Sonic Advance (GBA) All Bosses (No Damage). Played by ArekTheAbsolute. It is a 2001 side-scrolling platform video game developed by Dimps & Sonic Team for the Game Boy Advance. Boss list:
00:00 Boss 01 Egg Hammer Tank
00:58 Boss 02 Egg Press
01:53 Boss 03 Egg Ball
03:07 Boss 04 Egg Spider
04:21 Boss 05 Mecha Knuckles
05:22 Boss 06 Egg Snake
06:46 Final Boss - Egg Mobile-H, Egg Mobile-D & EGG X + Ending 1
09:48 True Final Boss - Super Egg Robot + Ending 2
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Sonic series Bosses (No Damage) playlist: https://www.youtube.com/playlist?list=PLjU2SLNiPGfyudX6vOGKF6FJTgt30rmlQ