Can you download US PS3 game to an Japanese PS3?

No, you cannot directly download US PS3 games to a Japanese PS3.

Here's why:

* Region Locking: PS3 games are region-locked. This means games purchased in one region (e.g., North America) are designed to work only on consoles from that region.

* Account Restrictions: Your PSN account is tied to your region. If your account is registered in the US, you can only download games from the US PlayStation Store.

* Firmware Differences: Japanese PS3s might have different firmware versions than US PS3s. This could further prevent compatibility.

Workarounds (with caveats):

* Import physical copies: You can import a physical copy of a US PS3 game, but there's no guarantee it will work. Some games might have region-specific content or language limitations.

* Region-free PS3s: Some modded PS3s are region-free, allowing you to play games from any region. However, modding your console voids your warranty and can be risky.

Recommendation:

* Purchase games from the appropriate region: The best way to ensure compatibility is to buy games from the PlayStation Store associated with your console's region.

Please remember: Using workarounds to play region-locked games may violate terms of service and could lead to account issues.