Irongrim Tower

The factory world of Hephaestus burns. Once a beacon of industry and production is now a graveyard of steel and fire. Endless xeno hordes swarm across its ruined surface, and you command the final stronghold: A lone sentinel tower standing as humanity's last defense against total annihilation.

Irongrim Tower is a unique fusion of tower defense and city-building strategy, set in a compelling dark science fiction universe. As Station Commander, you must build upward from a central core, creating a towering bastion that serves as both fortress and city while managing supply chains and defending against relentless alien attacks from both sides.

Build Your Vertical Empire

• 120+ Building Types across multiple categories: residential districts, industrial facilities, power infrastructure, defensive installations, religious shrines, and specialized laboratories• Build layer by layer, creating a magnificent tower that reaches toward the stars• Underground Expansion- Drill beneath the surface to uncover ancient secrets and expand your base downward

Command Your People

• Transform colonists into factory workers, machine priests, biomancers, engineers, and elite combat specialists• Population Dynamics - Each colonist has unique stats, backstories, and specializations that affect their performance• Recruit and train defenders including assassins, officers, and specialized military units• Worker Assignment - Strategically assign personnel to maximize efficiency and unlock building potential

Defend Against the Xeno Threat

Face endless waves of alien invaders with distinct combat roles:• Enemies assault from both left and right flanks simultaneously, forcing tactical decisions• Diverse Enemy Types each with unique behaviors and abilities• Survive increasingly dangerous attacks as enemy numbers and varieties grow

Technology & Faith

Discover ancient artifacts and embrace the machine religions that shape your technological advancement:• Archaeological Discovery - Uncover technology shards through drilling and exploration• Arrange artifacts on religious grids to unlock powerful upgrades and new capabilities