Rules are simple, d00ds. roll 1d100, or 1d10 twice to be technical, then roll it again, and the two series you get are the ones you cross over. Then, try making up a 'plot' for the crossover, no matter how random.
Use this site for rolling: http://www.wizards.com/dnd/dice/dice.htm
Here are the picks:
000 The OneechanBara
001 Majin Tantei Nougami Neuro
002 Final Fantasy
003 Tengen Toppa Gurren Lagann
004 House, M.D.
005 Star Wars
006 Higurashi no Naku Koro Ni
007 Shingetsutan Tsukihime
008 Stargate SG-1
009 School Days
010 Monster
011 Godzilla
012 Sailor Moon
013 Army of Darkness
014 InuYasha
015 Super Mario Bros.
016 Sonic the Hedgehog
017 Marvel Zombies
018 Grappler Baki
019 Franken Fran
020 Top Gear
021 WWE
022 The Melancholy of Haruhi Suzumiya
023 Digimon
024 Mega Man
025 Super Smash Bros.
026 The Lord of the Rings
027 V for Vendetta
028 Preacher
029 Bokusatsu Tenshi Dokuro-Chan
030 Castlevania
031 Shin Megami Tensei
032 Saint Seiya
033 Warhammer 40,000
034 Mahou Shoujo Lyrical Nanoha
035 Those Who Hunt Elves
036 Ogenki Clinic
037 Magic the Gathering
038 Star Ocean
039 Drakengard
040 Midori no Hibi
041 Boku no Futatsu no Tsubasa
042 Narutaru
043 Hokuto no Ken
044 One Piece
045 Violence Jack
046 Azumanga Daioh
047 4chan
048 Murder Princess
049 The Crying Game
050 Guilty Gear
051 Metroid
052 F-Zero
053 Super Robot Taisen OG
054 RahXephon
055 Fullmetal Alchemist
056 GunGrave
057 Touhou
058 Code Geass
059 Valkyrie Profile
060 Harry Potter
061 300
062 Star Trek
063 Blame!
064 God of War
065 Romance of the Three Kingdoms
066 Super Dimensional Fortress Macross
067 AIKI
068 Elfen Lied
069 SaiKano
070 Aoi Destruction
071 Hallow Hallow
072 Hellsing
073 Black Lagoon
074 StarCraft
075 Saber Marionette J
076 Choudenji Robo Com-Battler V
077 Black Jack
078 Koutetsu Jeeg
079 GANTZ
080 The A-Team
081 Ultimate Hentai Kamen
082 Knight Rider
083 Excel Saga
084 Yu-Gi-Oh!
085 Vinland Saga
086 Fallout
087 Planescape: Torment
088 Claymore
089 Aflame Inferno
090 Ikki Tousen
091 Rozen Maiden
092 Genshiken
093 Rizelmine
094 Crocodile Hunter
095 Jungle wa Itsumo Hale Nochi Guu
096 Nagasarete Airantou
097 Kujibiki Unbalance
098 FLCL
099 Words Worth
in this case, 100 = 000.
Have fun!
Use this site for rolling: http://www.wizards.com/dnd/dice/dice.htm
Here are the picks:
000 The OneechanBara
001 Majin Tantei Nougami Neuro
002 Final Fantasy
003 Tengen Toppa Gurren Lagann
004 House, M.D.
005 Star Wars
006 Higurashi no Naku Koro Ni
007 Shingetsutan Tsukihime
008 Stargate SG-1
009 School Days
010 Monster
011 Godzilla
012 Sailor Moon
013 Army of Darkness
014 InuYasha
015 Super Mario Bros.
016 Sonic the Hedgehog
017 Marvel Zombies
018 Grappler Baki
019 Franken Fran
020 Top Gear
021 WWE
022 The Melancholy of Haruhi Suzumiya
023 Digimon
024 Mega Man
025 Super Smash Bros.
026 The Lord of the Rings
027 V for Vendetta
028 Preacher
029 Bokusatsu Tenshi Dokuro-Chan
030 Castlevania
031 Shin Megami Tensei
032 Saint Seiya
033 Warhammer 40,000
034 Mahou Shoujo Lyrical Nanoha
035 Those Who Hunt Elves
036 Ogenki Clinic
037 Magic the Gathering
038 Star Ocean
039 Drakengard
040 Midori no Hibi
041 Boku no Futatsu no Tsubasa
042 Narutaru
043 Hokuto no Ken
044 One Piece
045 Violence Jack
046 Azumanga Daioh
047 4chan
048 Murder Princess
049 The Crying Game
050 Guilty Gear
051 Metroid
052 F-Zero
053 Super Robot Taisen OG
054 RahXephon
055 Fullmetal Alchemist
056 GunGrave
057 Touhou
058 Code Geass
059 Valkyrie Profile
060 Harry Potter
061 300
062 Star Trek
063 Blame!
064 God of War
065 Romance of the Three Kingdoms
066 Super Dimensional Fortress Macross
067 AIKI
068 Elfen Lied
069 SaiKano
070 Aoi Destruction
071 Hallow Hallow
072 Hellsing
073 Black Lagoon
074 StarCraft
075 Saber Marionette J
076 Choudenji Robo Com-Battler V
077 Black Jack
078 Koutetsu Jeeg
079 GANTZ
080 The A-Team
081 Ultimate Hentai Kamen
082 Knight Rider
083 Excel Saga
084 Yu-Gi-Oh!
085 Vinland Saga
086 Fallout
087 Planescape: Torment
088 Claymore
089 Aflame Inferno
090 Ikki Tousen
091 Rozen Maiden
092 Genshiken
093 Rizelmine
094 Crocodile Hunter
095 Jungle wa Itsumo Hale Nochi Guu
096 Nagasarete Airantou
097 Kujibiki Unbalance
098 FLCL
099 Words Worth
in this case, 100 = 000.
Have fun!