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The Cherno

The Cherno

752.0K subscribers

https://www.youtube.com/channel/...

Introducing the NEW 3D Game Engine Series

3 weeks agoIntroducing the NEW 3D Game Engine Series

Let's Talk About AI

last monthLet's Talk About AI

Code Reviewing My Own Game Engine Series (Hazel 2D)

3 months agoCode Reviewing My Own Game Engine Series (Hazel 2D)

Hazel's New Renderer IS DONE!

3 months agoHazel's New Renderer IS DONE!

How to become a Software Engineer in 2026

4 months agoHow to become a Software Engineer in 2026

Is This C++ Code Actually Safe?

4 months agoIs This C++ Code Actually Safe?

Reference Counting in C++

4 months agoReference Counting in C++

C++ CHESS ENGINE using Walnut! // Code Review

5 months agoC++ CHESS ENGINE using Walnut! // Code Review

Goodbye (kind of)

5 months agoGoodbye (kind of)

High-Performance GPU Compute C++ Minecraft Clone! // Code Review

6 months agoHigh-Performance GPU Compute C++ Minecraft Clone! // Code Review

DON'T DELETE THIS! // Bugs of C++

6 months agoDON'T DELETE THIS! // Bugs of C++

HTTP SERVER in C++

7 months agoHTTP SERVER in C++

Events - C++ Application Architecture

7 months agoEvents - C++ Application Architecture

Am I Just Reviewing AI Code? // Code Review

7 months agoAm I Just Reviewing AI Code? // Code Review

SOMEONE Code Reviewed Hazel, My Game Engine

8 months agoSOMEONE Code Reviewed Hazel, My Game Engine

HTTP in C++

8 months agoHTTP in C++

Where Hazel is at and what we've been up to // October 2025 Hazel Dev Log

8 months agoWhere Hazel is at and what we've been up to // October 2025 Hazel Dev Log

5 Easy Ways to Improve This C++ Code

8 months ago5 Easy Ways to Improve This C++ Code

Be Careful with References! // Bugs of C++

8 months agoBe Careful with References! // Bugs of C++

We're on Linux Today! Clients, Servers, and Multi-Threading // Code Review

9 months agoWe're on Linux Today! Clients, Servers, and Multi-Threading // Code Review

Layers - C++ Application Architecture Mini-Series

9 months agoLayers - C++ Application Architecture Mini-Series

My Favourite C++ Project I've EVER REVIEWED? // Code Review

9 months agoMy Favourite C++ Project I've EVER REVIEWED? // Code Review

C++ Application Architecture - A Mini-Series

9 months agoC++ Application Architecture - A Mini-Series

Can I Make PAINT in TWO HOURS in C++?

10 months agoCan I Make PAINT in TWO HOURS in C++?

Why Separate Code Into Libraries?

10 months agoWhy Separate Code Into Libraries?

HE IMPROVED THE CODE! Most Professional C++ Project Revisited // Code Review

10 months agoHE IMPROVED THE CODE! Most Professional C++ Project Revisited // Code Review

DON'T MESS WITH THE MAIN LOOP!

10 months agoDON'T MESS WITH THE MAIN LOOP!

Someone sent me a Multiplayer Game Engine - but does it work? // Code Review

11 months agoSomeone sent me a Multiplayer Game Engine - but does it work? // Code Review

How to Handle Errors in C++

11 months agoHow to Handle Errors in C++

Over-engineering software is... good?

11 months agoOver-engineering software is... good?

The Most Professional C++ Project I've Ever Reviewed // Code Review

11 months agoThe Most Professional C++ Project I've Ever Reviewed // Code Review

Logging is FINALLY good in C++! 🎉

11 months agoLogging is FINALLY good in C++! 🎉

C++ FINALLY Improved Error Handling with std::expected!

11 months agoC++ FINALLY Improved Error Handling with std::expected!

FIRST GAME in C++! Did He Do a Good Job? // Code Review (C++/SDL2)

11 months agoFIRST GAME in C++! Did He Do a Good Job? // Code Review (C++/SDL2)

has CHANGED in C++!

last yearhas CHANGED in C++!

