Typing commands to an NPC was a tech demo concept two years ago. Now, in 2026, major studios are releasing games integrating it. KRAFTON included a voice-controlled AI teammate via NVIDIA ACE for the popular battle royale game PUBG. Ubisoft explored a feature allowing NPCs to freely speak during interactions with their NEO NPC technology. Meaning Machine developed a murder mystery adventure called Dead Meat.
What Makes These Games Different
With traditional games, you press the button, and that’s it, you get the result. With chat-controlled games, natural language processing happens. So, instead of typing something like “search the desk drawer” or saying it out loud, the language model gets it, and it’s sent to the game engine. The fundamental differences in chat-controlled dialog trees are:
- The player may phrase the request as they want to. This allows the player to be expressive in many different ways.
- Narrative is a process. It is a branching story based on actual dialogue, not a set decision tree.
- Voice is used with text. NVIDIA ACE handles speech recognition and voice synthesis for NPCs. It responds in under 200 milliseconds.
Inworld AI has a response time of 200 ms. This is much faster than the 1-2 seconds typical for standard cloud APIs. As a result, NPC dialogue flows more naturally.
Why Players Stay Longer
A scripted character says the same thing every time you pass through a level. An AI-controlled character responds differently. It adjusts its attitude according to what happened before. And if matters have fallen out, it may also withhold its help.
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Genres and Projects Setting the Pace
Chat control fits any genre where dialogue drives gameplay. Four categories are moving fastest:
| Genre | Project | What AI does |
| Text adventures | AI Dungeon (Latitude) | Generates a story from free-text player input |
| Battle RPG | PUBG Ally (KRAFTON + NVIDIA ACE) | AI teammate follows voice commands, shares loot, and suggests tactics |
| Social simulation | inZOI (KRAFTON, Smart Zoi mode) | City NPCs behave autonomously and react to speech |
Ubisoft’s NEO NPC demo featured two characters, Bloom and Iron, each with a distinct backstory and conversational style built on the Inworld engine. NVIDIA Audio2Face handled real-time lip sync.
Here, players do have NPCs to question but no dialogue options. The recent Grand View Research projected the AI in the gaming sector size to be 3.28 billion US dollars by 2024. They anticipate that the size of the gaming AI sector will be 51.26 billion US dollars by 2033 with a 36.1% CAGR. Chat interfaces and NPCs do contribute to that ever-increasing figure.
Accessibility and Community Effects
A text or voice command Çis far less complicated than a combination of five buttons on a controller. Voice commands make games that require quick reflexes accessible to gamers with less dexterity. Speech generation using in-game AI allows gamers to:
- speak in their native language;
- avoid waiting for localization;
- improve the gaming experience.
PUBG Ally provides a missing slot position with a linguistic AI companion for the user. The testing started initially in the first half of 2026 for English, Korean, and Chinese languages.
The Technology Stack
The base layer consists of large language models and reinforcement learning. NVIDIA ACE is using the compact Mistral-Nemo-Minitron-8B model directly on the GPU; that is, directly on the device. That prevents spikes in latency while keeping player information on the device.
According to SmartDev, citing Aream & Co., by 2025, 84% of gaming executives have used or tested AI tools. On Steam, there are 7,818 games that have identified generative AI, which represent 20% of new games in 2025 that use the tools. Inworld AI and ConvAI offer SDKs that allow smaller developers to use the same tools that KRAFTON and Ubisoft use today.
Open Problems
A lack of free dialogue poses a problem with moderation. The language model can:
- generate inappropriate content during gameplay;
- use NVIDIA and a feature called NeMo Guardrails;
- ensure that NPC dialogue is consistent with the game world.
Narrative coherence is another weakness of the current system. If a player’s conversation is out of sync with reality, the narrative can break down. Ubisoft also addressed this issue in its NEO NPC tool, using a combination of generative responses and anchor points.
What Comes Next
Players who try free-form NPC dialogue rarely want fixed response menus again. NVIDIA ACE, Inworld AI, and ConvAI are embedded in titles from KRAFTON, Ubisoft, NetEase, and Perfect World Games. Chat control is set to spread beyond RPGs into shooters, strategy, and educational games over the next several years.
