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Mashups and mods for games you own · Updated

Portal on Melty

Melty starts mashups that use an owned copy of Portal. Portal gun puzzles; featured in Portal Life with Half-Life 2.

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Free for Windows.

Facts

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
Game
Portal
Genre
puzzle
Where Melty expects the copy
Steam app 400

How Melty uses Portal

Portal gun puzzles; featured in Portal Life with Half-Life 2.

Portal is a puzzle title. Melty is not a storefront for it. The app looks for a copy you already own, then installs mashup files and starts the game when you press Play.

Mashup URLs that mention Portal include Portal Life, Hollow Knight + Portal, Portal + Minecraft, Outer Wilds + Portal, Mario 64 + Portal.

Setup, safety, friends

Play downloads the mashup, installs what it needs, and launches. Uninstall restores the files Melty touched.

Multiplayer mashups mint an invite link. Uploads are checked for dangerous files.

FAQ

Does Melty include Portal?

No. You need your own copy. Melty opens the store if Portal is missing.

Can I mash Portal with another game I own?

Yes. Melty's product line is "combine any game in your library and play with your friends."

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.

Related pages

Download Melty

Free for Windows.