---
title: Melty FAQ | Melty
description: Standalone FAQ URLs for the questions on the Melty landing, plus extra search queries such as 'is Melty a virus' and 'does Melty replace CurseForge'.
canonical: https://melty.casa/faq
updated: 2026-10-12
---

# Answers about price, safety, owned games, and AI

Standalone FAQ URLs for the questions on the Melty landing, plus extra search queries such as 'is Melty a virus' and 'does Melty replace CurseForge'.

## Facts (2026-10-12)

- **Product:** Melty desktop app
- **Price:** Free
- **Platform:** Windows
- **Publisher:** Stella Montis Inc.
- **Requires owned games:** Yes. Missing titles open their store.
- **Last reviewed:** 2026-10-12
- **Page type:** Hub

## What this hub is

Standalone FAQ URLs for the questions on the Melty landing, plus extra search queries such as 'is Melty a virus' and 'does Melty replace CurseForge'.

Melty is a free Windows desktop app from Stella Montis Inc., backed by Y Combinator. The public landing still shows Download, How it works, and FAQ only. This hub exists so search engines and AI crawlers can open a clean HTML/Markdown URL for the topic.

Mashups run on games you own. Play downloads the mashup, installs what it needs, and starts the game. Uninstalling puts every file back. Multiplayer mashups get an invite link. You can publish your own mashup by pasting Melty instructions into Claude Code or Codex.

## How to use Melty after you read this

Download the Windows app, press Play on a mashup, and keep or share the lobby link if the mashup is multiplayer. If a required game is missing, Melty opens that game's store instead of pirating a copy.

## Pages in this section

- [What is Melty?](/faq/what-is-melty) — Melty is a free Windows desktop app for mashups and mods on games you already own. Press Play and it installs what it needs and starts the game. Backed by Y Combinator. Made by Stella Montis Inc.

- [What is a mashup?](/faq/what-is-a-mashup) — A mod that joins games into one. In SkyCraft, you play Skyrim as a Minecraft player.

- [Do I need the games?](/faq/do-i-need-the-games) — Yes. Mashups run on games you own. If you are missing one, Melty sends you to its store.

- [What does Play do?](/faq/what-does-play-do) — It downloads the mashup, installs what it needs and starts the game. Uninstalling puts every file back as it was.

- [Can I play with friends?](/faq/can-i-play-with-friends) — Yes, on multiplayer mashups. Press Play to get an invite link, then keep it private, share it with friends, or go public.

- [Can I make my own mashup?](/faq/can-i-make-my-own) — Yes. Copy Melty’s instructions into Claude Code or Codex and say what you want. Your agent builds it and publishes it.

- [Is Melty safe?](/faq/is-melty-safe) — Every upload is checked for dangerous files. If a mashup looks wrong, report it from its page.

- [Is Melty free?](/faq/is-melty-free) — Nothing. Melty and its mashups are free. Base games are still bought from their stores.

- [What games does Melty support?](/faq/what-games-does-melty-support) — Any game in your library that a mashup lists. The landing shows Minecraft, Elden Ring, Skyrim SE, Mario 64, Skate 3, MW2, Portal, Half-Life 2, Halo MCC, and more cover art.

- [Does Melty work on Windows?](/faq/does-melty-work-on-windows) — Yes. The public download is marked free for Windows. There is no Mac/Linux button on the landing.

- [Does Melty need Steam?](/faq/does-melty-need-steam) — Only when the mashup's host game is a Steam install. Minecraft and other launchers work the same way: own the copy, then Play.

- [Can Melty get me banned?](/faq/can-melty-get-me-banned) — Melty starts mashups on owned local copies. Online anti-cheat games can still punish unofficial files. Prefer offline or mashup-ready titles and uninstall to restore files.

- [How do I uninstall a mashup?](/faq/how-do-i-uninstall) — Uninstall from Melty. The product claim is that every file goes back as it was.

- [Where do I download Melty?](/faq/where-to-download-melty) — Use /download on this host. That is the Windows download the landing buttons already use.

- [Is Melty a virus?](/faq/is-melty-a-virus) — Melty is a YC-backed desktop launcher from Stella Montis Inc. Uploads are scanned for dangerous files. If a specific mashup looks wrong, report it and uninstall.

- [Does Melty replace CurseForge?](/faq/does-melty-replace-curseforge) — No. CurseForge indexes per-game addons. Melty plays two-game mashups with a lobby link. You can keep both.

- [Can I use Claude to make mods?](/faq/can-i-use-claude-to-make-mods) — Yes. The FAQ names Claude Code (and Codex). Paste Melty's instructions and describe the mashup.

- [Who makes Melty?](/faq/who-makes-melty) — Stella Montis Inc. The footer reads © 2026 Stella Montis Inc. The intro shows backing by Y Combinator.

- [What is an AI merge game?](/faq/what-is-an-ai-merge-game) — In this niche it means a mashup of two owned PC games, not a tile-merge puzzle. Melty starts those mashups with Play.

- [Are AI merge games real?](/faq/are-ai-merge-games-real) — Yes, when they are a package on games you own — SkyCraft, Super Mario Ring, Elden Craft. Some viral clips never shipped.

- [Is Melty a merge puzzle?](/faq/is-melty-a-merge-puzzle) — No. Melty is a Windows mashup launcher. It does not stack tiles like Merge-2 or 2048.

- [Can I play Melty mashups in the browser?](/faq/can-i-play-mashups-in-the-browser) — No. The public download is a Windows app. Browser mashup toys do not start your Steam copies.

- [Is SIGF the same as Melty?](/faq/is-sigf-the-same-as-melty) — Same job, different apps. SIGF is another desktop mashup launcher. Melty is the YC Windows download on this host.

- [Are viral mashup clips playable?](/faq/are-viral-mashup-clips-playable) — Some are — they match named Melty mashups. Others stay video-only. You still need both owned games.

## FAQ

### What is a mashup?

A mod that joins games into one. In SkyCraft, you play Skyrim as a Minecraft player.

### Do I need the games?

Yes. Mashups run on games you own. If you are missing one, Melty sends you to its store.

### What does Play do?

It downloads the mashup, installs what it needs, and starts the game. Uninstalling puts every file back as it was.

### Can I play with friends?

Yes, on multiplayer mashups. Press Play to get an invite link, then keep it private, share it, or go public.

## Related

- [What is Melty?](https://melty.casa/faq/what-is-melty)
- [What is a mashup?](https://melty.casa/faq/what-is-a-mashup)
- [Do I need the games?](https://melty.casa/faq/do-i-need-the-games)
- [What does Play do?](https://melty.casa/faq/what-does-play-do)
- [Can I play with friends?](https://melty.casa/faq/can-i-play-with-friends)
- [Can I make my own mashup?](https://melty.casa/faq/can-i-make-my-own)
- [Is Melty safe?](https://melty.casa/faq/is-melty-safe)
- [Is Melty free?](https://melty.casa/faq/is-melty-free)
- [What games does Melty support?](https://melty.casa/faq/what-games-does-melty-support)
- [Does Melty work on Windows?](https://melty.casa/faq/does-melty-work-on-windows)
- [Does Melty need Steam?](https://melty.casa/faq/does-melty-need-steam)
- [Can Melty get me banned?](https://melty.casa/faq/can-melty-get-me-banned)

## Download

Free Windows app: [Download Melty](https://melty.casa/download)

Markdown mirror: https://melty.casa/faq.md
