Martian Madness

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Pc only.png Desktop-Only Content: This information (or parts of it) applies only to the desktop version of Terraria.

Martian Saucer Trophy.png "Martians are invading!" Martian Saucer Trophy.png

Martian Probe.png Martian Probe (alarmed).png
The Martian Probe before spotting the player (left) and after (right). If the Probe is able to escape after detecting the player, the event begins.

Martian Madness is a Hardmode, post-Golem invasion-style event that includes several alien-themed enemies. It can be triggered only after Golem has been defeated.

Martian Madness is triggered by a Martian Probe, which spawns randomly in the two outer thirds of the map horizontally (with a higher spawn chance in the Space layer). When this small flying enemy detects a player or is attacked, it immediately attempts to fly away. If the Probe is allowed to escape without being destroyed by players, the Martian Madness event begins.

Once triggered, the status message "Martians are invading!" appears, and UFOs start flying in the background (see preview Banner); though Martian Madness enemies will not actually begin spawning until the player is located near the default spawn point or near an NPC with valid housing. As with other invasion-style events, a progress bar is shown in the bottom right corner while the event is ongoing. This bar fills as event enemies are defeated. When it reaches 100%, the event ends and new Martian enemies stop spawning.

Content[edit | edit source]

Extra 10.png
Martian Madness progress bar icon
Martian Madness
Characters Unique Drops
Martian Saucer.png Martian Saucer
Scutlix.png Scutlix
Martian Walker.png Martian Walker
Martian Drone.png Martian Drone
Tesla Turret.png Tesla Turret
Gigazapper.png Gigazapper
Martian Engineer.png Martian Engineer
Martian Officer.png Martian Officer
Ray Gunner.png Ray Gunner
Gray Grunt.png Gray Grunt
Brain Scrambler.png Brain Scrambler


Martian Scutlix Gunner Banner.png Martian Scutlix Gunner Banner
Scutlix Banner.png Scutlix Banner
Martian Walker Banner.png Martian Walker Banner
Martian Drone Banner.png Martian Drone Banner
Martian Tesla Turret Banner.png Martian Tesla Turret Banner
Martian Gigazapper Banner.png Martian Gigazapper Banner
Martian Engineer Banner.png Martian Engineer Banner
Martian Officer Banner.png Martian Officer Banner
Martian Raygunner Banner.png Martian Raygunner Banner
Martian Gray Grunt Banner.png Martian Gray Grunt Banner
Martian Brainscrambler Banner.png Martian Brainscrambler Banner

From all enemies:

Martian Conduit Plating.png Martian Conduit Plating

From all walking enemies::

Martian Costume Mask.png Martian Costume Mask
Martian Costume Shirt.png Martian Costume Shirt
Martian Costume Pants.png Martian Costume Pants
Martian Uniform Helmet.png Martian Uniform Helmet
Martian Uniform Torso.png Martian Uniform Torso
Martian Uniform Pants.png Martian Uniform Pants

From Scutlix:

Brain Scrambler (item).png Brain Scrambler (item)

From Martian Saucer:

Laser Machinegun.png Laser Machinegun
Xenopopper.png Xenopopper
Xeno Staff.png Xeno Staff
Cosmic Car Key.png Cosmic Car Key
Laser Drill.png Laser Drill
Electrosphere Launcher.png Electrosphere Launcher
Charged Blaster Cannon.png Charged Blaster Cannon
Influx Waver.png Influx Waver
Anti-Gravity Hook.png Anti-Gravity Hook
Martian Saucer Trophy.png Martian Saucer Trophy

Achievement[edit | edit source]

Achievement Tin-Foil Hatter.png Tin-Foil Hatter"Triumph over a martian invasion, when beings from out of this world come to scramble your brains and probe you in uncomfortable places."
Defeat the martian invasion for the first time. Pc only.png

Notes[edit | edit source]

  • Martian Madness seems to be the rarest event in Terraria, because it is the only invasion event that cannot be summoned manually and Martian Probe will not spawn in center third of map where most players create their base.
  • A Martian Probe will not spawn if the Lunar Events are active, if a Martian Madness event is already started, or if another Martian Probe is currently already present anywhere in the world.
  • Playing in Expert mode does not increase the drop rate of Martian Madness items.
  • It is possible to override Martian Madness with the Pumpkin Moon, Frost Moon, or other events.
  • Exiting the world just before the Probe despawns may prevent the event from occurring when it is re-entered.

Tips[edit | edit source]

  • You may want to avoid killing smaller enemies to allow more Martian Saucers to spawn during one event, as it has the most valuable drops. Moving to a small arena high enough above the ground makes it easier to ensure no ground-based enemies spawn around you.
  • While most Minions will not deliberately target the Martian Probe, some can still accidentally kill it before it has the chance to detect players and escape, preventing the event from triggering. Minions should be dismissed if the player is trying to cause an invasion to occur.

Trivia[edit | edit source]

  • The Tesla Turret is based upon the Tesla Coils, invented by Nikola Tesla, which can look similar and are often used to generate arcing electrical discharges ("artificial lightning").
  • The Martian Walker is a reference to the tripod-like Fighting Machines from H.G. Wells' novel The War of the Worlds.
  • Unlike most other enemies in the game, Martians have purple blood when killed rather than red.
  • The achievement says "...comes down to scramble your brains and probe you in uncomfortable places.." The probing might be a reference to South Park; the aliens in the show would probe you through your anus.

History[edit | edit source]

Random Events Rain • Pc only.png Slime Rain • Blood Moon • Pc only.png Sandstorm • Solar Eclipse
Summoned Events Goblin Army • Frost Legion • Pirate Invasion • Solar Eclipse • Pumpkin Moon • Frost Moon • Pc only.png Martian Madness • Pc only.png Lunar Events  • Pc only.png Party  • Pc only.png Old One's Army
Seasonal Events Mobile only.pngChinese New Year • Mobile only.pngValentine's Day • Mobile only.pngSt. Patrick's Day • Mobile only.pngEaster • Mobile only.pngOktoberfest • Mobile only.pngThanksgiving • Halloween • Christmas