Disclaimers: Hello, Zawame City! I am AlienTokusatsuDuelistMangaGeek and I am currently working on a new Ben 10/Kamen Rider Ex-Aid crossover story. For now, here are the Game Titles for the Alien Gashats that Ben will use.

Extra Invaders Buzzshock
Magical Specter
Beast Rage Rath
Ultra Warrior Atomix
Day Dreamin Pixie Pesky Dust
Rampaging Rex Humongassaur
Colossal fighter Way Big
Orbit Boulder Gravattack
Unpleasant Insect Stinkfly
Metal beatle eatle
Absorber Feedback
Blue Speedster XLR8
Shocking Primate Shocksquatch
Rolling Bug Ball Weevil
Gotta Go Fast Fasttrack
Imp Engineer Juryrigg
Total Failure The worst
Fish Life Walkatrout
Shining Stone Chromastone
Mind Jolt Brainstorm
Underwater Fiend Ripjaws

Multiplier Ditto Cloning
Acid Slime Goop
Brave Bird Kickin Hawk
Bottomless Pit Upchuck
Shaker Armodrillo
Hazard warrior NRG
Fighter Slammer Four Arms
Spirit of Horror Ghostfreak
Juggernaut Freak, Frankenstrike
Wereterror, Blitzerwolf
Ancient Curse, Snare-Oh

Dark Prince, Whampire
Cosmic Flyer Jetray
Splasher Water Hazard
Turtle Spinner Terraspin
Jellyfish Shocker AmpFibian
Magnetic Attraction Lodestar
Carnivorous Vine Wildvine
Gori-builder Bloxx
Fuzz power Mole-Stache
Hop to the sky Crashhopper
IQ Genius Grey Matter
Cyber Horde Nanomech
Hidden Terror Toepick
Secret Frog Bullfrag
Timer Clockwork
Liquid Shooter Spitter
Hidden in plain sight Chamalien
Omni Crisis
Happy Shifter

Dark Hunter Khyber
Alien Overlord Vilgax
Time Master Eon
Superior Highbreed
Number Hunter Eight Eight
Hungry Predators Nemetrix
Chronicle of Evil

Virus Destroyer Malware

Laval Eater Lavadrex

Outer Being Naljian

Alien Force

Ultimate Alien

Sonic Doom Echo Echo

Primal Instinct Wildmutt
Necro Blizzard Big Chill

Flaming Plant Swampfire
Arachnid Simian Spider Monkey

Burning Invader Heatblast

Now for Ben's Rider Form description

Rider form level 10 Ex-Aid with the shoulder pads and gauntlets of plumbers and the head of beet buster with the colors being green.