Sonic the Hedgehog and Luigi's Mansion Crossovers
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Luigi's Mansion Adventure by Finvarra Faerie reviews
Winning a mansion in a contest he didn't even enter, Luigi ventures to his mansion, expecting to see Mario there, but he is nowhere to be found! Instead, he finds none other than Miles Tails Prower! Finding out that Sonic the Hedgehog is also missing in his creepy mansion, Luigi and Tails work together to search for Sonic and Mario while meeting unlikely allies along the way.
Rated: K+ - English - Adventure/Friendship - Chapters: 34 - Words: 78,024 - Reviews: 51 - Favs: 17 - Follows: 9 - Updated: 3/7/2014 - Published: 2/16/2014 - Tails, Sonic - Complete
Knuckles Mansion by sonicathehedgehog reviews
A Sonic version of luigi's Mansion
Rated: K+ - English - Mystery/Friendship - Chapters: 6 - Words: 2,973 - Reviews: 13 - Favs: 6 - Follows: 2 - Updated: 7/28/2011 - Published: 4/18/2011 - Knuckles