How Did I Rewrite the RENDERER? // Hazel Engine Dev Log

last yearHow Did I Rewrite the RENDERER? // Hazel Engine Dev Log

C++ FINALLY Made Logging GOOD!

last yearC++ FINALLY Made Logging GOOD!

How Multiplayer Works in Hazel - My Game Engine

last yearHow Multiplayer Works in Hazel - My Game Engine

Someone Made a Game in Hazel! // Code Review

last yearSomeone Made a Game in Hazel! // Code Review

I Fixed Someone's (very broken) Vulkan Ray Tracer // Code Review

last yearI Fixed Someone's (very broken) Vulkan Ray Tracer // Code Review

Graphics vs Compute Pipeline

last yearGraphics vs Compute Pipeline

Hazel is going to be FREE! How do we get there?

last yearHazel is going to be FREE! How do we get there?

Game Engine WITHOUT LIBRARIES! // Code Review

last yearGame Engine WITHOUT LIBRARIES! // Code Review

Making it MASSIVELY FASTER by using the GPU!

last yearMaking it MASSIVELY FASTER by using the GPU!

Naming Conventions in C++

last yearNaming Conventions in C++

So what's happening with Hazel? // Game Engine Dev Log

last yearSo what's happening with Hazel? // Game Engine Dev Log

VULKAN: Textures, Descriptors and Vertex Attributes // C++ 3D Multiplayer Game LIVE TUTORIAL

last yearVULKAN: Textures, Descriptors and Vertex Attributes // C++ 3D Multiplayer Game LIVE TUTORIAL

Did someone send me MALWARE to Code Review??

last yearDid someone send me MALWARE to Code Review??

Game Engine by 11-YEAR-OLD! // Code Review

last yearGame Engine by 11-YEAR-OLD! // Code Review

EASILY run code on the GPU!

last yearEASILY run code on the GPU!

What if your terminal could HELP YOU?

last yearWhat if your terminal could HELP YOU?

// Code Review

last year// Code Review

5 MOST COMMON MISTAKES in my Code Review series

last year5 MOST COMMON MISTAKES in my Code Review series

THIS IS WHAT YOU WANT

last yearTHIS IS WHAT YOU WANT

WHAT DO YOU WANT

last yearWHAT DO YOU WANT

VULKAN: From 2D to 3D // C++ 3D Multiplayer Game From Scratch // LIVE TUTORIAL

last yearVULKAN: From 2D to 3D // C++ 3D Multiplayer Game From Scratch // LIVE TUTORIAL

The MOST IMPORTANT Considerations in Programming! // Code Review

last yearThe MOST IMPORTANT Considerations in Programming! // Code Review

"BEST C++ CODE ever written" // Code Review

last year"BEST C++ CODE ever written" // Code Review

C++ 3D MULTIPLAYER GAME FROM SCRATCH // LIVE TUTORIAL

last yearC++ 3D MULTIPLAYER GAME FROM SCRATCH // LIVE TUTORIAL

I found the first code I ever wrote

last yearI found the first code I ever wrote

Is this a Great Example for Beginners? // Code Review

2 years agoIs this a Great Example for Beginners? // Code Review

Making a REAL Multiplayer Game Server! // Hazel Engine

2 years agoMaking a REAL Multiplayer Game Server! // Hazel Engine

Is C BETTER than C++ for beginners? // Code Review

2 years agoIs C BETTER than C++ for beginners? // Code Review

Is this the WORST CODE I've EVER SEEN? // Code Review

2 years agoIs this the WORST CODE I've EVER SEEN? // Code Review

Optimizing Pseudo 3D Rendering // Code Review

2 years agoOptimizing Pseudo 3D Rendering // Code Review

MULTIPLAYER in Hazel - My Game Engine

2 years agoMULTIPLAYER in Hazel - My Game Engine

He wrote this out BY HAND? // Code Review

2 years agoHe wrote this out BY HAND? // Code Review

Stop using std::vector wrong

2 years agoStop using std::vector wrong

Remaking My First Game in 3D!

2 years agoRemaking My First Game in 3D!

