tue Jul 30, 2019 05:02
by Linuxdirk
Saw this a few days ago. This is fucking crazy! I love how he created a parser for 2D Mesecons circuits directly extracted from the world file and how the parser also includes a logic solver.

Re: Minetest & Mesecons challenge in Google CTF 2019

PostPosted: Tue Sep 03, 2019 14:19
by rubenwardy
Google has open sourced the tool they used to create the map: https://github.com/google/minetest_pnr