Irongrim Tower
Tower defense meets city building in a grimdark sci-fi world. Build vertically, manage resources, defend against alien hordes, and command machine priests in humanity's last stronghold.
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9 itemsAbout the Game
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
