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Mattimus of The Back Library Videos

Browse long-form videos published by Mattimus of The Back Library, including recently discovered uploads and trending content indexed by MyVideoLibrary.

4:34:16

The LEGO of Zelda [Microblock Building Stream] #vtuberen #vtuber #handcam

Mattimus of The Back Library

Long-form Popular here

Published Aug 8, 2026 Discovered Aug 8, 2026 128 YouTube views 7 opens here

4:30:13

Arise, Mecha-GameCube [GameCube Modding, PicoLoader] #vtuberen #vtuber

Mattimus of The Back Library

Long-form Popular here

Published Jul 15, 2026 Discovered Jul 15, 2026 207 YouTube views 13 opens here

4:59:23

Destroying More Value in Real Time! [Retro Game Unboxing] #vtuberen #vtuber

Mattimus of The Back Library

Long-form Popular here

Published Jun 13, 2026 Discovered Jun 13, 2026 112 YouTube views 21 opens here