
Discover how to build a snake 3D game in Unity, using the input system for keyboard controls and implementing classic and survival modes with UI and delegates.
Explore the core concept of building a 3D snake game in Unity, including grid-based movement, head and tail pieces, apple pickups, collision rules, and scalable game mechanics.
Set up a new 3D Unity project for Snake 3D, configure the editor layout (hierarchy, project, inspector, game view), and learn global vs local axes.
Create a snake head game object with a separate graphics cube and nose, then attach a C sharp script to drive forward movement in Unity.
Move the snake head forward in a grid-based Unity 3D scene using a coroutine, a one-meter step size, and a step speed to update its transform along the forward axis.
Duplicate snake head to form a tail piece, remove head script, and scale tail graphics to 0.8. Create a tail prefab to generate tails with overrides and pivot.
Add a dynamic tail by instantiating tail pieces from a prefab, storing them in a tail list, and placing each piece behind the last tail piece's rotation.
Test tailpiece generation in a Unity snake 3D game by calling add tailpiece as a function and assigning the tail prefab, then verify tails align behind the head.
Develop tail-based movement by tracking the head’s last position and rotation, store local Euler angles, and update tail pieces with a for loop in Unity in 3d space.
Store the last tail position and rotation, then propagate them to each tail segment, updating position, rotation, and direction with the head's world-space orientation in unity.
Create four serialized tail pieces (end, straight, upright corners, upper-left corner) and use a direction switch to render the correct tail graphic based on forward and backward tile directions.
This tail graphics lesson sets tail orientation by checking down, left, and right directions, selecting the correct tile graphics (straight, up-left, up-right) and toggling corresponding tail objects.
Set active and deactivate tail graphics based on the current direction by updating end, straight, and corner pieces, and expose a get direction helper for the snake head.
Create and organize snake 3D models and materials folders, extract textures, apply materials to all snake parts, and assemble the tail pieces into a finalized prefab.
Tint the snake’s top and bottom materials to set color, adjust metalness and roughness for shine, and update tail graphics by looping tail pieces to follow the next piece’s direction.
Update the snake tail by detecting pickups with a trigger collider, checking the pickup tag, and adding a new tail piece while updating tail geometry for turns.
Outsource the tail updates into a dedicated function and call it whenever adding tail pieces or at start, ensuring tail segments update immediately as the snake grows after pickups.
Update the snake 3d game by adding a rigidbody and trigger collider to the pickup, attaching the apple model, and implementing scoring, tail growth, and game over logic.
Design the playfield by sizing the level, creating border walls with colliders, and laying a ground plane for tiling textures, setting up for apple spawn in the next steps.
Import and organize the 2d assets, create a floor material, apply tiling to fit a nine-by-fifteen playfield, and set grid-based coordinates for predictable snake movement.
Create a Unity snake game manager to auto spawn pickups within the game field, using serialized fields for the pickup prefab, field bounds, and a get random pickup position routine.
Improve the snake 3d spawn system with a boolean is-free check. Use a physics check sphere and layer masks to ensure the position is free from snake, pickups, and obstacles.
Spawn pickups in snake 3D with a coroutine that finds a random free position, waits if needed, and instantiates the pickup with quaternion.identity while configuring layers and a game manager.
Learn how to spawn and generate pickups in a Unity snake 3D arcade game using delegates and events, with the game manager reacting to pickup collected to update score.
Implement Unity input system for Snake 3D by installing the input system, enabling backends, creating keyboard and gamepad input actions, and generating a script to read from the input master.
Connect the snake head to the input master, define left and right direction vectors, and rotate the head using input callbacks to move the snake with keyboard or gamepad.
Fixes a direction update bug in Snake 3D by updating the tail piece's direction after adding a new tile, ensuring correct world-axis alignment when eating apples.
Build a responsive top bar UI in Unity to display the score, using a canvas with scale-with-screen-size, reference resolution, anchors, and a horizontal layout group.
Learn to add a TextMesh Pro score display, configure fonts and auto size, and update the score in Unity using a horizontal layout group and input system adjustments.
Create a user interface countdown in Unity for Snake 3D, using a sprite atlas, driven by a coroutine, then notify subscribers via a delegate to start the game.
Implement a countdown timer in Unity for snake 3D, configure sprites, start the coroutine, and emit a countdown finished event that the snake head and spawner subscribe to, enabling input.
Add bite audio to the snake 3D game by recording a sound with Audacity, exporting wav, and linking an audio source and bite clip in Unity to play on eating.
