Coding agents for game development
| Tool | Best for | Pricing | Free plan |
|---|---|---|---|
| Bolt | People comfortable prototyping a small browser game in a general web app builder, with code they can download | Free plan with 1M tokens a month; Pro $25/month; Teams $30 per member/month (as of October 2026) | Yes |
| Claude Code | Developers who want an agent to write, run and test game code in their own project, in any engine or web stack | Included with paid Claude plans: Pro $20/month ($17/month billed annually), Max from $100/month, Team and Enterprise; not on the free plan; can also run on an Anthropic Console API account (as of October 2026) | No |
| Cursor | Developers who want to see and edit the code while an agent builds their game | Free plan; Plus $8/month (Grok models only); Premium $30, Super $100 and Ultra $200 a month, with third-party models billed separately at API list prices (as of October 2026) | Yes |
| Genex | Developers comfortable with coding agents who want a free, local, open-source harness for building games, mainly Three.js browser games | Open source (MIT) | Yes |
| OpenAI Codex | Developers with a ChatGPT plan who want an agent to build and fix game code locally or in the cloud | Open source (Apache-2.0 (CLI only)) | Yes |
| Replit | Beginners happy to look at code, and developers who want a browser game or mobile game app with no local setup | Free Starter plan; Core $20/month ($18 billed yearly); Pro from $100/month ($90 billed yearly) as of October 2026 | Yes |
BoltBrowser-based AI builder for websites and web apps
Claude CodeAnthropic's coding agent for terminal, IDE and desktop
CursorAI code editor with agents, bundled with Grok and X
GenexDesktop app that runs AI agents as a game-dev team
OpenAI CodexOpenAI's coding agent for terminal, IDE and cloud
ReplitBrowser coding platform with an agent for web apps
Compiled by AIGamer from each tool's own pages; we haven't tested every tool hands-on. Prices change, so check the tool's site before you buy.