Gigantamax Snorlax - G-Max Replenish
Gigantamax Charizard - G-Max Wildfire
Gigantamax Pikachu - G-Max Volt Crash
Gigantamax Eevee - G-Max Cuddle
Gigantamax Butterfree - G-Max Befuddle
Gigantamax Meowth - G-Max Gold Rush
Gigantamax Corviknight - G-Max Wind Rage
Gigantamax Alcremie - G-Max Finale
Gigantamax Drednaw - G-Max Stonesurge
Gigantamax Machamp - G-Max Chi Strike
Gigantamax Gengar - G-Max Terror
Gigantamax Toxtricity - G-Max Stun Shock
Gigantamax Melmetal - G-Max Meltdown
Gigantamax Coalossal - G-Max Volcalith
Gigantamax Sandaconda - G-Max Sandblast
Gigantamax Centiskorch - G-Max Centiferno
Gigantamax Grimmsnarl - G-Max Snooze
Gigantamax Hatterene - G-Max Smite
Gigantamax Copperajah - G-Max Steelsurge
Gigantamax Duraludon - G-Max Depletion
Gigantamax Flapple / Appletun - G-Max Tartness or Sweetness
Gigantamax Orbeetle - G-Max Gravitas
Gigantamax Garbodor - G-Max Malodor
Gigantamax Kingler - G-Max Foam Burst
Gigantamax Lapras - G-Max Resonance
Gigantamax Inteleon - G-Max Hydrosnipe
Gigantamax Cinderace - G-Max Fireball
Gigantamax Rillaboom - G-Max Drum Solo
Gigantamax Urshifu - G-Max One Blow or Rapid Flow
Gigantamax Venusaur - G-Max Vine Lash
Gigantamax Blastoise - G-Max Cannonade
Source
Source 2
For a description on what the moves do, check Source 2.
Hope I helped!
