Free QuestBeginner

Co-op Crate Combustion

Build a 3D co-op platformer in Godot 4.4. Two players, one keyboard, and a lot of crates that blow up when you pull the right lever.

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Lessons

845

XP Reward

Beginner

Difficulty

No videos to zone out to. You write the code yourself in the browser, and Code Checks show what your code passed as you go.

Local co-op for two players on one keyboard

Exploding crates and the levers that set them off

Grid-based 3D level design

Smooth fade transitions between scenes

6-9 hours 13 lessons Godot 4.x

The real thing, not a promo

Your code: Real GDScript you write yourself, line by line.

It runs: Two-player co-op running in your own project.

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Free quest. No membership needed.

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Quest Details

Est. time: 6-9 hours
Lessons: 13
XP reward: 845 XP
Difficulty: Beginner
Access: Free

Skills You'll Walk Away With

3D Platformer Physics

Local Co-op Design

Signal Architecture

Scene Management

Grid-Based Level Design

Game Polish Techniques

Quest Lessons

13 lessons

Project Setup & Your First Scene

Spin up a Godot 4.4 project, import the assets, and get a 3D scene on screen with lighting and a camera.

Player 1 Movement

Write CharacterBody3D movement: gravity, jumping, and turning the character to face where it walks.

Character Animations

Wire up an AnimationTree state machine so the player switches between Idle, Walk, Jump, and Land.

Player 2 & Co-op Input

Add custom input actions and a second player so two people can play on one keyboard.

The Lever System

Make levers that react when a player steps on them, using Area3D detection, a toggle animation, and signals.

Exploding Crates

Hook lever signals up to crates that blow apart with queue_free().

Hazard Boxes & Death

Drop hazard boxes that squash a player and reload the level when they do.

Cooperative Ladder Exit

Build an exit that only opens when both players reach it at the same time.

Stage Manager & Transitions

Set up an autoload singleton that fades between scenes instead of snapping to them.

Level Design: Tile System

Make reusable tile scenes with StaticBody3D and snap them to a grid as you build.

Level Design: Building Level 0

Lay out the tutorial level so it teaches each mechanic one at a time.

Level Design: Building Level 1

Build a tougher level that throws every mechanic at both players at once.

Polish & Final Touches

Add particles, sound, and UI, then look at ways to take the game further.

Is This Quest For You?

Perfect for you if:

You know a little GDScript and want to build something fun
You want to figure out how co-op games actually work
You like the idea of 3D platformer mechanics
You learn level design best by building levels yourself

Not for you if:

You've never opened Godot or written a line of code
You need online multiplayer with networking
You're after deep enemy AI or a combat system
You just want to paste code and skip the why

Common Questions

Your Next Build Starts Here

Ready to start this quest?

Build a 3D co-op platformer in Godot 4.4. Two players, one keyboard, and a lot of crates that blow up when you pull the right lever.

Start Lesson 1 Free

After this quest

Finish it, then keep the momentum - here's the logical next step.

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Persist player progress across sessions using a crash-safe save system.

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