Defend your fortress and turn it into a screen-clearing arsenal. Survive swarms of enemies, collect crystals, and explore a 600+ node tech tree. Fortress Full Fury blends bullet-heaven combat and incremental progression with absurd encounters until the whole screen becomes a visual disaster.
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Fortress Full Fury
SteamAbout Fortress Full Fury
YOU ARE THE FORTRESS
Pick and upgrade the right perks to help the tower survive. Lower your weapons whenever you can to collect crystals and scrap to level up. Aim and shoot manually for additional firepower.
LOSE THE RUN. WIN THE WAR.
Spend your hard earned crystals on hundreds of meaningful upgrades that unlock more and more perks for you to choose during your run.
EXPECT THE ABSURD
WHALE.
Steam data © 2026 Valve Corporation. Trademarks are property of their respective owners.
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