This is a handy reference guide for any of you who happened to have missed a game or two. It lists the Robot Masters and Mavericks, their respective weapons, and that boss(es) the weapon works best on.One asterisk (*) indicates that the weapon indicated is capable of destroying certain blocks or barriers.
A double asterisk (**) indicates for the non-X games that the indicated weapon can be "charged up."
A double asterisk (**) indicates for X games that the indicated weapon can "grab" items from a distance.
| ROBOT MASTER | WEAK AGAINST | WEAPON | EFFECTIVE ON |
| Cutman | Power Arm* | Rolling Cutter | Elecman |
| Elecman | Rolling Cutter | Elec Beam* | Iceman |
| Iceman | Elec Beam* | Ice Slasher | Fireman |
| Fireman | Ice Slasher | Fire Storm | Bombman |
| Bombman | Fire Storm | Big Bomb(?) | Gutsman |
| Gutsman | Big Bomb | Power Arm* | Cutman |
| ROBOT MASTER | WEAK AGAINST | WEAPON | EFFECTIVE ON |
| Airman | Leaf Shield | Air Shooter | Crashman |
| Quickman | Time Stopper | Quick Boomerang | Metalman, Bubbleman |
| Heatman | Bubble Lead | Atomic Fire** | Woodman |
| Crashman | Air Shooter | Crash Bomb* | Flashman, goes through Woodman's Leaf Shield |
| Flashman | Metal Blade, Crash Bomb* | Time Stopper | Quickman |
| Metalman | Quick Boomerang | Metal Blade | Bubbleman, Flashman, himself (1 HIT!! Wow!) |
| Woodman | Atomic Fire** | Leaf Shield | Airman |
| Bubbleman | Metal Blade, Quick Boomerang | Bubble Lead | Heatman |
| ROBOT MASTER | WEAK AGAINST | WEAPON | EFFECTIVE ON | |
| Hardman | Magnet Missile | Hard Knuckle* | Topman, Crashman | |
| Sparkman | Shadow Blade | Spark Shock | Magnetman, Airman | |
| Snakeman | Needle Cannon | Search Snake | Geminiman, Quickman, Gamma, himself | |
| Needleman | Gemini Laser | Needle Cannon | Snakeman, Woodman | |
| Topman | Hard Knuckle* | Top Spin | Shadowman, Gamma | |
| Shadowman | Top Spin | Shadow Blade | Magnet Man, Sparkman, Heatman | |
| Magnetman | Spark Shock, Shadow Blade | Magnet Missile | Hardman, Metalman | |
| Geminiman | Search Snake | Gemini Laser | Needleman, Quickman |
SPECIAL NOTE: Robot Masters' own weapons kill them in 7 hits.
| ROBOT MASTER | WEAK AGAINST | WEAPON | EFFECTIVE ON |
| Dustman | Ring Boomerang | Dust Crusher | Skullman |
| Skullman | Dust Crusher | SkullBarrier | Diveman |
| Diveman | Skull Barrier | Dive Torpedo | Drillman |
| Drillman | Dive Torpedo | Drill Bomb* | Toadman |
| Toadman | Drill Bomb* | Rain Flush | Brightman |
| Brightman | Rain Flush | Bright Stopper | Pharoahman |
| Pharoahman | Bright Stopper | Pharoah Shot** | Ringman |
| Ringman | Pharoah Shot** | Ring Boomerang | Dustman |
| ROBOT MASTER | WEAK AGAINST | WEAPON | EFFECTIVE ON |
| Waveman | Charge Kick | Water Wave | Starman |
| Starman | Water Wave | Star Crash | Gravityman |
| Gravityman | Star Crash | Gravity Hold | Gyroman |
| Gyroman | Gravity Hold | Gyro Attack | Crystalman |
| Stoneman | Napalm Bomb | Power Stone | Chargeman |
| Chargeman | Power Stone | Charge Kick | Waveman |
| Napalmman | Crystal Eye | Napalm Bomb | Stoneman |
| Crystalman | Gyro Attack | Crystal Eye | Napalmman |
| ROBOT MASTER | WEAK AGAINST | WEAPON | EFFECTIVE ON |
| Knightman | Yamato Spear | Knight Crush | Centaurman |
| Yamatoman | Silver Tomahawk | Yamato Spear | Knightman |
| Centaurman | Knight Crush | Centaur Flash | Windman |
| Blizzardman | Fire Blast | Blizzard Attack | Plantman |
| Flameman | Wind Crusher | Fire Blast | Blizzardman |
| Plantman | Blizzard Attack | Plant Barrier | Tomahawkman |
| Windman | Centaur Flash | Wind Crusher | Flameman |
| ROBOT MASTER | WEAK AGAINST | WEAPON | EFFECTIVE ON |
| Junkman | Tunder Bolt | Junk Shield | Freezeman |
| Freezeman | Junk Shield | Freeze Cracker | Slashman, Burstman |
| Burstman | Freeze Cracker, Scorch Wheel | Danger Wrap | Cloudman |
| Springman | Slash Claw | Wild Coil** | Shademan |
| Slashman | Freeze Cracker | Slash Claw | Springman |
| Turboman | Noise Crush** | Scorch Wheel | Burstman |
| Shademan | Wild Coil** | Noise Crush** | Turboman |
| Cloudman | Danger Wrap | Thunder Bolt | Junkman |
| ROBOT MASTER | WEAK AGAINST | WEAPON | EFFECTIVE ON |
| Grenademan | Homing Sniper | Flash Bomb | Frostman |
| Frostman | Flash Bomb | Ice Wave | Tenguman |
| Tenguman | Ice Wave | Tornado Hold | Clownman |
| Clownman | Tornado Hold | Thunder Claw | Astroman |
| Astroman | Thunder Claw | Astro Crush | Aquaman |
| Aquaman | Astro Crush | Water Baloon | Swordman |
| Swordman | Water Bubble | Flame Sword | Searchman |
| Searchman | Flame Sword | Homing Sniper | Grenademan |
(Special thanks to Moses "Mr. X" Gomez for the weapons info on MM 5, 6 and 8.)
