Sonic the Hedgehog and Doom Crossovers
Semper Fi by LegoKid343 reviews
After stopping the invasion of hell itself, both Earth and Mars are safe. However, the Marine who saved everything now finds himself on another world in the face of danger yet again. It's a going to be a long mission.(Title Changed)
Rated: T - English - Adventure/Supernatural - Chapters: 2 - Words: 1,296 - Reviews: 6 - Favs: 5 - Follows: 7 - Updated: 12/23/2016 - Published: 4/1/2016 - Sonic, J. Kane
Heart of Steel by LegoKid343 reviews
After being betrayed by Dr. Hayden, the Doom Slayer finds himself in the face of battle yet again. Even though he had fought countless hordes of demons after being trapped in Hell for decades, he may need to gain the trust of a blue hedgehog that specializes in smashing killer robots.
Rated: T - English - Adventure/Sci-Fi - Chapters: 2 - Words: 907 - Reviews: 4 - Favs: 9 - Follows: 15 - Updated: 7/20/2016 - Published: 5/24/2016 - Sonic, Sally, Doomguy