Compile & Defend

48 achievements

Ultra Rare×24

Very Rare×9

Rare×9

Uncommon×1

Common×5

About Compile & Defend's achievements

Compile & Defend has 48 Steam achievements, 24 of them ultra-rare — unlocked by under 5% of players. The rarest is "Bare Metal", earned by just 0.5% of players. Below is the complete achievement list with global rarity and a full achievement difficulty breakdown.

Rarest achievement

0.5%

of players earned "Bare Metal"

🗺️ Community guides & walkthroughs

Community Ratings

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Difficulty—

Easy → Brutal

Enjoyment—

Meh → Loved it

Grindiness—

No grind → Huge grind

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All Compile & Defend achievements

48 achievements

Bare Metal

Beat any map on Hardcore, with the convenience API stripped away.

Ultra Rare0.5%

No Standard Library

Beat an Advanced map on Hardcore.

Ultra Rare0.5%

Open Source

Publish a level to the Steam Workshop.

Ultra Rare0.5%

Principal Engineer

Beat all five Advanced maps.

Ultra Rare1.0%

Solved the Maze

Beat all 24 waves of Labyrinth.

Ultra Rare1.0%

Kernel Panic

Beat all 24 waves of Kernel Panic.

Ultra Rare1.0%

Hot Swap

Beat Rotation, where every round flips the threat.

Ultra Rare1.0%

Level Designer

Create and save your own level.

Ultra Rare1.0%

Full Stack

Beat every campaign map.

Ultra Rare1.6%

Stack Overflow

Write a function that calls itself too many times.

Ultra Rare1.6%

Every Tool in the Box

Place all ten tower types in a single run.

Ultra Rare1.6%

Meat Grinder

Beat Meatgrinder.

Ultra Rare1.6%

Ran the Gauntlet

Beat Gauntlet.

Ultra Rare2.1%

Senior Developer

Beat all four Intermediate maps.

Ultra Rare2.7%

Peer Reviewed

Earn all three stars on every campaign map.

Ultra Rare3.2%

Full Sweep

Destroy 100,000 enemies.

Ultra Rare3.2%

Uptime

Reach freeplay round 50.

Ultra Rare3.2%

Pull Request

Beat five levels made by other players.

Ultra Rare3.2%

Junior Developer

Beat all four Beginner maps.

Ultra Rare3.8%

Production Ready

Beat every campaign map on Hard.

Ultra Rare3.8%

Pattern Matching

Clear a wave using a switch / match statement.

Ultra Rare3.8%

Refactor Everything

Sell ten towers in a single run.

Ultra Rare3.8%

Memory Leak Fixed

Destroy 10,000 enemies.

Ultra Rare4.3%

Polyglot

Clear a level in all seven coding languages.

Ultra Rare4.8%

Multilingual

Clear a level in three different coding languages.

Very Rare5.9%

Copy, Paste, Ship

Save five snippets to your library.

Very Rare7.0%

Infinite Loop

Blow the per-tick instruction budget.

Very Rare7.0%

Segmentation Fault

Lose a run on the very first round.

Very Rare7.6%

Zero Warnings

Earn all three stars on all seven tutorial stages.

Very Rare8.1%

Optimization Pass

Beat any campaign map on Hard.

Very Rare9.2%

Long Running Process

Reach freeplay round 20.

Very Rare10.8%

Three Green Checks

Earn all three stars on a single campaign map.

Very Rare12.5%

No Leaks

Beat a campaign map without losing a single life.

Very Rare14.1%

Recursive Cleanup

Destroy a Titan and every enemy it spawns, in the same round.

Rare17.3%

Don't Repeat Yourself

Clear a wave with a script that defines and calls its own function.

Rare18.4%

Garbage Collection

Destroy 1,000 enemies.

Rare19.0%

Refactored

Earn a Mastery star on any campaign map.

Rare19.5%

Titan Slayer

Destroy a Titan.

Rare19.5%

Shipped It

Beat any campaign map.

Rare20.1%

Null Pointer

Reveal a Shade with a Detect tower and destroy it.

Rare21.1%

Fully Compiled

Clear all seven tutorial stages.

Rare24.4%

Loop de Loop

Clear the swarm stage with a `for` loop.

Rare28.2%

Learning the Syntax

Clear the first four tutorial stages.

Uncommon40.7%

Code Golf

Earn the brevity badge on any tutorial stage.

Common77.1%

RTFM

Open the in-game language reference.

Common80.9%

Big-O Notation

Earn the efficiency star on any tutorial stage.

Common82.0%

Hello, World

Compile a script and land your first shot.

Common87.5%

First Blood

Destroy your first enemy.

Common87.5%