The Armory in Marauder's Sea is unique: troop weapons, then naval mines at level 4. Costs and upgrades.
One shed per captain. That is the rule. The Armory is where fists become swords, then muskets, then cartridge guns — and where the sea mines are born.
One per player. Unique. Weapon tiers: swords, muskets, cartridge guns. Level 4 unlocks Naval Mines. Costs $500k / $1.5M / $3M then $2M. Upgradable. About 8 seconds to build.
Back to the building list or pick a map like X Marks the Spot and play this mobile strategy game in the browser.