600

Monsters with 600 ATK

 * Ally of Justice Unlimiter
 * Ancient Tree of Enlightenment
 * Bio Plant
 * Blackwing - Calima the Haze
 * Blackwing - Jin the Rain Shadow
 * Bladefly
 * Candle of Fate
 * Chrysalis Chicky
 * Cobra Jar
 * Crystal Beast Emerald Tortoise
 * Curtain of the Dark Ones
 * Danipon
 * Dark Artist
 * Dark Prisoner
 * Dash Warrior
 * Deepsea Macrotrema
 * Destiny Hero - Doom Lord
 * Dragunity Brandistock
 * Droll Bird
 * Elemental Hero Knospe
 * Emissary of the Oasis
 * Extra Veiler
 * Eyearmor
 * Fiend's Hand
 * Fortress Warrior
 * Ganigumo
 * Genin
 * Hand of Nephthys
 * Hinotama Soul
 * Hitodenchak
 * Jinzo - Returner
 * Karakuri Watchdog mdl 313 "Saizan"
 * LaLa Li-oon
 * Level Eater
 * Little Chimera
 * Lucky Trinket
 * Madjinn Gunn
 * Magicat
 * Maniacal Servant
 * Monster Egg
 * Morphtronic Clocken
 * Mountain Warrior
 * Muka Muka
 * Naturia Tulip
 * Necro Gardna
 * Necro Linker
 * Neo-Spacian Aqua Dolphin
 * People Running About
 * Petit Angel
 * Petit Dragon
 * Phantom Ghost
 * Phantom Magician
 * Rose Fairy
 * Saggi the Dark Clown
 * Spell Striker
 * Symphonic Warrior Basses
 * Test Tiger
 * Torapart
 * Warm Worm
 * Wattkiwi
 * Weather Control
 * Zarigun

Monsters with 600 DEF

 * Abyssal Kingshark
 * Archfiend Marmot of Nefariousness
 * Archfiend Mirror
 * Barrel Lily
 * Beast of the Pharaoh
 * Big One Warrior
 * Bubonic Vermin
 * Byser Shock
 * Candle of Fate
 * Chain Thrasher
 * Chrysalis Dolphin
 * Clock Resonator
 * Cloudian - Smoke Ball
 * Commander Covington
 * Creation Resonator
 * Cyber Larva
 * Cyber Ourobors
 * Danipon
 * Dark Lucius LV6
 * Des Lacooda
 * Destiny Hero - Blade Master
 * Destiny Hero - Plasma
 * Emissary of the Afterlife
 * Enraged Muka Muka
 * Evil Hero Infernal Prodigy
 * Fairy Archer
 * Fiend's Hand
 * Fire Eye
 * Firegrass
 * Gale Dogra
 * Genex Ally Volcannon
 * Genex Undine
 * Gladiator Beast Alexander
 * Green Gadget
 * Great Angus
 * Hand of Nephthys
 * Harpie's Brother
 * Harpie's Pet Baby Dragon
 * Herald of Creation
 * Hero Kid
 * Hourglass of Life
 * Hypnocorn
 * Kageningen
 * LaLa Li-oon
 * Level Warrior
 * Magflare the Molten Swordsman
 * Magna Drago
 * Man-Eater Bug
 * Man-Eating Plant
 * Man Eater
 * Mechaleon
 * Medusa Worm
 * Mega Thunderball
 * Megirus Light
 * Mei-Kou, Master of Barriers
 * Memory Crusher
 * Mental Seeker
 * Midnight Fiend
 * Mirage Dragon
 * Mist Valley Baby Roc
 * Morphing Jar
 * Morphtronic Cameran
 * Morphtronic Datatron
 * Mushroom Man
 * Needle Worm
 * Neo-Spacian Air Hummingbird
 * Nurse Reficule the Fallen One
 * Old Vindictive Magician
 * People Running About
 * Phantom Dewan
 * Pitch-Black Warwolf
 * Pitch-Dark Dragon
 * Playful Possum
 * Proto-Cyber Dragon
 * Pursuit Chaser
 * Reaper on the Nightmare
 * Reed Butterfly
 * Rhinotaurus
 * Rose, Warrior of Revenge
 * Saber Beetle
 * Sangan
 * Serpent Marauder
 * Shiba-Warrior Taro
 * Snipe Hunter
 * Sonic Shooter
 * Stygian Security
 * Submarine Frog
 * Synchro Fusionist
 * Synchro Magnet
 * Tentacle Plant
 * The Fabled Catsith
 * The Hunter with 7 Weapons
 * The Immortal Bushi
 * The Wandering Doomed
 * Thunder Kid
 * Torapart
 * Torike
 * Unibird
 * Venom Snake
 * Volcanic Blaster
 * Vortex Trooper
 * Wings of Wicked Flame
 * Yashinoki