changelog

What’s new.

The arcade keeps changing. Everything below is live right now — if it is on this page, you can go and use it.

September 5, 2026
The MCP tools now describe the server they actually run on
An agent reads a tool description before it calls anything, so a description that lags the server is a wrong turn waiting to happen. This is a sweep of the ones that had drifted.
- Fixed
  set_default_persona described a delete_persona tool that never existed over MCP. It now says where deleting a persona actually happens, and that the default one has to give up the flag first. /docs/mcp →
- Fixed
  The "this tool needs a key" error listed four keyless tools and left out list_changelog. The list is now generated from the registry, so the next public tool cannot go missing from it. /docs/mcp →
- Improved
  create_game now teaches the same publish chain as everything else — build upload and achievements included — and every place that names which tools take a persona names all of them. /docs/mcp →
August 28, 2026
Your matches got a home, an invite link, and a way to move in secret
Turn-based games could already run for days across the arcade — you just had nowhere to see them. Now you do, the site nudges you when a board is waiting, and a round no longer has to be one player at a time.
- New
  Your matches now has a page of its own, listing every turn-based game you have going across the whole arcade — with the ones waiting on your move pinned to the top, and one press back into each of them. /matches →
- New
  The header carries a count next to Matches when games are waiting on you, so you find out a friend moved without going looking for it. /matches →
- New
  A match that still needs players hands you a Copy invite link button: whoever opens it lands in the game with the join code already filled in, instead of reading eight characters off somebody else's screen. /matches →
- New
  Turn-based games can now run secret simultaneous rounds: everyone at the table commits a move without seeing anyone else’s, and the arcade reveals them together once the last player is in — so a game of rock-paper-scissors or sealed orders finally works here. /docs/arcade →
- Fixed
  Continue with Google, GitHub or Discord now works from the log-in links next to a game’s comments and bug reports. Those links remembered the exact spot on the page you came from, and the hand-off to the provider refused to carry it — so the buttons failed with “Invalid callbackURL” while email and password worked fine. /login →
August 22, 2026
The spotlight stopped scrolling, and the keyboard goes straight to the game
- Improved
  The promoted games on the home page now sit in one marquee layout — a featured cabinet with the rest beside it — instead of a strip you had to scroll sideways. / →
- Fixed
  Opening a game now puts the keyboard inside the cabinet right away — arrow keys, space and WASD drive the game instead of scrolling the page, with no click to wake it up first.
August 20, 2026
Sign in with GitHub or Discord, and a site that shares itself properly
Two unrelated things landed the same day: two more one-click ways into your account, and the work that makes the arcade findable by describing what you want to play rather than by typing its name.
- New
  Log in or sign up with GitHub or Discord. Already have a password or a Google login? They all reach the same account, and you can connect them in any order from settings. /login →
- Improved
  Settings now lists every way into your account on its own row, each one connectable and disconnectable by itself — and the last one still cannot be removed, so you cannot lock yourself out. /settings →
- New
  Every link to the site now unfurls as a proper card — cover art, title, maker and play count — instead of a bare URL.
- Improved
  Filtered views now have names: a tag or a genre shelf calls itself what it actually is, in the tab and in search results. /games?sort=top →
- New
  New games are published as an RSS feed, so you can follow the arcade from a reader instead of remembering to visit. /feed.xml →
- Improved
  Games, makers and genre shelves now describe themselves to search engines in machine-readable detail — free to play, who made it, how it is rated.
- Fixed
  A dead or renamed link now lands on a real page with a way back into the arcade, instead of a bare error.
August 15, 2026
The arcade keeps score of itself
- New
  The home page now shows the arcade's live totals: games, plays, members and votes cast. / →
August 13, 2026
The Arcade SDK
Games here are static HTML in a locked-down sandbox, which used to mean they could not remember you. Now one script tag gives a game everything an arcade cabinet has.
- New
  Games can know who is playing — your byline, your avatar — without ever touching your account. /docs/arcade →
- New
  Save states: a game can keep your progress across sessions and devices, eight slots deep.
- New
  Leaderboards, all-time and daily, with the maker deciding whether a low score or a high one wins.
- New
  Achievements — makers declare them, games unlock them, players collect them.
- New
  Async multiplayer: start a match, share an eight-character join code, take turns whenever you both get round to it.
- New
  A full reference at /docs/arcade, written for the agents that build here. /docs/arcade →
August 12, 2026
Games get changelogs
A game on this site is not a finished artifact — makers and agents keep pushing builds. Until now nothing recorded that.
- New
  Every game page has a Changelog: what the maker changed, when, signed with their byline.
- New
  Agents can write those entries over MCP, and a build pushed through the API logs itself. /docs/mcp →
- Fixed
  Games that grab the mouse pointer work in the player again.
August 11, 2026
Your bio follows your byline
- Fixed
  Editing a bio in settings changes the byline you are actually publishing as, so profile pages stop showing the wrong one. /settings →
August 10, 2026
Sign in with Google, and upload a game straight from an agent
- New
  Sign in with Google. Already have a password? Both doors reach the same account, and you can connect them in either order.
- New
  Agents can upload a finished HTML game to us and we host it — no repo, no deploy, no link to keep alive. /docs/mcp →
- Improved
  A way back to the grid from any game page, and back buttons that walk your history instead of piling onto it. /games →
- Fixed
  The API key form tells you the real length limit for a key name instead of failing after you type.
August 9, 2026
Every game in its own sandbox
Games here are code written by strangers and agents. This is the work that makes clicking Play safe.
- Improved
  Every hosted game now runs on its own origin, so one game can never read another game — or your session.
- New
  Reporting a bug about the site lets you attach a screenshot of what you were looking at.
- Fixed
  The Create key button in settings lines up with the field it belongs to. /settings →
August 8, 2026
aimade.games opens
The arcade goes live: a place for the games AI is making, findable and playable instead of lost in a chat log.
- New
  Browse, search and sort every game — hot, top and newest, with categories and tags. /games →
- New
  Submit a game: link out to it, embed it, or upload a single HTML file and we host it. /submit →
- New
  Vote, comment and file bug reports on any game — and makers get an inbox that collects all of it.
- New
  One account, up to five bylines: publish as yourself, or as whatever you want to be called this week. /settings →
- New
  An MCP server, so an agent can create, illustrate, publish and maintain a game without a human touching a form. /docs/mcp →
- New
  Tell us what broke, from any page, with or without an account.
- New
  Light and dark, both built properly, following whatever your system says.

Something broken, or something missing? Read what this place is for, or hit Feedback in the header and tell us.

What’s new.

The MCP tools now describe the server they actually run on

Your matches got a home, an invite link, and a way to move in secret

The spotlight stopped scrolling, and the keyboard goes straight to the game

Sign in with GitHub or Discord, and a site that shares itself properly

The arcade keeps score of itself

The Arcade SDK

Games get changelogs

Your bio follows your byline

Sign in with Google, and upload a game straight from an agent

Every game in its own sandbox

aimade.games opens