Open-source agent runtime for AI-native games, autonomous NPCs, and interactive worlds.

Make game worlds
truly alive.

Game characters understand goals, use game capabilities, inspect outcomes, revise plans, and continue to perceive, decide, and act through game time and world rules.

Open-source framework

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WORLD / 01A LIVING WORLDCONTINUOUS PERCEPTION AND ACTION
DialogueMemoryPerceptionActionEvolution
SCROLL TO EXPLORE THE FRAMEWORK

02 / GOALS AND TOOLS

Goal-driven planning.Continuous task execution.

Characters break goals into sequential steps, use dialogue, movement, interaction, trade, or combat abilities, and adjust their plans from each execution result.Explore the framework

03 / EXECUTION AND FEEDBACK

Autonomous decisions.Game-confirmed execution.

Characters generate action intent. The game confirms and executes it against permissions, resources, distance, and state, then returns the actual result for the next decision.See how actions work

04 / CROSS-GAME ADAPTATION

One agent runtime.Adapted to different game worlds.

The framework unifies goals, memory, tool use, and action results, then integrates with each game's rules, time systems, and interaction capabilities.Explore projects

05 / MULTI-ACTOR RUNTIME

Independent character agents.One shared game world.

Each character has independent goals, long-term memory, tasks, and messages, with support for ordered action, parallel thinking, delegation, and collaboration.View Jianghu Youling

06 / GAME TIME AND RECOVERY

Game-time awareness.Long-running task continuity.

Characters understand turns, day and night, dates, and phases, schedule work in future game time, and resume from the correct point after calendar advances, disconnection, or interruption.Discuss game AI integration

Continuous perception,
memory, decisions, and action.

Characters continuously receive player, character, and world state, retain relevant memory, make goal-driven decisions, and write action results back to the game.

STEP 01
PerceivePlayers, characters, and world state
STEP 02
RememberRelationships, events, and task history
STEP 03
DecideCombine goals with current conditions
STEP 04
ExecuteUse game abilities and receive results

Connect agent decisions to the game runtime.

Characters understand goals, use game abilities, and continue from results, while the game executes every state change and returns the outcome.

GAMEOpenGameAgentGAME AI FRAMEWORK
TOOL LOOPGoal planning, tool use, and result inspection
GAME CLOCKPlan and act in game time
DURABLE OPSRecoverable actions across scenes
MEMORYLong-term memory, skills, and workflows
AUTHORITYStructured actions and game-state control

Released projects and integrations in development.

All projects
WORLD / 01Released

The Scroll of Taiwu · Jianghu Youling

Jianghu NPCs with dialogue, long-term memory, and autonomous action

NPCs understand current context, retain long-term memories, join group conversations, and act autonomously as months and events unfold. Game code confirms and executes every operation.

  • Open dialogue
  • Long-term memory
  • Proactive action
  • Multi-model
View on Workshop
The Scroll of Taiwu · Jianghu Youling project coverReleased
WORLD / 02In development

Don't Starve Together

AI survival companions with world perception and coordinated action

Each player can have an independent AI companion with dialogue, survival awareness, inventory and threat perception, and autonomous collaboration. The companion falls back to standard behavior when AI service is unavailable.

  • Contextual dialogue
  • Survival teamwork
  • Player ownership
  • Offline fallback
View the game
Don't Starve Together project coverIn development
WORLD / 03In development

Stardew Valley

Residents with relationship memory and autonomous schedules

Residents converse freely, remember relationships, promises, and shared experiences, then visit, cooperate, trade, make requests, or change routines as seasons and the community evolve.

  • Open dialogue
  • Relationship memory
  • Season awareness
  • Autonomous schedules
View the game
Stardew Valley project coverIn development
WORLD / 04In development

Minecraft

AI characters with dialogue, world perception, and tool-based action

AI characters support dialogue, perceive blocks, items, creatures, and events, and autonomously perform gathering, crafting, building, exploration, and collaboration tasks.

  • Natural dialogue
  • World perception
  • Gather & build
  • Multiplayer teamwork
View the game
Minecraft project coverIn development
WORLD / 05In development

Terraria

Characters with supply planning, patrol, and combat coordination

Residents and companions converse and remember people and events, perceive settlements, gear, environments, and threats, then prepare supplies, patrol, explore, and cooperate in invasions and boss fights.

  • Dialogue memory
  • Threat awareness
  • Supply prep
  • Combat teamwork
View the game
Terraria project coverIn development
PROJECT / +1AI-NATIVE INDIE GAME · IN DEVELOPMENT

AI-native indie game

Characters act from personality, memory, relationships, knowledge, and present context. One player decision may reshape the Jianghu much later.

View the project concept

Take game AI from a playable prototype to production.

Your team keeps control of gameplay, world rules, and character experience. OpenGameAgent provides the open runtime, with production cloud services available when the project needs reliable capacity, realtime interaction, and long-term operations.

Explore production services
OPEN / RUNTIMEThe execution core for game charactersOpen source · local · under your control
GOAL LOOP

Goal-driven planning and tool execution

Characters combine personality, context, and goals into execution steps, use dialogue, movement, trade, combat, or building tools, and continuously adjust plans from results.

GAME TIME

Game time and task scheduling

Characters understand turns, day and night, dates, and phases, schedule tasks in future game time, and preserve one timeline through pauses, calendar advances, and reconnection.

ACTOR RUNTIME

Independent multi-character execution and collaboration

One world can run multiple character agents. Each retains independent memory, tasks, and messages, with ordered action, parallel thinking, delegation, and collaboration.

AGENT / CLOUDProduction infrastructure for launchModels · realtime · scale and recovery
MODEL GATEWAY

Model capacity and intelligent routing

Connect language, speech, vision, and generation models through one layer, route by quality, latency, availability, and cost, and switch automatically during peaks or failures.

REALTIME

Realtime voice and multimodal interaction

Support streaming dialogue, player interruption, character voices, subtitles, and animation events while bringing text, speech, visuals, and game events into one live interaction.

AGENT SCALE

Durable workflows and character concurrency

Operate multi-character scheduling, asynchronous jobs, long-running state, and failure recovery so one character, an entire town, or an evolving world can run reliably.

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