Kamen Riders' Hyper Battle Forms

In several Hyper Battle DVDs of the Heisei Kamen Rider Series, the featured Riders that can access new forms. Though it happened occasionally before the Neo-Heisei era, it only became commonplace starting with Kamen Rider OOO.

Kamen Rider Kabuto (Birth! Gatack Hyper Form!!)

 * Kamen Rider Gatack
 * Hyper Form

Kamen Rider Kiva (You Can Also be Kiva)

 * Kamen Rider Kiva
 * DoGaBaKi Emperor Form

Kamen Rider OOO (Quiz, Dance, and Takagarooba!?)

 * Kamen Rider OOO
 * Takagaruba
 * Takatoragaru

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Kamen Rider Fourze (Rocket Drill States of Friendship)

 * Kamen Rider Fourze
 * Rocket Drill States

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Kamen Rider Wizard (Showtime with the Dance Ring)

 * Kamen Rider Wizard
 * Falco Mantle
 * Beast Mantle
 * Kamen Rider Beast
 * Wizard Style

Kamen Rider Gaim (Fresh Orange Arms is Born!)

 * Kamen Rider Gaim
 * Fresh Orange Arms
 * Fresh Pine Arms