| ROBOT MASTER | WEAK AGAINST | WEAPON | EFFECTIVE ON |
| Astroman | Magic Card | Copy Vision | Dynamoman |
| Dynamoman | Copy Vision | Lighting Bolt | Coldman |
| Coldman | Lightning Blot | Ice Wall | Burnerman |
| Burnerman | Ice Wall | Wave Burner | Pirateman |
| Pirateman | Wave Burner | Remote Mine | Groundman |
| Groundman | Remote Mine | Spread Drill | Tenguman |
| Tenguman | Spread Drill | Tengu Blade | Magicman |
| Magicman | Tengu Blade | Magic Card | Astroman |
(Special thanks to Mandi Paugh for the Rockman and Forte information!)
| ROBOT MASTER | WEAK AGAINST | WEAPON | EFFECTIVE ON |
| Gutsman | Crash Bomb | Power Arm | Iceman |
| Iceman | Power Arm | Ice Slasher | Heatman |
| Heatman | Ice Slasher | Atomic Fire** | Woodman |
| Woodman | Atomic Fire** | Leaf Shield | Cutman |
| Cutman | Leaf Shield | Rolling Cutter | Crashman |
| Crashman | Rolling Cutter | Crash Bomb | Gutsman |
| ROBOT MASTER | WEAK AGAINST | WEAPON | EFFECTIVE ON |
| Geminiman | Magnet Missile | Gemini Laser | Napalmman |
| Napalmman | Gemini Laser | Napalm Bomb | Gyroman |
| Gyroman | Napalm Bomb | Gyro Attack | Plantman |
| Plantman | Gyro Attack | Plant Barrier | Dustman |
| Dustman | Plant Barrier | Dust Crusher | Magnetman |
| Magnetman | Dust Crusher | Magnet Missile | Geminiman |
| ROBOT MASTER | WEAK AGAINST | WEAPON | EFFECTIVE ON |
| Shademan | Slash Claw | Noise Crush** | Turboman |
| Turboman | Noise Crush** | Scorch Wheel | Cloudman |
| Cloudman | Scorch Wheel | Thunder Bolt | Junkman |
| Junkman | Thunder Bolt | Junk Shield | Freezeman |
| Freezeman | Junk Shield | Freeze Cracker | Slashman |
| Slashman | Freeze Cracker | Slash Claw | Shademan |
| MAVERICK | WEAK AGAINST | WEAPON | EFFECTIVE ON |
| Launch Octopus | Rolling Shield | Homing Torpedo | Boomer Kuwanger |
| Chill Penguin | Fire Wave | Shotgun Ice | Spark Mandrill |
| Storm Eagle | Chameleon Sting | Storm Tornado | Flame Mammoth |
| Armored Armadillo | Electric Spark | Rolling Shield | Launch Octopus |
| Sting Chameleon | Boomerang Cutter** | Chameleon Sting | Storm Eagle |
| Flame Mammoth | Storm Tornado | Fire Wave | Chill Penguin |
| Boomer Kuwanger | Homing Torpedo | Boomerang Cutter** | Sting Chameleon |
| Spark Mandrill | Shotgun Ice | Electric Spark | Armored Armadillo |
| MAVERICK | WEAK AGAINST | WEAPON | EFFECTIVE ON |
| Wire Sponge | Sonic Slicer | Strike Chain** | Wheel Gator |
| Crystal Snail | Magnet Mine | Crystal Hunter | Overdrive Ostrich |
| Wheel Gator | Strike Chain** | Spin Wheel* | Bubble Crab. |
| Bubble Crab | Spin Wheel* | Bubble Splash | Flame Stag, Violen |
| Overdrive Ostrich | Crystal Hunter | Sonic Slicer | Wire Sponge, Serges |
| Morph Moth | Speed Burner | Silk Shot | Magna Centipede |
| Flame Stag | Bubble Splash | Speed Burner | Morph Moth, Zero |
| Magna Centipede | Silk Shot | Magnet Mine | Crystal Snail, Agile |
| MAVERICK | WEAK AGAINST | WEAPON | EFFECTIVE ON |
| Neon Tiger | Spinning Blade | Ray Splasher | Gravity Beetle |
