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The EMP Cannon developed by Federation Labs. Designed to disrupt enemy electronics systems. Also inflicts considerable hull damage.

Level 1 Level 2 Level 3

Ship Level 1 2 3 4 5 6 7 8 9 10 11
Number Available 0 0 0 0 0 0 0 0 0 1 1
Icon Abbreviation Size PowerPowerIcon.png Consumption Stat Enhancement AI Category
EMPCannonIcon.png EMP 4x2 0-5 WeaponWeaponIcon.png Cannon
Volley System Damage Shield Damage Direct Hull Damage EMP Length Projectile Speed Projectile Delay
3 0.3 0.7 0.2 8s Instant 0.5s
Level Reload Time Ammo Upgrade Ship Level Required
Capacity Unit Price
1 8.75s 45 100 1M 1w 10
2 8.5s 60 130 1.5M 1w 2d 10
3 8.25s 75 150 2M 1w 4d 11


The EMP Cannon is a 4x2 weapon room unlocked at level 10. It's the most reliable way of inflicting EMP to rooms because unlike the EMP Missile, the EMP Cannon's charges cannot be dodged with an Engine. Like the Plasma Discharger, the EMP Cannon requires Gas Gas.png fueled ammo to fire.


In Combat

The EMP Cannon is quite powerful and rather expensive power wise. Its high power consumption makes it rather hard to destroy, making 1-2 Armor blocks sufficient for protection. The EMP Cannon's charges can inflict nearly 10s worth of EMP, along with some other damage. This allows the EMP Cannon to stunlock rooms quite effectively. Additionally, make sure to refill its ammo after every fight.

When To Use

The EMP Cannon is the staple of level 10 ships, with little reason not to use it in most strategies. The EMP Cannon has the potential to lock down rooms like the Teleport, Shield Generator, and Hangar for the entire game if it's not disturbed. Its high space and power requirement may be hard to deal with, but its combat potential is immeasurable.


AI for the EMP Cannon is relatively straightforward. The AI should target a room the player finds a hassle to deal with. A second room should also be targetted if the first targetted room isn't very common. This is to avoid the EMP Cannon idling when the target room isn't present on the enemy's ship.

Crew Interactions

The EMP Cannon is buffed with the Weapon WeaponIcon.png stat on crew. The reload reduction formula applied when the EMP Cannon is buffed can be found here.


Powered Rooms

Weapon Rooms

Laser Rooms: Mineral Mining LaserKias PhaserK BlasterPhoton PhaserPlasma DischargerParticle DischargerLaser BlasterPhoton DisruptorEMP CannonIon Cannon

Ballistic Rooms: BolterMinigunRailgun

Missile/DOA Rooms: Missile LauncherMulti Missile LauncherHangarTeleportSmall Weapons PlatformMedium Weapons Platform

Defensive Rooms

Defends Via Damage: Anti Craft LaserSecurity GateGas TrapZaki Tentacle GardenDisintegrator Gate

Defends Via Support: Shield GeneratorShield BatteryMed BayToiletAndroid StudioVisiri MechbayRadar

Defends Via Dodge: EngineFusion Drive EngineCloak Generator


Small ReactorFusion ReactorCoal Reactor