This list features an extended library of Sonic titles throughout history, from the most recent game to the oldest, i made sure to include the games that are considered relevant in the community and to their respective genre, this list includes:

• Mainline games
• Handheld games
• Racing games
• Spinoff games
• Educational games
• Mobile games (smartphones only)
• Compilations
• Ports, remasters, remakes and different versions

I will make sure to keep the list updated, i will also add notes to the games to keep things in order : )
PS: This list will change over time...