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 few months!

Official Playtest: The official playtest is LIVE! For anyone interested in testing the game prior to the demo and Early Access, please contact Nighthawk Studios for a playtest activation key. Once you receive an activation key, head over to the Playtest Page to get started!
Steam Next Fest: Our first public demo will be available February 23 - March 2. Come try the game, share feedback, and help shape development.
Early Access Release: Empyrean Defense launches into Early Access on March 5, 2026.
Steam Tower Defense Fest: We'll also be featured during March 9 - 16, giving even more players a chance to discover the game.

Status

v0.4.2 - UX Improvements and Tier 2 Site Balance Changes (December 3, 2025)

Status: 🟢 Live on Steam Playtest

New Features

New Damage/Crit popups
Add hotkey and icon for quitting the game from the play menu using a controller
Add dialogue container mission markers for better user experience during mission intros

Balance Changes

Nerf Missile Launcher Racking System upgrade from 50% -> 15%
Increase Tesla Coil damage from 20 -> 50
Increase Plasma Gun damage from 100 -> 150

Bug Fixes

Fix issue with Infinite Reserves (Tier 1) skill showing infinite icons for Tier 2/3 sites
Fix issue with hitpoints bars color being affected by range ring decals
Fix issue with Tesla Coil damage sparks lagging behind units
Fix issue with buying items in the market with the Wolf of Wall Street skill learned