| Tunnel Rhino | Acid Burst | Tornado Fang* | Volt Catfish |
| Blizzard Buffalo | Parasitic Bomb | Frost Shield | Toxic Seahorse |
| Blast Hornet | Gravity Well | Parasitic Bomb | Blizzard Buffalo |
| Gravity Beetle | Ray Splasher | Gravity Well | Blast Hornet |
| Toxic Seahorse | Frost Shield | Acid Burst | Tunnel Rhino |
| Volt Catfish | Tornado Fang* | Triad Thunder | Crush Crawfish |
| Crush Crawfish | Triad Thunder | Spinning Blade | Neon Tiger |
| MAVERICK | WEAK AGAINST | WEAPON | EFFECTIVE ON |
| Magma Dragoon | Double Cyclone | Rising Fire | Frost Walrus |
| Frost Walrus | Rising Fire | Frost Tower | Jet Stingray |
| Jet Stingray | Frost Tower | Ground Hunter | Slash Beast |
| Slash Beast | Ground Hunter | Twin Slasher | Web Spider |
| Web Spider | Twin Slasher | Lightning Web | Split Mushroom |
| Split Mushroom | Lightning Web | Soul Body | Cyber Peacock |
| Cyber Peacock | Soul Body | Aiming Laser | Storm Owl |
| Storm Owl | Aiming Laser | Double Cyclone | Magma Dragoon, Double |
| MAVERICK | WEAK AGAINST | TECHNIQUE | EFFECTIVE ON |
| Magma Dragoon | Raijingeki | Ryuuenjin
(Dragonfire Blade) | Frost Walrus, Cyber Peacock |
| Frost Walrus | Ryuuenjin | Hyoretsuzan
(Ice Stab) | Jet Stingray, Colonel |
| Jet Stingray | Hyoretsuzan, Kuuenbu | Hyenkyaku
(Flying Kick) | -- |
| Slash Beast | Kuuenbu | Shippuuga
(Hurricane Fang) | Web Spider |
| Web Spider | Kuuenbu, Shippuuga | Raijingeki
(Raijin Attack) | Split Mushroom, Magma Dragoon |
| Split Mushroom | Raijingeki | Kuuenbu / Kuuenzan
(Sky Dance / Sky Slash) | Jet Stingray, Slash Beast |
| Cyber Peacock | Ryuuenjin | Rakuhouha
(Fallen Phoenix Wave) | Storm Owl |
| Storm Owl | Rakuhouha | Tenkuuha
(Heavenly Mandate) | -- |
| MAVERICK | WEAK AGAINST | WEAPON | EFFECTIVE ON |
| Grizzly Slash | Spike Ball | Crescent Shot | Duff McWhalen |
| Squid Addler | Goo Shaver | Tri-Thunder | Izzy Glow |
| Izzy Glow | Tri-Thunder | Shining Laser | Dark Dizzy |
| Duff McWhalen | Crescent Shot | Goo Shaver | Squid Addler, Mattrex |
| The Skyver | Dark Hold | Wing Spiral | Mattrex |
| Axel the Red | Ground Fire | Spike Ball | Grizzley Slash |
| Dark Dizzy | Shining Laser | Dark Hold | The Skyver |
| Mattrex | Goo Shaver, Wing Spiral | Ground Fire | Axel the Red |
| MAVERICK | WEAK AGAINST | TECHNIQUE/WEAPON | EFFECTIVE ON |
| Grizzly Slash | Twin Dream | Crescent Sword
(Mikazukizan) | Duff McWhalen |
| Squid Addler | Ice Splasher | Electric Blade
(Denjin) | Izzy Glow |
| Izzy Glow | Electric Blade | C-Flasher
(Messenko) | Dark Dizzy |
| Duff McWhalen | Crescent Sword | Ice Splasher
(Hishuisho) | The Skyver, Mattrex, Squid Addler |
| The Skyver | Dark Hold, Ice Splasher | Wind Slash
(Shipuu) | Mattrex |
| Axel the Red | Ground Burn | Twin Dream
(Sogenmu) | Grizzly Slash |
| Dark Dizzy | C-Flasher | Dark Hold | The Skyver |
| Mattrex | Wind Slash, Ice Splasher | Ground Burn
(Danchien) | Axel the Red |
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