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Melty: how the free game mashup launcher works and what it needs

Melty is a free Windows app that installs mashups, mods that join two games you already own, such as Skyrim plus Minecraft. Creators use Claude Code or Codex to build them. Per Melty's FAQ it is made by Stella Montis Inc. This page lists what is documented, the caveats outlets raise and the claims we could not verify.

Quick facts

Made by

Stella Montis Inc.

Melty's FAQ names Stella Montis Inc., described as Y Combinator-backed. TAU Home names David Miller as lead. We could not verify the Y Combinator batch.

Price

Free

Melty's FAQ calls it a free Windows desktop app for mashups and mods on games you already own.

Launch

About October 4, 2026

TAU Home dates the launch to October 4, 2026, and DevelopersDigest covered it on October 8. The date comes from one secondary source.

Needs

Games you own

TAU Home says ownership of the base games is verified through your Steam library, and Melty hosts no standalone games.

How the game works (as reported)

Facts restate Melty's FAQ, its GitHub organization and two articles. Tamedex has not tried this, so there are no tested tips here. The melty.gg site timed out when we checked.

  • What a mashup is

    Mods that join two games you already own into one experience. Uninstalling, per the FAQ, puts every file back as it was.

  • Launch mashups

    Names listed at launch include SkyCraft (Skyrim and Minecraft), Elden Craft (Minecraft and Elden Ring), Super Mario Ring, Skate Warfare (Skate 3 and MW2), Portal Life and Spartan Warfare.

  • How creators build them

    DevelopersDigest says creators give Melty's instructions to Claude Code or Codex, describe the mashup and publish the result.

  • Multiplayer

    The Melty-gg GitHub says multiplayer works through invite links, with private, friends and public options.

  • Caveats outlets raise

    DevelopersDigest notes it is Windows only, that third-party code modifies your game installs, that Melty says uploads are scanned but this is unaudited, and that asset rights are unclear. TAU Home notes community doubt about whether viral demos are true integrated mechanics or overlays.

Timeline

  1. Launch (secondary source)

    TAU Home dates the launch to October 4, 2026.

  2. DevelopersDigest article

    DevelopersDigest explains how mashups are built with Claude Code.

Melty FAQ

What is Melty?

A free Windows app that installs mashups joining two games you own, per its FAQ.

Can Melty merge two games into one?

It installs mods that combine two games you own. Whether demos are deep integrations or overlays is disputed in the community, per TAU Home.

Is Melty free?

Yes, per its FAQ.

Do I need to own both games?

Yes. TAU Home says ownership is verified through your Steam library.

Is it safe to install mashups?

DevelopersDigest warns third-party code modifies game installs and that scanning is unaudited. We have not tested it.

Does it work with Claude Code?

DevelopersDigest says creators use Claude Code or Codex to build mashups. Players just install them.

What Tamedex has not tested

Tamedex has not played Melty. This page reports what the linked coverage says and will be updated as the game changes.

Sources and method

See our methodology and IP policy.

Tamedex is an unofficial fan site. It is not affiliated with, endorsed by or sponsored by the developer of Melty. Game names are used only to identify the game covered.