Sonic 2: 30 Easter eggs and video game references from Sonic's history

All of the Sonic 2 Easter eggs and video game references

Sonic 2' Director and Star Reveal Their Favorite Game References - CNET

Sonic the Hedgehog 2's Biggest Easter Egg and Other References - IGN

Sonic 2' Director and Star Reveal Their Favorite Game References - CNET

Sonic The Hedgehog 2 [Blu-ray] : James Marsden, Ben Schwartz, Tika Sumpter: Movies & TV

All the 'Sonic the Hedgehog 2' Hidden Easter Eggs

Sonic the Hedgehog 2's Biggest Easter Egg and Other References - IGN

Sonic the Hedgehog 2's Biggest Easter Egg and Other References - IGN

The Weird And Wonderful History Of Sonic The Hedgehog Video Games

Sonic the Hedgehog 2's Best Easter Egg Teases Sequel Plots

ALL of Sonic Omens Easter Eggs & References