#Tools & engines

Google and Unity partner to launch AI game development platforms Playground and Unity Spark

Google and Unity announced a strategic partnership to jointly launch an AI game development platform for next-generation interactive entertainment, with Google's experimental platform Playground going live the same day and Unity Spark to be integrated later this year.

Epic launches Unreal MCP for Unreal Engine with official support for agentic LLM tools in the editor

Epic launched the Unreal Model Context Protocol (MCP) for Unreal Engine, officially supporting the connection of commonly used agentic LLM tools directly into Unreal Engine. The protocol is built on the open MCP standard, letting agents perform operations in projects through the capabilities exposed by each editor. Developers can use compatible agentic coding tools, or build integrations, skills, and workflows around their own way of creating; documentation is at https://epic.gm/ue-mcp-docs.

A First Look at Unreal MCP in Unreal Engine 5.8

Epic has introduced Unreal MCP (Unreal Model Context Protocol) in Unreal Engine 5.8, giving agentic LLM tools an officially supported way to connect.

Same story as the pick “Epic launches Unreal MCP for Unreal Engine with official support for agentic LLM tools in the editor”

Google Releases Its Own Game Creation Platform

Google has released Playground, an experimental game creation platform where users can generate and playtest games in the browser through conversation, without writing any code. Google Labs says the platform offers a blank canvas, starter prompt templates and guided support, so users can adjust physics, rules, characters and environments at any time, then share what they build with friends or the Playground community. More than a dozen games are already on the site, shown by player rating and play activity, and all of them have to pass a safety review.

Same story as the pick “Google launches experimental AI game platform Google Playground”

Unity Launches Unity Spark, a Browser-Based AI-Assisted Game Creation Platform

Unity has launched Unity Spark, a browser-based game creation platform where users can describe, build, modify and publish interactive experiences in natural language, without having to learn to code first. The platform plugs directly into the Unity Asset Store, using thousands of 2D and 3D assets made by community artists, and according to the Financial Times it can also generate some assets, though most images and effects come from the existing asset library, with contributing artists receiving credit and payment.

Same story as the pick “Why Unity built the browser game creation tool Unity Spark”

Unity Unveils Unity Spark, a Prompt-Based Game-Building Tool for Google's AI Game Platform Playground

Unity has entered a strategic partnership with Google, launching the prompt-based game-building tool Unity Spark inside the developer environment of Google's AI game platform Playground.

Same story as the pick “Why Unity built the browser game creation tool Unity Spark”

Unity launches Unity Spark for no-code game creation and publishing on Google Playground

Unity launches Unity Spark, which lets users create games, iterate with others, publish and play without writing a single line of code; assets come from artist-made items in the Unity Asset Store and can be refined further in the new web editor.

Same story as the pick “Why Unity built the browser game creation tool Unity Spark”

Unity unveils Unity Spark, a web-based AI game creation platform

Unity unveiled Unity Spark, an AI game creation platform built on the Unity engine. It enters beta later this year and runs entirely in the browser with no download required. Appearing the same day as Unity Spark was Playground, Google's platform for generating games from natural-language prompts.

Same story as the pick “Why Unity built the browser game creation tool Unity Spark”

Why Unity built the browser game creation tool Unity Spark

Unity partnered with Google to launch Unity Spark, which lets users make and share games directly in the browser without Unity or game development experience. It connects to the Unity Asset Store with access to thousands of community-made art assets, and targets players, graphic designers and modders who are familiar with a genre and spot the gaps in it but don't know how to code.

Google launches experimental AI game platform Google Playground

Google launched an experimental AI game platform called Google Playground, where users can create, play and share fully customized games by entering prompts through a conversational interface, with no coding experience required. Google says users can direct it like a director, adjusting rules with prompts, customizing characters and fine-tuning environments, and the browser-based platform runs games on phones and laptops. Unity announced Unity Spark, a new tool that goes with Playground, at around the same time.

Muse Spark 1.3 goes live on Inworld Realtime Router

Inworld AI announced that Meta's reasoning and coding model Muse Spark 1.3 is now live on Inworld Realtime Router, with closed weights, support for a 1M token context, and pricing of $1.25 per 1M input tokens and $4.25 per 1M output tokens. According to its disclosure, in Meta's internal coding tests, this version uses about 25% fewer tokens than Spark 1.2.

GPT-6.1 Sol goes live on Inworld Realtime Router

GPT-6.1 Sol is now live on Inworld Realtime Router. - OpenAI's upgraded Sol tier - According to OpenAI, intelligence approaching Astra at one-fifth the price - 1M token context, 128K output - $2.00 per 1M input tokens / $10.00 per 1M output tokens. At provider rates, no markup. Just swap the model string and use it directly!

Unity launches official Grok Build plugin, reusing the 30-plus skills from Claude Code and Codex

Unity releases an official Grok Build plugin, making Grok Build the third coding agent to receive Unity engineering guidance.

NVIDIA announces this month's updates for RTX game developers, including DLSS 5, ACE upgrades and RTX Kit 2026.3

NVIDIA announced this month's updates for RTX game developers, including DLSS 5 with 3D-Guided Neural Rendering controls, speech pipeline extensions and inference framework updates for NVIDIA ACE, and RTX Kit 2026.3, which includes RTX Mega Geometry 2.0. The official tweet links to the developer blog post for this update; capabilities and integration details are in the original on developer.nvidia.com.

EA, Ubisoft, Embark and other publishers bring PC games and anticheat support to NVIDIA RTX Spark

NVIDIA announced at Gamescom that publishers including EA, Embark and Ubisoft will bring games and anticheat support to RTX Spark, which launches this fall, with EA Javelin Anticheat also natively supporting the platform.

Building realtime conversational voice agents with Mastra and the Inworld Realtime API

Inworld introduces @mastra/voice-inworld-realtime, which merges STT, LLM and realtime TTS into a single WebSocket session bound to a Mastra Agent.

Inworld cuts prices across its voice and LLM stack, by more than half for most developers

Inworld announced price cuts across its entire voice stack, with most developers seeing reductions of more than half at each layer of text-to-speech, speech recognition, LLMs and compute. The new prices are already in effect for all developers. Realtime TTS-2 drops to about $10/1M characters, speech recognition to about $0.10/hour, and Router can connect to 100+ models with no markup on third-party models.