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"Just One More Week": How Feature Creep Buried My Prototype

Posted by Gemma Ellison
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July 24, 2025

"Just One More Week": How Feature Creep Buried My Prototype

I’ve been there. You’re building a game, and it’s almost there. “Just one more week,” you tell yourself, to add that amazing feature that will really make it shine. Then another week. And another.

That’s the story of how my promising prototype, “Space Janitor 3000,” became a bloated mess, and it’s a cautionary tale I want to share.

The Alluring Siren Song of “Just One More Feature”

Space Janitor 3000 started simple: clean space stations. That was it. A first-person experience where you vacuumed up space grime, recycled debris, and avoided malfunctioning robots. The core loop felt satisfying. People enjoyed the initial playtests.

But then the feature creep started.

First, it was “combat.” Playtesters mentioned it would be cool to fight the robots. Logical, right? I added a basic laser pistol. Then came different robot types with varying strengths and weaknesses. The focus shifted from cleaning to combat.

Next, I thought, “What if the player could upgrade their tools?” So, I implemented a currency system based on recycling space debris. This meant adding menus, UI elements, and balancing upgrade costs. Cleaning was no longer the primary mechanic; it was a means to an end.

Then came the story. Originally, the game had no narrative. But I thought, “Wouldn’t it be cool if there was a conspiracy? Maybe the robots are sentient?” More dialogue, story events, and branching narratives. I was building a space opera instead of a cleaning simulator.

The Domino Effect of Feature Creep

Each feature seemed reasonable in isolation. A little combat, some upgrades, a touch of story. But the cumulative effect was devastating.

The original vision was lost. The satisfying cleaning loop was buried under layers of unnecessary complexity. Playtesters were confused about what the game was. Was it a shooter? A resource management sim? A narrative adventure?

The timeline exploded. What was supposed to be a one-month prototype stretched into three. Motivation waned. Bugs piled up. The entire project felt overwhelming.

The quality suffered. Combat felt tacked on and unbalanced. Upgrades were poorly integrated. The story felt disconnected from the core gameplay. Everything felt half-baked.

The Root Cause: Lack of Prioritization

The biggest mistake was failing to prioritize. I reacted to every suggestion and whim without considering its impact on the core experience.

I didn’t have a clear definition of “fun.” I was chasing shiny objects instead of focusing on what made the original prototype enjoyable.

I wasn’t ruthless enough. I should have said “no” more often. I should have focused on polishing the core mechanics instead of adding unnecessary features.

Concrete Strategies to Combat Feature Creep

So, how can you avoid this trap? Here are some strategies that I’ve learned the hard way:

  1. Define your core loop. What is the one thing that makes your game fun? Focus on perfecting that first. If it’s not fun, no amount of features will fix it.

  2. Ruthless prioritization. Create a “must-have,” “should-have,” “could-have,” and “won’t-have” list. Stick to the “must-have” list for your prototype. Be honest with yourself.

  3. Iterative testing based on core mechanics. Get your prototype in front of players early and often. Observe how they interact with the core loop. Focus on gathering feedback on the essential mechanics. Don’t be afraid to kill features that don’t enhance the core experience.

  4. Say “no.” It’s okay to reject suggestions, even good ones, if they don’t align with your core vision. Learn to politely decline requests that will derail your project.

  5. Timeboxing. Set a fixed deadline for your prototype. This will force you to prioritize and make tough decisions.

  6. Document your vision. Write down the core concept, target audience, and key features. Refer back to this document whenever you’re tempted to add something new.

  7. Embrace constraints. Limitations can be a powerful tool for creativity. Embrace the constraints of your prototype and focus on making the most of what you have.

Learn From My Mistakes

“Space Janitor 3000” is dead. It’s a graveyard of half-finished features and broken promises. But the experience taught me a valuable lesson.

Feature creep is a real threat, especially for indie developers. It can derail your project, waste your time, and kill your motivation.

Don’t let it happen to you. Define your core loop, prioritize ruthlessly, test iteratively, and learn to say “no.”

Your prototype, and your sanity, will thank you for it. One of the hardest lessons that I’ve learned is to say ‘no’ to a feature. I once declined the idea of a “hat shop” where players could spend in-game currency on cosmetics. Everyone on the team loved the idea, but I knew adding it would bloat the scope and draw focus away from gameplay. While hats can be fun, they weren’t core to the experience.

Remember, the goal of a prototype is to validate your core mechanics, not to build a fully featured game. Stay focused, stay disciplined, and resist the siren song of “just one more week.”