Welcome to the Empyrean Defense Wiki

Welcome to the official wiki for Empyrean Defense! Use the links below or in the sidebar to explore the wiki or search for a specific topic.

About

Empyrean Defense is a modern warfare tower defense game where you build, upgrade, and customize defenses to hold back an enemy invasion. Learn abilities and skills, craft advanced ammunition, and gather resources on the battlefield to strengthen and expand your defense.

News

We're gearing up for an exciting 2026!

  • Official Playtest: The official playtest is LIVE! For anyone interested in testing the game prior to the demo and Early Access, please sign up here. Once your submission is accepted, you will receive an activation key and can head over to the Playtest Page to get started!
  • Public Demo: The public demo is LIVE! Come try the game, share feedback, and help shape development.
  • Steam Next Fest: Check out Empyrean Defense at Steam Next Fest June 15-22, 2026.
  • Early Access Release: Empyrean Defense launches into Early Access on July 23, 2026.

Status

v0.14.3 - Equipment Crafting, New Skills & Items, Shipwrecked Achievement (May 8, 2026)

Status: 🟢 Live on Steam Demo 🟢 Live on Steam Playtest

New Features

  • Added Equipment Crafting to the Foundry
  • Added the Void Resonator Core and Nanite Fabricator Mesh rare resources
  • Added the Shipwrecked achievement
    • Discover the wreckage of a long lost battleship hidden beneath the waves
  • Added base armor ratings to all sites
  • Added Fortification Payload equipment to improve site armor
  • Added the First Strike skill
    • Each site's opening strike on an enemy deals 10% bonus damage and has a 10% increased critical hit chance
  • Added the Fortified Foundations skill
    • Grants all sites a permanent 10% increase to their armor rating, reducing incoming damage
  • Added the Acid Rain ability
    • Showers the area in corrosive acid, dealing armor-piercing damage over time

Balance Changes

  • Increased wave sizes in Sunflare Dunes
  • Increased Speed Medal completion times in Sunflare Dunes to account for larger waves
  • Increased equipment prices in the Market to encourage crafting through the Foundry

Bug Fixes

  • Fixed an issue where the star icon could block mouse hover detection on main menu buttons for completed save files