Here is a list of Sonic Board games.
Sonic the Hedgehog Game. 1992, Milton Bradley (Tabletop Simulator Workshop)
Sonic The Hedgehog Card Game. 1992, Mattel (Tabletop Simulator Workshop)
Sonic the Hedgehog Card Game. 1994, Waddingtons (Tabletop Simulator Workshop)
Sonic the Hedgehog 3D Action Game. 1994, Waddingtons (Tabletop Simulator Work In Progress)
Sonic X Trading Card Game. 2005, Score Entertainment (Tabletop Simulator Workshop)
Monopoly: Sonic the Hedgehog Collector’s Edition. 2013, Hasbro
Memory Challenge: Sonic the Hedgehog Edition. 2013, The OP (Tabletop Simulator Workshop)
Monopoly: Sonic Boom. 2015, Hasbro
Sonic the Hedgehog: Battle Racers. 2018, Shinobi
Sonic the Hedgehog: Crash Course. 2018, IDW Games
Sonic the Hedgehog: Dice Rush. 2019, IDW Games
Monopoly Gamer: Sonic The Hedgehog. 2019, Hasbro
Sonic: The Card Game. 2021, Steamforged Games Ltd.
UNO: Sonic The Hedgehog. 2022, Mattel
Sonic The Hedgehog: Super Spinners Plus. 2022, Plus Supermarket
Sonic Battle: The Search for the Chaos Emeralds. 2002, Kohadu
Sonic Super Teams. 2022, Zygomatic