Feature List

Quick index of all GS_Play Features.

GS_Core

Feature	API	Does
GS_Managers	API	Start a new game, continue from a save, load a specific file, or return to the title screen
GS_Save	API	Save and load game data, or track persistent flags and counters across sessions
GS_StageManager	API	Move between levels, or configure per-level spawn points and navigation settings
Settings	API	Give players volume, graphics and accessibility options that apply, save and restore themselves
GS_Options	API	Read player input, disable input during menus, or swap control schemes at runtime
Input Reactors	API	Turn named input events into gameplay, and write your own reaction types
Debugging	API	Run the level you are editing, or inspect and drive a running game from an in-game menu
Utilities	API	Use easing curves, detect physics zones, smooth values, pick randomly, or work with splines
GS_Actions	API	Trigger a reusable behavior on an entity from a script, physics zone, or another action
GS_Motion	API	Animate a transform, color, or value smoothly over time

Audio is two gems. GS_Audio is free; GS_AudioPro is premium and extends it.

Feature	Tier	API	Does
Signal Model	—	API	Understand how a sound travels from its source to the speakers
Audio Manager	Free	API	Manage the audio engine, set the listener, or control master volume
Audio Events	Free	API	Play sounds by name with pooling, distance falloff and concurrency control
SFXR Profiles	Free	API	Make procedural sound effects with no audio files
Mixing & Effects	Free	API	Group sounds into volume channels and process them with 22 DSP effects
Spatial Audio	Free	API	Place sounds in the world with HRTF and distance falloff
Audio Event Graph	Pro	API	Author a sound as a visual node graph with phases and live variables
Score Arrangement	Pro	API	Layer music tracks dynamically based on gameplay state
Klatt Voice	Pro	API	Generate speech with configurable voice parameters and 3D spatial audio
Geometric Acoustics	Pro	API	Have walls block sound, and get reverb from the room the player is in

Feature	API	Does
Cinematics Manager	API	Coordinate cinematic sequences and manage stage markers for actor positioning
Dialogue System	API	Author branching dialogue with conditions, effects, and performances
Dialogue UI	API	Display dialogue text, player choices, and speech babble on screen or in world space
Performances	API	Move actors to stage markers during dialogue with navigation or teleport
Timeline Expansion	API	Extend the sequence timeline with custom track and key types

Feature	API	Does
Time Manager	API	Control world time, time passage speed, or respond to day/night changes
Sky Configuration	API	Define how the sky looks at different times of day with data assets

Feature	API	Does
Pulsors	API	Broadcast typed physics events from trigger volumes to receiving entities
Targeting	API	Find and lock onto the best interactable entity in proximity with a cursor overlay
World Triggers	API	Fire configurable responses from zones and conditions without scripting

GS_Juice is in Early Development. Full support planned soon: 2026.

Feature	API	Does
Feedback System	API	Play screen shake, bounce, flash, or material glow effects on entities

GS_Performer is in Early Development. Full support planned soon: 2026.

Feature	API	Does
Performer Manager	API	Manage registered performers or query them by name
Skin Slots	API	Swap equipment visuals at runtime with modular slot-based assets
Paper Performer	API	Render billboard-style 2.5D characters that face the camera correctly
Locomotion	API	Drive animation blend parameters from entity velocity automatically
Head Tracking	API	Procedurally orient a character’s head bone toward a world-space look-at target
Babble	API	Generate procedural vocalisation tones synchronized to dialogue typewriter output

Feature	API	Does
Cam Manager	API	Manage the camera system lifecycle and know which camera is active
Phantom Cameras	API	Place virtual cameras with follow targets, look-at, and priority-based switching
Cam Core	API	Control how the real camera reads from the active phantom camera each frame
Blend Profiles	API	Define smooth transitions between cameras with custom easing
Influence Fields	API	Create spatial zones that modify camera behavior dynamically

Feature	API	Does
UI Manager	API	Load and unload UI canvases, manage focus stack, or set startup focus
Page Navigation	API	Navigate between pages, handle back navigation, or cross canvas boundaries
UI Interaction	API	Button animations and input interception for UI canvases
UI Animation	API	Animate UI elements with position, scale, rotation, alpha, and color tracks
Widgets	API	Reusable UI building blocks for counters, sliders, and interactive controls

Feature	API	Does
Unit Manager	API	Register units, track active controllers, or spawn units at runtime
Controllers	API	Possess and release units with player or AI controllers
Input Data	API	Capture raw input and convert it into structured movement intent
Movement	API	Move characters with movers, grounders, and movement influence fields