This is slightly patched version of ddnet zcatch to it compile on my system
(6.14.7-arch2-1 #1 SMP PREEMPT_DYNAMIC Thu, 22 May 2025 05:37:49 +0000 x86_64 GNU/Linux)

scripts/build.py uses outdaded python features but you you still can build the
code manually. Simply download and build bam of version 0.4[0], run it in this
directory and it'll build code for you.

[0] bam-v0.4.0 https://github.com/matricks/bam/archive/refs/tags/v0.4.0.tar.gz

The following text is the original one:

This software called "zCatch/TeeVi" is a modification of "zCatch" which is a modification of "Teeworlds".
DDNet version, with global ranking. Made by Savander and Deen.
Teewebs.net supported (by Eeeee).

See license.txt.

#############################################################################
The following is the content of the readme.txt distributed with zCatch:
#############################################################################

Copyright (c) 2012 Magnus Auvinen


This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.


Please visit http://www.teeworlds.com for up-to-date information about 
the game, including new versions, custom maps and much more.