Beginner to Pro: Learning Agile Game Design with "Jazz"

Posted by Gemma Ellison
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August 2, 2025

Beginner to Pro: Learning Agile Game Design with “Jazz”

Imagine a jazz band. They have a basic melody, a chord progression – a plan. But within that structure, each musician improvises, responding to each other, creating something new and exciting in the moment. That’s Agile game design. It’s the interplay between planning and improvisation.

Too much planning? You get a rigid game, lacking spark and player-driven discovery. Too little? A chaotic mess, a game that never quite comes together. Let’s find that sweet spot.

Setting the Stage: Defining Your Game’s “Tune”

Before you start jamming, know your game’s core. What’s the one-sentence pitch? What’s the feeling you want players to experience? This is your Minimum Viable Product (MVP), the essential gameplay loop. Don’t get bogged down in features. Think core mechanics first.

A common pitfall: Feature creep before a solid core. Avoid it by ruthlessly cutting anything that doesn’t directly support your MVP.

The “Sprint” Solo: Achievable Goals

In Agile, a sprint is a short, focused development cycle, usually 1-2 weeks. For solo developers, this is crucial. Set achievable sprint goals. “Implement basic combat” is better than “Complete all combat systems.”

Be realistic. Estimate how long tasks actually take, then double it. Seriously. Scope creep is the enemy of indie developers.

Listening to the Band: Incorporating Player Feedback

Playtesting is vital, even early on. Show your game to friends, family, or online communities. Watch them play. Don’t explain. Just observe. Where do they struggle? What do they enjoy?

Don’t blindly implement every suggestion. Filter feedback through your vision. Are the issues core to the game, or peripheral annoyances? Address core issues first.

Documenting the Jam Session: The Power of a Game Dev Journal

This is where the magic happens. A game dev journal isn’t just a diary. It’s a record of your design decisions, your experiments, your failures, and your breakthroughs. It helps you understand why you made certain choices.

A good game dev journal includes:

  • Sprint goals and results: Did you achieve what you set out to do? Why or why not?
  • Player feedback: What did you learn from playtesting? What changes did you make?
  • Design decisions: Explain your reasoning. What problem were you trying to solve?
  • Challenges and solutions: How did you overcome obstacles? What tools or techniques did you use?
  • Ideas for future development: Brainstorming, wishlists, potential features.

Without a journal, you’ll forget your reasoning. You’ll repeat mistakes. You’ll lose track of your vision. It’s like trying to remember a complex jazz solo without writing it down.

Some indie developers use spreadsheets, others prefer dedicated software, and some even handwrite their entries in a physical notebook. The important thing is to find a system that works for you and stick to it.

Avoiding the Noise: Common Journaling Pitfalls

  • Inconsistency: Sporadic entries are useless. Make journaling a daily habit. Even a few minutes each day makes a difference.
  • Vagueness: “Fixed a bug” is bad. “Fixed a bug where the player could walk through walls after jumping near the north edge of the map” is good. Be specific.
  • Ignoring Failures: Don’t only document successes. Analyzing failures is crucial for learning and growth.
  • Not Tagging/Categorizing: Add tags to your entries (e.g., “Combat,” “UI,” “Level Design”). This makes it easy to find specific information later.

Real-World Examples: Indie Dev Wisdom

Many successful indie developers swear by journaling. Rami Ismail, for example, often shares insights into his design process, showcasing how meticulous documentation fuels iteration. The Spelunky developer, Derek Yu, also discussed the importance of postmortems and learning from mistakes. These are forms of journaling.

Actionable Steps: Start Your Agile Journey

  1. Define your MVP. What’s the core gameplay loop?
  2. Set achievable sprint goals (1-2 weeks).
  3. Regularly playtest and gather feedback.
  4. Document everything in a game dev journal. Be consistent, specific, and honest.
  5. Reflect on your progress. Are you moving in the right direction? Adjust as needed.

Ready to improvise with purpose? Start documenting your game design journey with our Game Design Journaling Tool. It’s built to help you track your progress, organize your thoughts, and make better design decisions, leading to better games.