Do You Need a Hard Drive for Call of Duty: World at War on Xbox 360?

No. Call of Duty: World at War runs entirely from disc. No installation required. Play Campaign, Multiplayer, Zombies on base Xbox 360 (4 GB internal / Arcade / Core) with zero extra storage.

But a Hard Drive (or USB) Makes It Much Better

• Install to HDD/USB: Game Details → Install to Hard Drive (6.8 GB). Benefits:
  • Silent disc drive (no jet-engine noise)
  • Faster texture streaming — less pop-in, smoother Zombies rounds
  • Disc wear eliminated
• DLC / Map Packs: 3 map packs (2.5 GB total) require storage. Internal 4 GB fills fast. USB 2.0 (16 GB max supported) or HDD needed.
• Theater Mode / Film Clips: Save recordings — needs space
• Title Updates / Patches: Cached to storage

What Works

• Official Xbox 360 HDD (20/60/120/250/320/500 GB): Plugs into side (Slim/E) or top (Phat). Best compatibility.
• USB Flash Drive (1–16 GB, FAT32): Configure via Settings → Storage → Configure Now. Cheap, portable. Must be ≥4 GB for DLC.
• Internal 4 GB (Slim/E): Works for saves/updates only. Too small for install + DLC.

Recommendation: Grab a 16 GB USB 3.0 stick ($5), configure it, install the game. Night-and-day difference in Zombies. If you play many 360 games, buy a used 250/320 GB HDD ($25–40).