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Elemental-rune tower defense with permadeath. Roll LAVA / GLACIER / ELECTRIC / STEEL attributes on your towers, combo into Tier 2 at Lv 10, dual-roll at Lv 15. Sell to reshape the path. 28 achievements, Steam Leaderboards, Steam Cloud.
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
Tracked since Jul 7, 2026.
Steam Social Deduction Fest ends
Official stores with direct support.
Stop every wave, or lose the run. Enemies erupt from the red portal. Your fortress — teal, glowing, alive — is the only thing between the map and extinction. One death wipes your save, so every tower placement counts.
Every tower levels from 1 → 15 with branching milestones:
Towers block the path. Traps walk over. A* pathfinding recomputes the instant you sell, so mid-wave repositioning is a real tactic — kite elites into your choke, open a shortcut, swap a Lv 10 into a Lv 1 at the front line when the money calls.
Wave 1 is a tutorial of Slimes. Wave 2+ drops a boss variant of a random species at the end of every spawn queue — 5–10× HP, larger, meaner. 13+ enemy types each have dedicated mechanics you'll learn the hard way.
Progression, Mastery, Attribute, and Fun categories. Challenge runs include Minimalist (5 towers to Wave 20), Eggshell (no walls to Wave 15), Sommelier (all four Tier 2 attributes in one run), Endless Maze (enemy path 60+ cells), and Close Call (10 waves cleared at 1 life).
Every enemy, tower, effect, and UI element is rendered in pure Canvas 2D. Portal triangles rotate. Fortress shields peel off as life drops. Wall towers auto-tile into crenellated battlements. Lv 15 dual-attribute towers shimmer with two elemental colors. No PNG sprite sheets. No pre-rendered tiles. Just code painting pixels every frame.
