Technical Prototyping and Full Functional Prototypes in Game Design

Thomas Steffen
2 min readMay 16, 2023

In game design, a technical prototype refers to a functional demonstration or proof of concept that focuses primarily on the technical aspects of a game. It is an early version of the game that helps the development team assess and validate the feasibility of various technical components, systems, and mechanics.

The purpose of a technical prototype is to test and evaluate the underlying technology, tools, and programming techniques that will be used to develop the game. It allows the team to identify potential technical challenges, refine the technology stack, and make informed decisions about the technical implementation.

This will most likely be built using primitive geometry and will not feature any of the refined artwork, models, music, or more refined features.

Here are some key characteristics and objectives of a technical prototype in game design:

  1. Core Mechanics: The technical prototype aims to showcase and test the core gameplay mechanics and interactions that are central to the game. It provides a hands-on experience for the team to evaluate the feasibility and effectiveness of these mechanics in practice.
  2. Technology Validation: The prototype helps verify the performance and functionality of specific technical elements, such as rendering capabilities, physics systems, artificial intelligence, networking, input handling, or any other key technology being employed. It helps identify technical risks and constraints that may impact the overall development process.
  3. Iterative Development: A technical prototype is typically built through an iterative process, starting with a minimal viable version and gradually adding more features and functionality. This allows the team to validate and refine the technical implementation incrementally, addressing potential issues or bottlenecks along the way.
  4. Proof of Concept: The prototype serves as a proof of concept to demonstrate that the envisioned game mechanics and technical features are achievable and practical. It helps stakeholders, including developers, designers, and publishers, gain confidence in the technical direction of the game.
  5. Communication and Collaboration: A technical prototype can facilitate effective communication and collaboration within the development team. It provides a tangible reference point for discussions and decision-making related to technical aspects, helping align the team’s understanding and expectations.
  6. Feedback and Iteration: By showcasing the technical prototype to relevant stakeholders, such as designers, producers, or playtesters, the team can gather valuable feedback early in the development process. This feedback can inform further iterations, refinements, and adjustments to the technical implementation.

Overall, a technical prototype serves as a crucial stepping stone in game development, focusing on the technical aspects of the game to ensure a solid foundation for subsequent production phases. It helps mitigate risks, validate technical feasibility, and guide the overall development process toward a successful final product.

I’ll cover more on a Fully Function Prototype in the next article.

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Thomas Steffen

I am Virtual Reality Developer, UI Systems, and general programmer with a passion for Unity software development.