Free Course Image How to Make a 2D Game in Java

Free online courseHow to Make a 2D Game in Java

Duration of the online course: 25 hours and 58 minutes

New

Build a playable 2D game with Java—learn game loops, animation, collisions, UI and more in a free online course that turns code into action.

In this free course, learn about

  • Core 2D Java game architecture: game panel, update/render cycle, and the role of threads
  • Implementing a fixed-timestep game loop and keyboard input handling
  • Sprite loading, sprite counters, and frame-based animation systems
  • Tile maps: reading resources, drawing tiles, and building worlds with camera scrolling
  • Collision detection: solid tiles, entity bounds, and using intersect logic for interactions
  • Placing and interacting with objects (loot, doors, breakables) and item drop systems
  • Audio integration: playing BGM/SFX and managing sound resources
  • UI and game states: title/options/game over screens, HUD (life/mana), and fullscreen mode
  • NPCs and dialogue systems: windows, alpha transparency, custom fonts, and page-flip dialogues
  • Combat systems: monsters, hit detection, knockback, projectiles, mana, guard/parry, status
  • Events and map transitions: triggers (pits/heals/teleports), cutscenes, dungeons, puzzles, bosses
  • Inventory and equipment: carry limits, stackables, trading, lantern/lighting items and effects
  • Rendering optimization practices: reducing draw calls, batching/sorting render order, faster loops
  • Persistence and tooling: saving config/state to files, save/load, and using a tile map editor

Course Description

Turn your Java skills into a playable 2D game and understand what really makes games feel responsive. In this free online course, you will move beyond isolated snippets and learn how to assemble a complete game structure: an update-and-render cycle, real-time input handling, smooth animation, and a world that feels consistent as the player explores.

You will practice the core mechanics behind most 2D engines, starting with the logic that keeps everything running at a stable pace. From there, you will create movement and camera behavior, draw tile-based worlds, load images correctly from resource folders, and bring characters and objects to life with sprites and frame control. As your project grows, you will add collision detection, interaction rules, and feedback that makes actions readable to the player.

The course steadily evolves the project into a fuller game experience by introducing sound, interface elements, and multiple game states such as title screens, menus, transitions, and game over flow. You will also design RPG-style systems like health, stats, leveling, inventory management, equipment, projectiles, item drops, and combat behaviors. NPC dialogue, trading, pathfinding, bosses, dungeons, events, and cutscenes help you understand how game features connect without breaking the underlying architecture.

Along the way, you will learn practical performance habits for Java 2D rendering, organize entities for correct draw order, and handle common implementation details that often trip up beginners, such as stacking rules, trigger zones, and saving configuration or progress. By the end, you will have a strong grasp of the building blocks needed to create your own 2D Java games, prototype ideas faster, and read or extend game code with confidence.

