The Long History of Sonic Prototypes/Unused Content
23:12
Sonic the Hedgehog (Prototype) LOST BITS | Altered & Unused Content [TetraBitGaming]
1:13:35
EVERY CANCELED SONIC PROJECT ( deep dive )
38:12
I Played Every Sonic Game EVER.
20:33
Sonic's Lost Levels
8:59
Sonic 2's TWELVE Scrapped Zones
40:19
The Unused Content of Super Mario 64
1:00:14
The Sonic Frontiers Iceberg Explained (Unused Content, Hidden Lore, & More!)
1:45:05