Sonic Quiz Game
Sonic Quiz features 3 modes of difficulty. Easy, Hard, and Extreme. Each mode has 10 questions for you to answer and some of the questions are very tricky. If you guess wrong, you are given the option to restart but it's not so bad because you already know the answers now. Easy and Hard mode can be beaten but rumor has it that nobody has beaten extreme mode... yet.
Sonic 3 Rainbow Dash
Rainbow Dash serves as Sonic's dependable companion in Sonic 3 as they attempt to prevent Dr. Robotnik from obtaining the Chaos Emeralds.
Sonic Boy 3 Eggmans Room
Before they steal your time, kill every monster Sonic on each stage, then gather their bodies.
Contra
a game that does not require any introduction. On your quest to defeating Red Falcon, blast your way through 8 stages of aliens and terrible guys.
Sonic The Final Showdown
Reworked the levels entirely, changed the soundtrack, and included two more monitors (50 rings and replenish air).
Amy Rose in Sonic 1
For all the Amy Rose enthusiasts out there, there is a fun rom hack called Amy Rose in Sonic the Hedgehog (you know who you are). She possesses a large hammer to smash foes with in addition to being able to sprint and jump like Sonic. When she swings it, it even spits out hearts. Cute.
Mega Man 6
The last NES Mega Man game! Defeat 8 robot masters to obtain their weaponry as well as the normal loot.