TETRIS CLONE! // Code Review

2 years agoTETRIS CLONE! // Code Review

REAL WORLD Weather and Air Traffic! // Code Review

2 years agoREAL WORLD Weather and Air Traffic! // Code Review

Why I Don't Like Singletons

2 years agoWhy I Don't Like Singletons

Hazel 2024.1 - Our New Biggest Release Ever

2 years agoHazel 2024.1 - Our New Biggest Release Ever

ALWAYS think about LIFETIMES in C++! // Code Chill

2 years agoALWAYS think about LIFETIMES in C++! // Code Chill

Real-Time Air Traffic Control Game! // Code Review

2 years agoReal-Time Air Traffic Control Game! // Code Review

Why Didn't He Get the Job? Let's Find Out! // Code Review

2 years agoWhy Didn't He Get the Job? Let's Find Out! // Code Review

Weak Pointers in C++ (std::weak_ptr)

2 years agoWeak Pointers in C++ (std::weak_ptr)

Serialization in Hazel - My Game Engine

2 years agoSerialization in Hazel - My Game Engine

WHY did this C++ code FAIL?

2 years agoWHY did this C++ code FAIL?

Make C++ Apps & Games FOR THE WEB

2 years agoMake C++ Apps & Games FOR THE WEB

Harder Than It Seems? 5 Minute Timer in C++

2 years agoHarder Than It Seems? 5 Minute Timer in C++

The WORST BUG in my Game Engine

2 years agoThe WORST BUG in my Game Engine

I REMADE My First Game 12 YEARS LATER!

2 years agoI REMADE My First Game 12 YEARS LATER!

BINARY vs TEXT File Serialization

2 years agoBINARY vs TEXT File Serialization

I Rewrote This Entire Main File // Code Review

2 years agoI Rewrote This Entire Main File // Code Review

TERMINAL GAME ENGINE! // Code Review

2 years agoTERMINAL GAME ENGINE! // Code Review

what i'm doing this weekend

2 years agowhat i'm doing this weekend

Conversion Operators in C++

2 years agoConversion Operators in C++

Implementing a New Game Engine Feature

2 years agoImplementing a New Game Engine Feature

Asset Packs - How We Ship Assets in Games

2 years agoAsset Packs - How We Ship Assets in Games

I ACCIDENTALLY Created Hazel's Greatest Feature

2 years agoI ACCIDENTALLY Created Hazel's Greatest Feature

EVERYTHING takes longer than it seems

2 years agoEVERYTHING takes longer than it seems

40 Days.

2 years ago40 Days.

HOW IT WORKS - Path Tracer by 15-YEAR-OLD! (C++/OpenGL) // Code Review

2 years agoHOW IT WORKS - Path Tracer by 15-YEAR-OLD! (C++/OpenGL) // Code Review

From Editor to Runtime - The Hazel Engine Workflow

2 years agoFrom Editor to Runtime - The Hazel Engine Workflow

This Animation System IS AMAZING

2 years agoThis Animation System IS AMAZING

BEST WAY to to understand graphics and rendering code

2 years agoBEST WAY to to understand graphics and rendering code

I'm Struggling.

2 years agoI'm Struggling.

I HAD to fix this immediately // Code Review

2 years agoI HAD to fix this immediately // Code Review

PATH TRACER made by 15-YEAR-OLD in C++ OpenGL! // Code Review

2 years agoPATH TRACER made by 15-YEAR-OLD in C++ OpenGL! // Code Review

Learning Programming by Trying and Failing // Code Review

3 years agoLearning Programming by Trying and Failing // Code Review

My Favourite Way To Make Websites

3 years agoMy Favourite Way To Make Websites

How to Properly Setup C++ Projects

3 years agoHow to Properly Setup C++ Projects

Don't Make This Mistake! // Code Review

3 years agoDon't Make This Mistake! // Code Review

Hazel Engine ON LINUX!

3 years agoHazel Engine ON LINUX!

Game Engine Architecture 101 // Code Review

3 years agoGame Engine Architecture 101 // Code Review

2000 HOUR 2D Game Engine! // Code Review

3 years ago2000 HOUR 2D Game Engine! // Code Review

The Future of Hazel - My Game Engine

3 years agoThe Future of Hazel - My Game Engine

Automated testing using GitHub Actions... easier than I thought

3 years agoAutomated testing using GitHub Actions... easier than I thought

I used AI to do a C++ University Assignment

3 years agoI used AI to do a C++ University Assignment

Automatically Testing Hazel - My Game Engine

3 years agoAutomatically Testing Hazel - My Game Engine

My thoughts on the Unity situation.

