Inspiration
We started with the theme Echo and wanted to go beyond the idea of simple repetition. Instead, we were inspired by how sound behaves in the real world - how it reflects, passes through materials, and changes depending on frequency.
This led us to the idea of turning sound into a core gameplay mechanic rather than just an effect.
Development
From the beginning, we knew we wanted to build a 2D platformer, but we struggled with how to meaningfully incorporate the theme. After brainstorming, we reframed "echo" as a physical interaction rather than repetition.
We designed two types of sound waves:
- Low frequency waves that pass through certain materials
- High frequency waves that reflect off surfaces
This system is loosely inspired by real-world wave behavior. The idea of different frequencies interacting differently with materials became the foundation of our mechanics.
Implementation
We divided our work across the team:
- Our own sprite animation and background art
- Core gameplay systems and physics were implemented in-engine
- Hardware integration (Arduino) explored alternative input possibilities
- Level design focused on teaching mechanics through progressive challenges
We iterated quickly, testing how players would interpret and use the echo system, and refined interactions to make them consistent and intuitive.
Challenges
One of the biggest challenges was balancing simplicity with depth. We wanted mechanics that were easy to understand but still allowed for complex and interesting puzzles.
Another challenge was ensuring clarity - players needed to immediately understand why something worked or didn’t. This required careful tuning of visuals, interactions, and level design.
What We Learned
We learned how powerful a single well-defined system can be. By keeping our rules consistent, we were able to create emergent gameplay where players discover solutions on their own.
We also gained experience in rapid prototyping, team collaboration, and designing mechanics that are both intuitive and expressive.
Future Work
If we continued development, we would expand the system with new materials, more enemy behaviors, and additional mechanics such as inverse sound waves that cancel out attacks.
We also see potential for more complex level design and larger environments that fully explore the depth of the echo system.
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