Sonic the Hedgehog 2 (8-bit)

Sonic the Hedgehog 2 in its 8-bit form is a fascinating parallel universe to the famous 16-bit sequel — it shares the name and some ideas, but it's a completely different game. Developed at the Aspect studio for the Master System (and Game Gear) in 1992, it's one of the few chances to play a full-fledged Sonic adventure with Tails at your side on the 8-bit Sega.

The levels are designed differently from the ground up: the lower resolution demands a more careful, platform-focused approach rather than headlong dashing forward. You'll find your own zones, your own bosses and notoriously demanding passages — such as a rocket flight or minecart sections that raise the blood pressure of even seasoned players. And if you want the true ending, you have to collect all the Chaos Emeralds, otherwise a bitter, cut-short conclusion awaits.

It's precisely this distinctiveness and uncompromising difficulty that makes the 8-bit sequel a hidden treasure among retro fans. It's not just a shrunken version of the more famous release — it's a standalone, magical game with its own personality and atmosphere.