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Crash! Clang! Ka-Boom!
When packs of kaiju collide with rival squads and decimate the cozy city of Mythtar, sound plays a key role. From the smallest gameplay interactions to large-scale building destruction, Gido Gido's audio keeps the soundscape dynamic while ensuring important moments stay clear and easy to distinguish amid the mayhem.
Here are some key audio features from our lead designer, Neil Lin, that bring Mythtar City's behemoth beast battles to life.
"The music changes dynamically, responding to both the player's squad and what is happening in the match." — Neil Lin, Lead Designer
Sound Variation & Randomization
To avoid repetitive sounds, most actions draw on multiple variations, with slight, random changes in pitch and volume. These small differences help keep repeated actions from becoming predictable or fatiguing, especially during extended combat.
Dynamic Impact System
Different attacks produce different impact sounds depending on what they hit. For example, slashes, projectiles, or Ultra Gido headbutts will sound different when striking rival kaiju, plants, or buildings. This allows the audio to communicate what the player is doing and what their attack is interacting with. The result is a more responsive soundscape where impacts feel connected to the world around them.
Scaled Destruction Audio
Building-destruction audio varies with the structure's size. A small structure collapsing should not sound the same as a massive skyscraper coming down, so the system uses different sounds to match the event's scale and weight.
Relationship-Based Mixing
Sounds are mixed differently depending on whether they come from teammates or enemies, helping players understand what is happening around them.
Teammate sounds are slightly softened to reduce audio clutter. This includes lower volume with a "mid-scoop" EQ, helping them sit more naturally in the overall mix without competing with the sounds that require immediate attention.
Enemy sounds are sharper and more aggressive to help players react quickly during combat. We use enhanced high-end frequencies and added distortion to provide clearer tactical warnings and a greater sense of aggression.
Adaptive BGM: Ultra Gido Transformation
When players fuse into an Ultra Gido, the music changes dynamically, responding to both the player's squad and what is happening in the match. This makes the transformation feel like a meaningful shift in the battle.
Progressive Battle Music
The soundtrack becomes more intense as the match progresses. The early game features a steady, mid-tempo rhythm, which transitions into a high-intensity, fast-paced arrangement as the battle reaches its climax, following the match's natural momentum.
Pitch-Shift Feedback for Mechanics
Audio cues give players a clear indication of their current state without requiring them to look at the UI. For example, the "consuming" mechanic uses a rising pitch to indicate growing momentum with consecutive kills. If the chain is interrupted, a specific "burp" sound triggers to signal the combo reset.
Phase Cancellation Prevention & Clarity
When multiple identical sounds trigger simultaneously, there is a risk of phase cancellation and audio "mud." This can make large-scale destruction sound less impactful because multiple sounds blend into one unclear mass. To prevent this, we implemented a ~0.1s inter-onset delay.
For example, hitting three buildings at once causes the system to slightly stagger audio playback, allowing the player to hear three distinct, punchy impacts. This preserves the clarity and impact of large-scale destruction.
Dynamic Frequency Ducking
We use side-chain compression/EQ to balance music and sound effects dynamically, so during key gameplay moments, the music automatically lowers certain frequencies, allowing major sound effects to cut through clearly without reducing the soundtrack's overall energy.
Building a Dynamic Soundscape
Together, these systems allow the audio to react to what is happening in the game rather than simply playing sounds on top of the action. From randomized sound variations and dynamic impacts to relationship-based mixing, progressive music, and large-scale destruction, each system is designed to sonically bring the world to life as kaiju stomp it to pieces.