After beating a Sonic game with all 7 Chaos Emeralds, you are most likely going to fight a secret final boss, and then unlock the good ending. Here's a video, showing off every good ending in Sonic games.
#Sonic #GoodEndings
------------------------------------------------------------------------
Video Content ⌚

0:00 Intro
0:11 Sonic the Hedgehog
0:55 Sonic the Hedgehog 8-Bit
1:49 Sonic the Hedgehog 2 8-Bit
2:56 Sonic the Hedgehog 2
3:48 Sonic CD
4:36 Sonic Chaos
5:11 Sonic 3 & Knuckles
6:06 Sonic Triple Trouble
7:05 Knuckles Chaotix
7:39 Sonic Blast
8:14 Sonic 3D Blast
8:49 Sonic Pocket Adventure
9:25 Sonic Advance
10:28 Sonic Advance 2
11:09 Sonic Advance 3
12:01 Sonic Mania
------------------------------------------------------------------------
Cool Playlists to check out 📎

Evolution of Sonic Games:
   • Evolution of Sonic Games  
Comparisons:
   • Sonic Comparisons  
Sonic References:
   • Sonic References  
Sonic Ring Series:
   • Sonic Ring Series  
Mods/Fangames:
   • Sonic Mods  
------------------------------------------------------------------------
If you enjoy the video, then you can show your support by commenting and pressing the 👍 button ^^