All spoilers will be unmarked ahead. You Have Been Warned!
In General
- Model Suit Gunpla Builders Beginning G = Mobile Suit Gundam + Digimon Adventure
- Gundam Build Fighters = Model Suit Gunpla Builders Beginning G + Angelic Layer + Kamen Rider Decade.
- Gundam Build Fighters Try = Gundam Build Fighters + Digimon Xros Wars: The Young Hunters Who Leapt Through Time + Juken Sentai Gekiranger.
- Gundam Build Divers = Gundam Build Fighters + .hack + Sword Art Online + Accel World + Yu-Gi-Oh! VRAINS + Kamen Rider Ex-Aid + Ultraman X + Mega Man Battle Network + Ready Player One.
- Gundam Build Divers Re:RISE = Gundam Build Divers + Mobile Suit Gundam: Iron-Blooded Orphans + Kamen Rider Zero-One + Tokumei Sentai Go-Busters (and Power Rangers Beast Morphers) + Albedo: Erma Felna EDF + Katmandu.
- Gundam Build Metaverse = Gundam Build Fighters (and Try) + Gundam Build Divers (and Re:RISE) + Kikai Sentai Zenkaiger.
Specific Characters
- Gundam Build Divers (2018):
- Build Divers = Frieden Crew + Team Try Fighters + Nega Nebulus + Doctor Riders
- Riku Mikami/Riku = Garrod Ran + Haru Irei + Eugeo + Karen Kohiruimaki + Haruyuki Arita + Emu Hojo.
- Yukio Hidaka/Yukki = Sei Iori + Miyu Shinohara + Kiriya Kujo + Takeru Homura.
- Momoka Yashiro/Momo = Fumina Hoshino + Asuna Yuuki + Rika Shinozaki + Chiyuri Kurashima + Nico Saiba.
- Sarah = Tiffa Adill + Aura + Yui + Kuroyukihime + Ai + Aqua + Jin Kusanagi + Poppy Pipopapo.
- Koichi Nanase/KO-1 = Yuuma Kousaka + Kei Shirogane + Taiga Hanaya.
- Aya Fujisawa/Ayame = Schwarz Bruder + Shino Asada + Aoi Zaizen + Emma Bessho + Shizuka Hanekura + Utai Shinomiya + Kagenari Nagumo.
- Kyoya Kisugi/Kyoya Kujo = Asemu Asuno + Tatsuya Yuuki + Wilfred Kijima + Alice Synthesis Thirty + Bercouli Synthesis One + Takumu Mayuzumi + Hiiro Kagami + Yusaku Fujiki.
- Magee = Duo Maxwell + Andrew Gilbert Mills + Yu Kamimura + Oren Pierre Alfonzo.
- Kotaro Ogami/Tigerwolf = Master Asia + Chang Wufei + Sekai Kamiki + Parado + Dairangers + Retsu Fukami + Gou Fukami + Go Onizuka.
- Ruck Arge/Shahryar = Quatre Raberba Winner + Tieria Erde + Sakuya.
- Rommel = Trowa Barton + Lockon Stratos + Goshi Asogi.
- Tsukasa Shiba = Ricardo Fellini + Junya Inose + Vassago Cassals + Ryoken Kogami + Spectre + Kuroto Dan.
- Katsuragi/Game Master = GunDiver + Seijirou Kikuoka + Akira Zaizen + Kyotaro Hinata.
- Build Divers = Frieden Crew + Team Try Fighters + Nega Nebulus + Doctor Riders
- Gundam Build Divers Re:RISE (2019-2020):
- BUILD DiVERS = Build Divers + Tekkadan + Kamen Rider Zero-One + A.I.M.S. Riders + Go-Busters + Beast Morphers Rangers
- Hiroto Kuga/Hiroto = Koichi Nanase + Mikazuki Augus + Kazuto Kirigaya + Yusaku Fujiki + Isamu Fuwa + Hiromu Sakurada + Kairi Yano + Tooma Yoimachi + Ravi Shaw
- May = Aya Fujisawa + Sarah + Shino Asada + Premiere + Aoi Zaizen + Is + Yua Yaiba + Yoko Usami + Masato Jin + Beet J. Stag + Tsukasa Myojin + Zoey Reeves + Steel
- Kazami Torimachi/Kazami = Riku Mikami + Norba Shino + Ryotaro Tsuboi + Go Onizuka + Aruto Hiden + Ryuji Iwasaki + Keiichiro Asaka + Devon Daniels
- Patrick Alexandre Leonard Arge/Parvis = Mamoru Izuna + Ruck Arge + Keiko Ayano + Miho Nakamura + Rika Sakurada + Umika Hayami + Sakuya Hikawa + Nate Silva + Tsukuyomi
- Masaki Shido/Sid = Mu La Flaga + Kyoya Kisugi + Jin Kusanagi + Chase + Soreo Hiden + Tsukumaro Ogami + Isamu Ozu + Utsusemimaru + Blaze
- Masked Man = Neo Roanoke + Aila Jyrkiäinen (Team Nemesis) + Vidar + Tsukasa Shiba +Mashin Chaser + Horobi + Duke Org Rouki + Dark Magic Knight Wolzard + Raging Knight Dogold + Cybervillain Blaze
- Captain Zeon = Rommel + Fukkinhoukai Taro + AkaRed
- Alus = JDG-00X Devil Gundam + Rau Le Creuset + Ribbons Almark + Veda + Tsukasa Shiba + Ark + Messiah + Enter + Venjix + Evox
- BUILD DiVERS = Build Divers + Tekkadan + Kamen Rider Zero-One + A.I.M.S. Riders + Go-Busters + Beast Morphers Rangers
