Gamer Driver

The Transformation Belt Gamer Driver (変身ベルトゲーマドライバー) is a transformation belt for the Ex-Aid Riders.

Compatibility
Before someone can properly use the Gamer Driver, they must become a candidate by undergoing a compatibility surgery, which introduces a small sample of the Bugster Virus to their body to induce antibody production. This presumably allows them to handle the side effects of usage, which would otherwise be dangerous. When a Rider gets a game over, the body of the Gamer Driver user will disintegrate into data.

Transformation

 * By inserting an active Rider Gashat into the right Gashat Slot, the user is able to transform into a Level 1 Kamen Rider.
 * By opening the Actuation Lever to reveal the High Flash Indicator projecting a transformation screen into the air in front of the Rider, a Level 1 Rider is able to level up to Level 2 by passing though the screen.
 * By closing the Actuation Lever, a Level 2 Rider can revert to Level 1.
 * By closing the Actuation Lever after activating another Rider Gashat, a Level 2 Rider will not revert to Level 1, and the user will be able to insert the Gashat into the left Gashat Slot and reopen the Actuation Lever to level up to Level 3 by passing through the pair of projected transformation screens.
 * By inserting a second Gashat in the left Gashat Slot while in Level 1 and opening the Actuation Lever for the first time, the user is immediately taken to Level 3.
 * The same procedures for Level 3 are used to access Level 5 if the second Gashat is Drago Knight Hunter Z.
 * By closing the Actuation Lever and removing the Rider Gashat(s), a Level 2 or above Rider's transformation will be canceled. Similarly, a Level 1 Rider can also cancel his transformation by removing the Gashat. This possibly means that a Kamen Rider cannot perform a Critical finisher while in Level 1 without using an additional Gashat.
 * When a Rider's Rider Gauge is critically low, Gamer Driver's protection function will automatically eject the inserting Gashat to cancel the transformation and preserve their life. This function, however, can be prevented by the Rider themselves, or by the Deadly Jammer of Zombie Gamer.

Playable Games
It is revealed that the Gamer Driver has a set list of playable games from corresponding Rider Gashats, and when a game's victory condition is fulfilled a projection from the belt states "Game Clear!" over the corresponding image of the Gashat in the Driver. It appears that a Gamer Clear count is independent from the Rider who cleared it, as in most cases, when a Rider clears a Game, other Riders' previously cleared Games are also shown as Clear. The only exception is in episode 3, after Snipe cleared the Bang Bang Shooting, none of other games come with a "Game Clear" title; however, this is likely a production error.

The overall "Game Clear" count accumulated by each of the Kamen Riders is kept track of through a screen in Genm Corp.


 * Mighty Action X: Cleared by destroying the boss monster Salty Bugster.
 * Taddle Quest: Cleared by destroying the boss monster Aranbura Bugster.
 * Bang Bang Shooting: Cleared by destroying the boss monster Revolve Bugster.
 * Bakusou Bike: Cleared by defeating the boss monster Motors Bugster in a motorbike race.
 * Gekitotsu Robots: Cleared by destroying the user Collabos Bugster (Gekitotsu Robots).
 * DoReMiFa Beat: Cleared by destroying the user Collabos Bugster (DoReMiFa Beat).
 * Giri Giri Chambara: Cleared by destroying the user Collabos Bugster (Giri Giri Chambara).
 * Jet Combat: Cleared by destroying the user Collabos Bugster (Jet Combat).
 * Shakariki Sports: Cleared by defeating the user Kamen Rider Genm.
 * Drago Knight Hunter Z: Cleared by destroying the user Graphite.

Stage Select
By pressing the button on the Kimewaza Slot Holder without any Gashat inserted in it, the gamer can choose one location from an offered list. This completely rewrites the Game Area, literally teleporting all participants to another battlefield, even pulling in people not present at the location where the function is triggered from. This could be used to expand the fighting area, as well as to protect the original location from being damaged. Clearing a game will return the players to their original location, and being blasted out of a transformation with enough power can "eject" individual players.
 * A modern, bright city.
 * A racetrack.
 * A dark city at night.
 * A blue sky.
 * A beach.
 * A lake surrounded by trees.
 * A millitary shooting area.
 * A scrapyard.
 * A forest.

Selectable Characters
After inserting a Rider Gashat, Riders select their armor from a spinning array of ten profile images, below ordered in counterclockwise as seen from above. It is possible that the forms the Rider could use are independent of the active Rider Gashat, and the gamer can choose his favorite character from the set list before the transformation begins, but this concept has yet to be explored onscreen and is thus unconfirmed. Kuroto Dan's Gamer Driver also comes with a unique selectable character located between Lazer Level 1 and the grayed Ex-Aid image, his character list in turn including only one blank silhouette image instead of two.
 * Ex-Aid Action Gamer Level 1
 * Brave Quest Gamer Level 1
 * Snipe Shooting Gamer Level 1
 * Lazer Bike Gamer Level 1
 * Grayed Ex-Aid Action Gamer, seemingly Level 1
 * Proto Brave Quest Gamer Level 1
 * Proto Snipe Shooting Gamer Level 1
 * Grayed Lazer Bike Gamer Level 1
 * Two generic silhouettes with question marks
 * Genm Action Gamer Level 1

Kimewaza Slot
By inserting a Rider Gashat into the Kimewaza Slot (it needs not be the Gashat used for the transformation), a Rider can trigger a Critical Strike finisher based on that Gashat after pressing the button next to the slot twice.

Of note, Genm inserting the Shakariki Sports Gashat into the Kimewaza Slot without pressing the button summoned the Sports Gamer bicycle in his initial debut.

History
A Gamer Driver is being transported by Asuna Karino when she runs into Emu Hojo, who takes and uses the Driver to become Kamen Rider Ex-Aid to save Sota Suyama from the Bugster infection. At the same time, Hiiro Kagami has already been in possession of one for an unknown period of time.

Users (chronological order)
In addition, Kuroto Dan, whose company created the Gamer Drivers, also has one, but it is still undetermined when he started using it.