Empyrean Defense

Empyrean Defense is a strategic tower defense game set during an invasion of the Empyrean Realm. A ruthless enemy commander is searching for the Empyreal Core, an ancient secret technology hidden deep within the realm. As the last line of defense, you deploy, upgrade and adapt military, economic, power and support sites to withstand increasingly intense assaults.

Build your defenses

You command more than 25 sites, including sniper towers, missile launchers, research centers and power plants. Military sites engage enemies, economic sites generate resources for expansion and upgrades, power sites maintain the energy grid, and support sites research technologies to enhance and specialize your defenses. You can upgrade and modify key components to adapt your sites to the battlefield.

Adapt to enemy waves

More than 20 enemy units and bosses attack across ground, naval and airborne waves. The skill tree has over 40 skills across four branches, while more than 15 active abilities let you call in airstrikes, deploy protective bubble shields, or alter the battlefield with lightning storms and blizzards. Quick decisions, positioning and long-term planning matter as enemy pressure escalates.

War across 19 regions

The campaign takes you through 19 regions, including forests, deserts, snowy mountains, jungles and war-torn cities. Each region brings new threats, terrain challenges and enemy tactics.

Story and characters

Four core characters provide tactical guidance and battlefield banter as the conflict unfolds. You must stop the enemy commander before he unlocks the power of the Empyreal Core.