3 years agoMy thoughts on the Unity situation.

Answering questions about Hazel - My Game Engine

3 years agoAnswering questions about Hazel - My Game Engine

What it Takes to Release a Game Engine

3 years agoWhat it Takes to Release a Game Engine

What exactly is HEADLESS?

3 years agoWhat exactly is HEADLESS?

"Please Tear My Code Apart" // Code Review

3 years ago"Please Tear My Code Apart" // Code Review

Instant Messaging App in C++ // Code Review

3 years agoInstant Messaging App in C++ // Code Review

Make Beautiful Desktop Applications in C++

3 years agoMake Beautiful Desktop Applications in C++

Networking in C++

3 years agoNetworking in C++

SOME UNIQUE C++ CODE! // Pacman Clone Code Review

3 years agoSOME UNIQUE C++ CODE! // Pacman Clone Code Review

Investigating the Performance Bottlenecks of My Game Engine

3 years agoInvestigating the Performance Bottlenecks of My Game Engine

FAST Random in 3 LINES OF CODE // Ray Tracing series

3 years agoFAST Random in 3 LINES OF CODE // Ray Tracing series

Emission and Emissive Materials // Ray Tracing series

3 years agoEmission and Emissive Materials // Ray Tracing series

How To Fix Include Errors in C++

3 years agoHow To Fix Include Errors in C++

Barji and Cherno Talk AI, Game Dev, Burnout, and Business // Cherno Podcast #3

3 years agoBarji and Cherno Talk AI, Game Dev, Burnout, and Business // Cherno Podcast #3

Game Engine Dev Plays Horror Game

3 years agoGame Engine Dev Plays Horror Game

Rendering Tiles // Remaking My First Game in C++

3 years agoRendering Tiles // Remaking My First Game in C++

What tools I use to manage Game Engine Development

3 years agoWhat tools I use to manage Game Engine Development

Remaking My First Game in C++ // Loading Levels

3 years agoRemaking My First Game in C++ // Loading Levels

The Importance of Scalable Code // Code Review

3 years agoThe Importance of Scalable Code // Code Review

We Made a Game About Delivering Coffee in a War Zone in Hazel in 72 Hours!

3 years agoWe Made a Game About Delivering Coffee in a War Zone in Hazel in 72 Hours!

Using AI to help me with C++

3 years agoUsing AI to help me with C++

BETTER Header Files and Preprocessor Debugging

3 years agoBETTER Header Files and Preprocessor Debugging

Is this TOO REALISTIC? Unreal Engine 5 UNRECORD Gameplay Trailer // Game Engine Dev Reacts

3 years agoIs this TOO REALISTIC? Unreal Engine 5 UNRECORD Gameplay Trailer // Game Engine Dev Reacts

How I Made My Game Engine MUCH Faster...

3 years agoHow I Made My Game Engine MUCH Faster...

Global Variables in C++... not as easy as it seems

3 years agoGlobal Variables in C++... not as easy as it seems

Unreal Engine 5.2 - Next-Gen Graphics Tech Demo // Game Engine Dev Reacts

3 years agoUnreal Engine 5.2 - Next-Gen Graphics Tech Demo // Game Engine Dev Reacts

BEST WAY to read and understand code

3 years agoBEST WAY to read and understand code

Our biggest release ever... Hazel 2023.1

3 years agoOur biggest release ever... Hazel 2023.1

DEV LOG #3

3 years agoDEV LOG #3

Should I pass by const reference or by value?

3 years agoShould I pass by const reference or by value?

The ONLY TWO THINGS that matter when writing code

3 years agoThe ONLY TWO THINGS that matter when writing code

DEV LOG #2

3 years agoDEV LOG #2

Designing Our Pixel Renderer // Remaking My First Game in C++

3 years agoDesigning Our Pixel Renderer // Remaking My First Game in C++

2D Flying Dog Game in C++ // Code Review

3 years ago2D Flying Dog Game in C++ // Code Review

DEV LOG #1

3 years agoDEV LOG #1

to static, or not to static?

