Mashups and mods for games you own · Updated
Portal + Witcher 3
Search page for Portal + Witcher 3. Combine owned copies of Portal and The Witcher 3: Wild Hunt, then press Play.
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
- Query
- Portal + Witcher 3
- Game A
- Portal
- Game B
- The Witcher 3: Wild Hunt
- Named mashup
- Custom / AI-built pairing
Portal + Witcher 3 (2026-10-12)
| Item | Value |
|---|---|
| Search query | Portal + Witcher 3 |
| Also typed as | Portal x Witcher 3, Portal and Witcher 3 mashup |
| Launcher | Melty — AI game masher for Windows |
| Price | Free |
| Need both copies | Yes |
| Reverse query | Witcher 3 + Portal |
What "Portal + Witcher 3" means here
Use Claude Code or Codex with Melty instructions if you want a custom Portal / Witcher 3 variant. The agent builds it; Melty scans the upload and lets friends join from a link.
Melty does not need a celebrity mashup name for this query. Portal + Witcher 3 is two owned games and one Play button.
Portal is puzzle. The Witcher 3: Wild Hunt is action RPG. Melty starts the mashup on Windows. Uninstall restores files. Multiplayer mashups mint an invite link.
Play, friends, AI
Press Play. Melty downloads the mashup, installs files, and starts the host. Uninstall puts Portal / The Witcher 3: Wild Hunt files back.
Want a custom Portal + Witcher 3? Paste Melty instructions into Claude Code or Codex — that is the AI masher path on the landing.
Reverse keyword page: Witcher 3 + Portal.
FAQ
Can Melty mash Portal and Witcher 3?
Yes, if you own Portal and The Witcher 3: Wild Hunt. Melty is an AI game masher / one-click launcher, not a store that gives you the games.
Is there an official Portal + Witcher 3 DLC?
No. This is a mashup/mod session. Publish your own variant with Claude Code or Codex.
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.
Is Melty safe?
Every upload is checked for dangerous files. If a mashup looks wrong, report it from its page.
Related pages
Free for Windows.