3D Game Starter - Multi Engine (Unreal, Unity, Godot, Defold, Raylib, The Forge)

⚠️ WORK IN PROGRESS !!!

2025's exercise in game engine and logic modules.

Spoiler: Don't do it !!! Unless you intend to build your own custom engine in the futur, or be able to maintain your code in 20+ years.

Pros & Cons:

• less dependency to engine

Content

• Dependencies
• Screenshots
• Features
• Install
• Usage
• Assets
• Resources

---

Dependencies

• C++ 2020 / C 2017

Screenshots

Features

• Engine
  • Unreal (5.4.3)
  • Unity (6.0.1)
  • Godot (4.3)
  • Defold (1.9.1)
  • Raylib (5.0)
  • TheForge (1.58)
• Features
  • 3D
    • Camera (Third Person)
    • Skybox (Cube)
    • Inputs (Gamepad)
    • Lighting (World and Character)
    • Material (Texture or Shaders)
  • Physics
    • Gravity
    • Colision
  • Audio
    • Sound effects
  • UI
    • Main Menu
    • Settings Menu
• Examples:
  • "Unreal" First Person (FPS)
  • "Unreal" Third Person (TPS)
  • "Matrix" Demo (OpenWorld)

Repository layout:

├── assets
├── docs
├── infra
├── lib
├── platform
│   ├── engine
│   └── game
├── standalone
│   ├── unreal_desktop_win64
│   ├── unity_desktop_win64
│   └── ...
└── tools
    └── blender
    └── ci

Unreal 5

Create project

1. start Unreal:
   1. create project "MyGameUnreal5"
   2. menu -> edit -> plugins -> add -> third party -> "MyGame"
2. close Unreal
3. start VisualStudio
4. start Unreal

Usage

1. start Unreal:
   1. menu -> tools -> open visual studio
2. VisualStudio:
   1. code...
   2. hot-reload code(Ctrl+Alt+F11)
3. Unreal
   1. play (Alt+P)
   2. test...
   3. detach camera / debug scene (F8)
   4. press ESC

• Unreal:
  • UE4 3rd party library plugin workaround (YouTube)
  • Adding custom third-party library to plugin from scratch