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Nintendo 3DS Local Multiplayer: Complete Setup Guide, Game List & Troubleshooting

You cannot generically "link" two 3DS systems. Local multiplayer requires a specific game that supports it — there's no system-level lobby. Here's everything you need to connect, play, and troubleshoot.

Requirements

Two 3DS/2DS/3DS XL/New 3DS systems (any model mix works).
Two copies of the same game (physical cartridge or digital) that explicitly supports Local Play.
Both systems on the same firmware region (JPN, USA, EUR) — 3DS is region-locked.

Typical Connection Flow

Launch the game on both systems.
Select Local Play / Local Wireless / Multiplayer → Local.
One player chooses Create Room / Host.
Other player chooses Search / Join.
Confirm connection → Start game.

No internet or Wi-Fi router needed. Uses the 3DS's own 2.4 GHz ad-hoc radio (IEEE 802.11 variant). Range: ~10–15 meters (30–50 feet).

Games With Notable Local Multiplayer

Game	Players	Download Play (1 Cart)	Notes
Mario Kart 7	2–8	✅ Yes	Full race mode via Download Play
Super Smash Bros. for 3DS	2–4	✅ Yes	Limited stages/characters for guest
Pokémon X/Y/OR/AS/SM/USUM	2	❌ No	Battle/Trade only
Monster Hunter 4U / Generations / GU	4	❌ No	Full co-op hunts
Luigi's Mansion: Dark Moon	2–4	✅ Yes	ScareScraper mode
Animal Crossing: New Leaf	2–4	❌ No	Visit towns, island tours
Kid Icarus: Uprising	2–6	❌ No	Light vs Dark 3v3, Free-for-all
Mario Party: Island Tour / Star Rush	2–4	✅ Yes	Full board game via Download Play
Metroid Prime: Federation Force	4	❌ No	Co-op missions
Dragon Quest VII/VIII	2	❌ No	Local co-op exploration

Download Play (Single Cartridge)

Many games let Player 2 download a temporary client from Player 1's cartridge. Look for "Download Play" on the HOME menu (orange icon) or in-game multiplayer menu. The download saves to RAM only — lost on power off. Guest player usually gets limited content (fewer characters, stages, items).

StreetPass ≠ Local Multiplayer

StreetPass is passive background data exchange (Mii Plaza, game gifts, puzzle pieces). It is not real-time gameplay and does not require both players to be active simultaneously.

Troubleshooting Checklist

Disable Parental Controls → Restrict Local Wireless.
Keep systems close, no metal barriers between them.
Update both games to latest version (eShop → Updates).
If digital: both systems must own separate licenses (same NNID cannot play local simultaneously on two systems).
Restart both systems if connection fails repeatedly.
Remove any game cards not being used — some titles conflict.

Region Locking Reminder

A USA game cartridge will not work on a EUR/JPN console, and vice versa. For cross-region local play, both players need same-region carts (or CFW with region-free patches).

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