Chthonian TD

Chthonian TD

27 achievements
Ultra Rare×7
Very Rare×6
Rare×5
Uncommon×2
Common×7

About Chthonian TD's achievements

Chthonian TD has 27 Steam achievements, 7 of them ultra-rare — unlocked by under 5% of players. The rarest is "Builder III", earned by just 2.2% of players. Below is the complete achievement list with global rarity and a full achievement difficulty breakdown.

Rarest achievement
2.2%
of players earned "Builder III"

Community Ratings

No ratings yet
Difficulty—
Easy → Brutal
Enjoyment—
Meh → Loved it
Grindiness—
No grind → Huge grind
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All Chthonian TD achievements

27 achievements
Builder III
Builder III
Place 500 towers.
Ultra Rare2.2%
Master Builder
Master Builder
Place 1,000 towers.
Ultra Rare2.2%
World Eraser
World Eraser
Defeat 10,000 enemies.
Ultra Rare2.2%
CATACOMBS.
CATACOMBS.
Clear a run in the CATACOMBS.
Ultra Rare2.2%
Harbinger of Extinction
Harbinger of Extinction
Defeat 5,000 enemies.
Ultra Rare4.4%
Engineer’s Obsession
Engineer’s Obsession
Upgrade towers 5,000 times.
Ultra Rare4.4%
Trial by Fire
Trial by Fire
Clear a run in the Molten Depths.
Ultra Rare4.4%
Permanent Advantage
Permanent Advantage
Purchase 20 upgrades.
Very Rare6.6%
Frozen Resolve
Frozen Resolve
Clear a run in the Frozen Caverns.
Very Rare8.8%
Compounding Power
Compounding Power
Purchase 10 upgrades.
Very Rare11.1%
Swarmcrusher
Swarmcrusher
Win a run with enemy amount set to 3.0×.
Very Rare11.1%
Tinkerer III
Tinkerer III
Upgrade towers 500 times.
Very Rare13.3%
Swarm Control
Swarm Control
Win a run with enemy amount set to 2.0× or higher.
Very Rare13.3%
Forgotten No More
Forgotten No More
Clear a run in the Forgotten Ruins.
Rare17.7%
Relentless
Relentless
Defeat 500 enemies.
Rare20.0%
Tinkerer II
Tinkerer II
Upgrade towers 100 times.
Rare20.0%
Long-Term Plan
Long-Term Plan
Purchase 5 upgrades.
Rare24.4%
Builder II
Builder II
Place 50 towers.
Rare26.6%
Beyond the Boss
Beyond the Boss
Enter Endless Mode once.
Uncommon40.0%
First Investment
First Investment
Purchase 1 upgrade.
Uncommon46.6%
Into the Mines
Into the Mines
Clear a run in the Abandoned Mines.
Common53.3%
Hundred Fallen
Hundred Fallen
Defeat 100 enemies.
Common57.7%
Tinkerer I
Tinkerer I
Upgrade towers 10 times.
Common57.7%
First Victory
First Victory
Win a run.
Common57.7%
First Stand
First Stand
Win a run with enemy amount set to 1.0× or higher.
Common57.7%
First Blood
First Blood
Defeat 5 enemies.
Common75.5%
Builder I
Builder I
Place 5 towers.
Common75.5%