Design a game over panel on a canvas with score display and restart and back-to-menu buttons, using a semi-transparent overlay and responsive layout groups.
Learn to implement a game over screen in Unity by wiring a game manager and snake head events, showing the game over panel on death and handling borders and self-collision.
Create a menu manager script using Unity's scene management to load and reload scenes, and wire buttons to load named levels or restart the current scene.
Design and implement a Unity main menu scene with a background, title, and UI panels, using a quad background, canvas, vertical layout group, and responsive anchors for multiple aspect ratios.
Create a scroll UV script to animate a quad's texture offset using a material or mesh renderer, updating the y offset with time.deltaTime and a configurable scroll speed.
Learn to implement cross-input menu navigation in snake 3d arcade, setting the first selected start button, tinting selections, and supporting gamepad, keyboard, and mouse via default input actions.
Rename and duplicate scenes to create classic and survival game modes, then wire menu buttons with a menu manager to load scenes, open urls, show credits, and quit.
Set the first selected buttons for credits and main panels, disable background deselection in the event system, and connect restart, back, and close buttons using Unity UI.
Extend snake 3d gameplay by adding multiple game modes and dynamic speed upgrades driven by pickups, using a game manager, enums, and speed-up events.
Test and tune Snake 3D game modes, adjusting normal, classic, and survival settings, speed increments, color changes, and scene saves for a polished arcade experience.
Discover diverse snake 3D game mode ideas, from battle royale on shrinking maps and capture the flag to survival, co-op, versus, time attack, puzzle, stealth, and king of the hill.
Learn how to create and export a Unity Snake 3D build for Windows and WebGL, including platform switching, Unity Hub extensions, and handling landscape versus portrait layouts.
Learn to build a Unity snake 3D arcade game: grid-based movement, tail piece management, scenes, prefabs, backgrounds on quads, countdowns, a versatile input system, and audio for eat and death.
Are you ready to level up your Unity game development skills? My new online course on Snake 3D will teach you how to create a classic arcade game with a modern twist. In this course, you'll learn how to design and code a 3D version of the classic Snake game, complete with challenging obstacles and pick-ups.
I will guide you through the entire process, from setting up your project to refining your game mechanics. You'll learn how to use Unity's powerful tools and features to create stunning visuals and engaging gameplay.
Whether you're a beginner or an experienced developer, this course is perfect for anyone looking to create their own game with Unity. Don't miss out on this opportunity to learn how to make Snake 3D and take your game development skills to the next level!
This course is a Beginner/Intermediate course, so if you have trouble in any case, write me a message or Q&A, and i'll help as best as i can.
Game Concept
Snake 3D is a basic concept in which the player navigates a 3D snake through a gridbased Playfield. The snake constantly moves forwards, so the Player has to act accordingly to avoid Obstacles and it's own tail. Eat pickups to grow the snake and increase the score.
Unity (2021.3.3f1 used in this course)
We will create the basic navigation mechanics
We will create different Game Modes
We create a Menu and UI panels
We create pickup mechanics to increase snake length
We use Text Mesh Pro for beautiful font visuals
We create a Windows Build, to show the basics.
C#
We will put in functionality with scripts using Visual Studio Code and C# (you can use any other IDE)
We learn to use: floats, integers, booleans, Lists, void and delegate functions
We create the game logic and all needed Prefabs
We learn to integrate Text Mesh Pro for beautiful font visuals
We learn all needed content for the New Input System
We intergate Keyboard and Gamepad playability
We create a scrolling Texture mechanic for the main Menu
Extra
We check out multiple extra game ideas to make a more different Snake 3D game, so you can stand out of the crowd
Conclusion
As a result of this course you should be able to create your own levels with different game Modes.
In the end of this course you will have a fully functional Snake 3D - Arcade Game
Course Material
multiple UI-Elements like Buttons and background grafics
5 3D Models - - Snake Head, Snake Straight piece, Snake Corner piece, Snake Tail Piece, Border Gras Piece
The Course Material is for education purposes only, so if you want to release your own game, create your own grafics and 3D Models for that. All Materials i provide are for education only and should not be in your final release!
Challenge
After you have created nice Menus, Buttons, 3D Models, new Levels and maybe additional content, upload the Game to any Gaming Website, Google Playstore, Apple Store or even Windows Store or Steam.
So what are you waiting for?
Let's make your dream game a reality!!
Level: Beginner/Intermediate +
Video Course Length: ~
Unity Version required: 5.6+