---
title: Spartan Warfare — Halo: The Master Chief Collection + Call of Duty: Modern Warfare 2 mashup | Melty
description: Spartan Warfare is a Melty game mashup of Halo: The Master Chief Collection and Call of Duty: Modern Warfare 2. Halo: The Master Chief Collection plus Modern Warfare 2 in one mashup. Free on Windows. You must own both games.
canonical: https://melty.casa/mashups/spartan-warfare
updated: 2026-10-12
---

# Spartan Warfare: Halo: The Master Chief Collection + Call of Duty: Modern Warfare 2

Spartan Warfare joins Halo: The Master Chief Collection and Call of Duty: Modern Warfare 2. Halo: The Master Chief Collection plus Modern Warfare 2 in one mashup.

## 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
- **Mashup:** Spartan Warfare
- **Game A:** Halo: The Master Chief Collection
- **Game B:** Call of Duty: Modern Warfare 2
- **On Melty landing:** Yes, shown in Discover

## Spartan Warfare facts (2026-10-12)

| Item | Value |
| --- | --- |
| Name | Spartan Warfare |
| Joined games | Halo: The Master Chief Collection + Call of Duty: Modern Warfare 2 |
| Launcher | Melty for Windows |
| Price | Free |
| Owned copies required | Yes |
| Play | Downloads mashup, installs, starts host game |
| Uninstall | Restores the game files Melty changed |
| Multiplayer | Invite link on multiplayer mashups |

## Spartan Warfare on Melty

Spartan Warfare is one of the mashups Melty shows on the public landing under Discover. Halo: The Master Chief Collection plus Modern Warfare 2 in one mashup.

Spartans in Spartan Warfare, mashed with Modern Warfare 2. Used in Skate Warfare and Spartan Warfare. Melty starts the game after installing the mashup.

Melty does not give you Halo: The Master Chief Collection or Call of Duty: Modern Warfare 2. If a copy is missing, the app opens that game's store. There is no charge for Melty or for the mashup itself.

## What Play does for this mashup

Press Play. Melty downloads Spartan Warfare, installs the files the mashup needs, and starts the host game. That is the whole setup path — no separate Vortex profile, no hand-copied folder.

When you uninstall the mashup, Melty puts every file back as it was. Report a mashup from its page if an upload looks wrong; every upload is checked for dangerous files.

## Friends and publishing

If the mashup is multiplayer, Play also gives you an invite link. Keep it private, send it to friends, or open a public lobby.

To make a variant, copy Melty's instructions into Claude Code or Codex and describe how you want Halo: The Master Chief Collection and Call of Duty: Modern Warfare 2 to meet. The coding agent builds the mashup and publishes it.

## FAQ

### What is Spartan Warfare?

Spartan Warfare is a Melty mashup that joins Halo: The Master Chief Collection and Call of Duty: Modern Warfare 2 into one Play action. Halo: The Master Chief Collection plus Modern Warfare 2 in one mashup.

### Do I need Halo: The Master Chief Collection and Call of Duty: Modern Warfare 2?

Yes. Mashups run on games you own. If either title is missing, Melty sends you to its store.

### Is Spartan Warfare official DLC?

No. It is a mashup/mod launched from Melty, not a publisher DLC pack.

### 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

- [Halo: The Master Chief Collection on Melty](https://melty.casa/games/halo-mcc)
- [Call of Duty: Modern Warfare 2 on Melty](https://melty.casa/games/mw2)
- [Game mashups you can play in one click](https://melty.casa/mashups)
- [SkyCraft: The Elder Scrolls V: Skyrim Special Edition + Minecraft](https://melty.casa/mashups/skycraft)
- [Elden Craft: Minecraft + Elden Ring](https://melty.casa/mashups/elden-craft)
- [Super Mario Ring: Super Mario 64 + Elden Ring](https://melty.casa/mashups/super-mario-ring)
- [Skate Warfare: Skate 3 + Call of Duty: Modern Warfare 2](https://melty.casa/mashups/skate-warfare)

## Download

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

Markdown mirror: https://melty.casa/mashups/spartan-warfare.md