Once Upon a Siege

Once Upon a Siege is a VR tower defence game in which you fight as a defender in quasi-medieval sieges on a local planet in the Galactic Feudalist League's system. You face two NPC armies across 10 levels, using a cannon, defensive systems and your weapon to hold your keep until time runs out.

Prepare your defences

Before and during sieges, you can buy upgrades in the space station shop. These include personal upgrades, cannon and defence tower improvements, explosive rounds and special defensive technology. You also manage your base's energy: each upgrade consumes power, so you decide which systems to run. Buying extra power cables lets you connect more functionality and upgrades.

Fight the siege

Enemy forces send different siege units against your walls. Man the cannon to weaken the assault, disable siege towers carrying raiding parties and ram towers, destroy reinforcement dropships, gunships and cannons, and stop missile-throwing golems from breaching your defences. If the attackers reach your keep, you can draw your weapon and shoot them.

Repair and endure

A wall-building system lets you quickly rebuild walls and patch holes before enemy armies pass through. Defensive upgrades can create smoke shields or forcefields around walls, buying time to survive. Hold out until the timer runs out by protecting your walls and neutralising the enemy's strength.