Thermopylae   /   Siege trials

Kronos
Bastion

Hold the pass

One gate. Two paths. Build your defences and cover the other approach with your weapon.

Choose an arena

Choose a trial

Choose a campaign

SiegeEight waves and a Colossus finale. PatrolThe original four waves.

Drag the arena to aim. Use the left pad to move and hold Fire during a wave.

WASD

Move

Mouse

Aim & fire

Space

Fire

Shift

Aim down sights

1–4

Build

5–7

Choose a boon

E

Throw lever

Enter

Start wave