Course content

  • Video class: How to Make a 2D Game in Java #1 - The Mechanism of 2D Games 18m
  • Exercise: What is the purpose of using a Thread in 2D game development as explained in the tutorial?
  • Video class: Game Loop and Key Input - How to Make a 2D Game in Java #2 34m
  • Video class: Sprites and Animation - How to Make a 2D Game in Java #3 23m
  • Exercise: What is the purpose of the 'Sprite counter' in the described game development process?
  • Video class: Reading Resource Files (Images) with IntelliJ IDEA 01m
  • Video class: Drawing Tiles - How to Make a 2D Game in Java #4 27m
  • Exercise: How Many Types of Tiles Were Prepared?
  • Video class: World and Camera - How to Make a 2D Game in Java #5 24m
  • Video class: Collision Detection - How to Make a 2D Game in Java #6 26m
  • Video class: Object Placement - How to Make a 2D Game in Java #7 22m
  • Video class: Object Interaction - How to Make a 2D Game in Java #8 23m
  • Exercise: What function does the intersect method serve in this video?
  • Video class: Sound - How to Make a 2D Game in Java #9 17m
  • Video class: The First Game Done (UI) - How to Make a 2D Game in Java #10 34m
  • Exercise: What major update was added to the game?
  • Video class: (Extra) Answering Requests (Tile/Grid Based Movement etc.) - How to Make a 2D Game in Java 10m
  • Video class: Improving Rendering Performance - How to Make a 2D Game in Java #11 21m
  • Exercise: What is a recommended optimization practice for enhancing rendering performance in a 2D game?
  • Video class: New Pixel Art - How to Make a 2D Game in Java #12 18m
  • Video class: Game State - How to Make a 2D Game in Java #13 16m
  • Exercise: What feature was implemented in the first episode of the second half of the game development series?
  • Video class: NPC - How to Make a 2D Game in Java #14 31m
  • Video class: Dialogues - How to Make a 2D Game in Java #15 30m
  • Exercise: What is the 'alpha value' used for in a dialogue window?
  • Video class: Custom Font - How to Make a 2D Game in Java #16 09m
  • Video class: Title Screen ( Extra) - How to Make a 2D Game in Java #17 29m
  • Exercise: What was the main focus of the video tutorial?
  • Video class: Player Life - How to Make a 2D Game in Java #18 12m
  • Video class: Event (Damage Pit, Healing Pool, Teleport Tile) - How to Make a 2D Game in Java #19 17m
  • Exercise: How is an event triggered in the game described?
  • Video class: Event II (Advanced Mechanics) - How to Make a 2D Game in Java #20 16m
  • Video class: Entity ArayList (Render Order Revised) - How to Make a 2D Game in Java #21 16m
  • Exercise: What change was made to improve the render order in the code?
  • Video class: Monster - How to Make a 2D Game in Java #22 30m
  • Video class: Farewell 2021 01m
  • Video class: Hit Detection (and Bug Fix) - How to Make a 2D Game in Java #23 31m
  • Video class: Health Bar 25m
  • Exercise: Which feature was added to the monster's animation in the video?
  • Video class: Character Status - How to Make a 2D Game in Java #25 33m
  • Video class: Scrolling Message, Leveling Up, Damage Calculation - How to Make a 2D Game in Java #26 21m
  • Exercise: How is damage calculated in the battle system?
  • Video class: (Extra) Useful Functions - How to Make a 2D Game in Java 07m
  • Video class: Inventory - How to Make a 2D Game in Java #27 27m
  • Exercise: How many items can a player carry in this game?
  • Video class: Equip 27m
  • Video class: Projectiles - How to Make a 2D Game in Java #29 28m
  • Exercise: What is the newly implemented feature in the tutorial video?
  • Video class: Monster Projectiles and Mana - How to Make a 2D Game in Java #30 22m
  • Video class: Item Drops - How to Make a 2D Game in Java #31 18m
  • Exercise: What is the effect of picking up a bronze coin in the game?
  • Video class: Breaking Objects - How to Make a 2D Game in Java #32 27m
  • Video class: Particles - How to Make a 2D Game in Java #33 24m
  • Exercise: What determines the color of particles?
  • Video class: Full Screen Mode - How to Make a 2D Game in Java #34 18m
  • Video class: Options Menu - How to Make a 2D Game in Java #35 43m
  • Exercise: How does the options menu function in the game?
  • Video class: Saving Config to a Text File - How to Make a 2D Game in Java 12m
  • Video class: Game Over - How to Make a 2D Game in Java #37 16m
  • Exercise: What happens when the player chooses quit on the game over screen?
  • Video class: Transition Between Maps - How to Make a 2D Game in Java #38 34m
  • Video class: Trade System - How to Make a 2D Game in Java #39 47m
  • Exercise: What was the key feature added to introduce a trading system in the game update?
  • Video class: Pathfinding (NPC Follows Player/Aggro Monsters) - How to Make a 2D Game in Java #40 46m
  • Video class: Knockback - How to Make a 2D Game in Java #41 18m
  • Exercise: What feature was added to projectiles in the game update?
  • Video class: Object Detection/Loot - How to Make a 2D Game in Java #42 24m
  • Video class: Stackable Items - How to Make a 2D Game in Java #43 18m
  • Exercise: Which items are made stackable in the inventory system?
  • Video class: Lighting Effect - How to Make a 2D Game in Java #44 24m
  • Video class: Lighting Item - How to Make a 2D Game in Java #45 16m
  • Exercise: What happens when you equip the lantern in the inventory system?
  • Video class: Day and Night Cycle - How to Make a 2D Game in Java #46 23m
  • Video class: Releasing My 2D Tile Map Editor (And How to Use it) 25m
  • Exercise: What is the default map size in the 2D tile editor?
  • Video class: Map Screen and Minimap - How to Make a 2D Game in Java #47 20m
  • Video class: Advanced Combat - How to Make a 2D Game in Java #48 40m
  • Exercise: What main features were improved or added in the video?
  • Video class: Guard and Parry - How to Make a 2D Game in Java #49 26m
  • Video class: Save and Load - How to Make a 2D Game in Java #50 44m
  • Exercise: What was the main focus of the discussed video?
  • Video class: Advanced Dialogues (Page-Flip 37m
  • Video class: Important Bug Fix 15m
  • Exercise: In a game development scenario, what is a fundamental issue when multiple non-stackable items behave as a single object?
  • Video class: Enter the Dungeon - How to Make a 2D Game in Java #52 15m
  • Video class: Dungeon Puzzle/Gimmick - How to Make a 2D Game in Java #53 36m
  • Exercise: What is required to open the special iron door in the dungeon?
  • Video class: Boss - How to Make a 2D Game in Java #54 35m
  • Video class: Boss Health Bar - How to Make a 2D Game in Java #55 15m
  • Exercise: What was the size reduction of the life and mana icons in pixels?
  • Video class: Cutscene - How to Make a 2D Game in Java #56 34m
  • Video class: Ending - How to Make a 2D Game in Java #Final 37m
  • Exercise: In 'The Adventure of the Blue Boy' game series, what is the final task to complete the game as discussed in the last video episode?
  • Video class: Water Transparency and Animation Demo in Java 2D 03m
  • Video class: Torch and Multiple Lights Demo in Java 2D 03m
  • Exercise: What is commonly used to express gratitude in non-verbal communication?
  • Video class: Released My Java 2D Game on itch.io 01m

This free course includes:

25 hours and 58 minutes of online video course

Digital certificate of course completion (Free)

Exercises to train your knowledge

100% free, from content to certificate

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