3 years agoto static, or not to static?

Rendering Sprite Pixels in C++

3 years agoRendering Sprite Pixels in C++

How to Debug Graphics Issues

3 years agoHow to Debug Graphics Issues

Remaking My First Game in C++

3 years agoRemaking My First Game in C++

Finding and Fixing Slow Code // Ray Tracing series

3 years agoFinding and Fixing Slow Code // Ray Tracing series

TWO MAJOR NEW HAZEL ENGINE FEATURES shipped in our latest game

3 years agoTWO MAJOR NEW HAZEL ENGINE FEATURES shipped in our latest game

Materials and Physically Based Rendering // Ray Tracing series

3 years agoMaterials and Physically Based Rendering // Ray Tracing series

Path Tracing // Ray Tracing series

3 years agoPath Tracing // Ray Tracing series

2D Physics Engine! // Code Review

3 years ago2D Physics Engine! // Code Review

How to make a GLOBAL LEADERBOARD system for your game

3 years agoHow to make a GLOBAL LEADERBOARD system for your game

What exactly is NULL?

3 years agoWhat exactly is NULL?

Every Feature in Notion - My Favorite Productivity App

3 years agoEvery Feature in Notion - My Favorite Productivity App

FASTER Ray Tracing with Multithreading // Ray Tracing series

3 years agoFASTER Ray Tracing with Multithreading // Ray Tracing series

MY FIRST EVER GAME! // Code Review

3 years agoMY FIRST EVER GAME! // Code Review

Understanding Code You Didn't Write // Code Review

4 years agoUnderstanding Code You Didn't Write // Code Review

Can YOU beat our puzzle game? #shorts

4 years agoCan YOU beat our puzzle game? #shorts

We made a (potentially) UNBEATABLE GAME

4 years agoWe made a (potentially) UNBEATABLE GAME

All about MEMORY // Code Review

4 years agoAll about MEMORY // Code Review

Introducing the Ray Tracing Pipeline // Ray Tracing series

4 years agoIntroducing the Ray Tracing Pipeline // Ray Tracing series

DELETING THIS IN 1 HOUR

4 years agoDELETING THIS IN 1 HOUR

Rendering Multiple Objects // Ray Tracing series

4 years agoRendering Multiple Objects // Ray Tracing series

😡 I CAN'T BELIEVE it's still broken

4 years ago😡 I CAN'T BELIEVE it's still broken

GRASS RENDERING in OpenGL // Code Review

4 years agoGRASS RENDERING in OpenGL // Code Review

Adding an Interactive 3D Camera System // Ray Tracing series

4 years agoAdding an Interactive 3D Camera System // Ray Tracing series

fixing my old game engine that apparently doesn't work

4 years agofixing my old game engine that apparently doesn't work

The Story of Animation in Hazel // Game Engine Dev Log

4 years agoThe Story of Animation in Hazel // Game Engine Dev Log

LIGHTING AND SHADING // Ray Tracing series

4 years agoLIGHTING AND SHADING // Ray Tracing series

Hazel - My Game Engine // Code Review

4 years agoHazel - My Game Engine // Code Review

Flocking (and not making responsible choices)

4 years agoFlocking (and not making responsible choices)

How I (somehow) got the HIGHEST GRADE IN MY UNIVERSITY COURSE

4 years agoHow I (somehow) got the HIGHEST GRADE IN MY UNIVERSITY COURSE

Fixing Hazel // Office Dev Log

4 years agoFixing Hazel // Office Dev Log

How Ray Casting and Sphere Intersection Works // Ray Tracing Series

4 years agoHow Ray Casting and Sphere Intersection Works // Ray Tracing Series

Rendering a Sphere Using Ray Tracing! // Ray Tracing Series

4 years agoRendering a Sphere Using Ray Tracing! // Ray Tracing Series

Just a chill dev log

4 years agoJust a chill dev log

Goodbye Game Engine series. 👋

4 years agoGoodbye Game Engine series. 👋

Rays and Spheres: The MATH! // Ray Tracing series

4 years agoRays and Spheres: The MATH! // Ray Tracing series

Minecraft Clone in C++ // Code Review

4 years agoMinecraft Clone in C++ // Code Review