Start with a co-op shooter that already works and design for two players. Give them a reason to help each other, make a rescue worth the risk, and build a wave that changes their plan. Every lesson changes the same arena, so you play the original, try your change, and see what it did.
3
Lessons
490
XP Reward
Intermediate
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.

Both lead to the same design lessons. Picking one never marks a lesson as done.
Free to start. Membership after the free lessons.
A Godot 4.7 download, free with a free account. Design lesson 1 is free, the rest need membership. The browser demo on this page is solo. The download is the two-player desktop game, and two windows on one computer are enough to start.
Start the first 1 lesson free. Membership unlocks the other 2, plus every other quest and campaign.
Membership is US$25 per month or US$200 per year. Eligible new members start with 7 days free. Card required.
0 of 3 lessons completed
Free download. Needs a free account, no card.
It is the finished project for the whole quest. Use it to compare your work or to recover a broken step.
Start with a co-op shooter that already works and design for two players. Give them a reason to help each other, make a rescue worth the risk, and build a wave that changes their plan. Every lesson changes the same arena, so you play the original, try your change, and see what it did.
Finish it, then keep the momentum. Here's the logical next step.
Recommended
Two Windows Talking
See how the game you just designed is built, one system at a time. Quest 1 of 8 in the Co-op Multiplayer campaign.
Connect a desktop Godot host and clients, publish a complete player roster, and build an inspector, an application-message fault dial and a bot connection.
Free2-3 hours
State Machine AI for 3D Enemies
Optional. Not part of your current route. Needs: Code From Zero, or you can already read GDScript.
Build a full state machine AI for 3D enemies in Godot 4.x. They chase, attack, circle, back away, and react to damage with real knockback and combo tracking, the kind of enemy that actually feels alive.
First 4 lessons free10-14 hours
Advanced Inventory UI
Optional. Not part of your current route. Needs: Finish Inventory System first; Finish Stats & Leveling System first.
Turn your inventory backend into a real, playable UI: drag-and-drop, tooltips, an equipment doll, a hotbar, and save/load.
Guild Hall7-9 hours
Browse campaigns Submit a build to the Showcase Back to your dashboard