SIGNAL DEFENSE

TACTICAL TOWER COMMAND

GAME GUIDE

SIGNAL LOST

DEFENSE HELD

SELECT LEVEL

CAMPAIGN

THE SIGNAL WAR

PAUSED

HOW TO PLAY

🧱

BUILD YOUR MAZE

Place walls to create winding paths for enemies. Longer paths mean more shots from your towers.

1 or B to build walls

🔫

PLACE TOWERS

Build towers on open ground or mount Blasters on walls. Match damage types to enemy weaknesses for 1.5x damage.

Keys 2-9 to select towers

⚔️

SEND WAVES

Press Space to start enemy waves. Defeat enemies to earn credits and Research Points. Upgrade towers between waves.

Space to send wave · U to upgrade

⚡

FUSE FOR POWER

Place a tower ON TOP of a compatible tower to create powerful fusions. 28 combos to discover plus 8 ultimate Stage 3 fusions!

Check the ? Game Guide for fusion recipes

FIELD MANUAL

Press H to close

TOWERS

WallBlock paths. 5c. Mount blasters on top.

BlasterBasic DPS. Physical. Can mount on walls.

RailgunPenetrates armor. Physical. Slow, heavy.

Tesla CoilChain lightning. Energy. Hits 3 targets.

Missile PodSplash AoE. Explosive. Anti-group.

Cryo TowerSlows enemies. Plasma. Perma-frost effect.

Drone BayAutonomous drones. Plasma. Chase targets.

Flak Cannon2x vs flyers. Splash. AoE radius.

Beam TowerRamps damage 2%/tick. Energy. Caps 3x.

ENEMY WEAKNESSES

Scout DroneWeak: Energy

InfantryWeak: Physical

TankWeak: EnergyResist: Physical

FlyerWeak: PhysicalResist: Plasma

HealerWeak: Energy

SplitterWeak: Splash

StealthWeak: Energy

JuggernautWeak: EnergyResist: Physical

TeleporterWeak: Splash

SpawnerWeak: Physical

FUSION RECIPES

Blaster + Railgun= Gauss Cannon

Tesla + Cryo= Permafrost

Missile + Tesla= Storm Launcher

Blaster + Missile= Gatling Pod

Railgun + Cryo= Cryo Rail

Flak + Tesla= Flak Storm

Beam + Railgun= Death Ray

QUICK TIPS

1-9: Select towers

U: Upgrade | S: Sell | B: Buy walls

T: Tech tree | H: This help

SPACE: Send wave early (+bonus)

Scroll: Zoom | Middle-click: Pan

WASD/Arrows: Pan camera

F: Fit to grid | +/-: Zoom

Build walls to maze enemies!

Place blasters ON walls!