Skip to content

Devices Mods Requests Defend Submit

Modder

FM1337

Builds mods for Nintendo 3DS owners.

FM1337 on GitHub

Is this you? Sign in with GitHub

In short

Their mod has 3.1K stars on GitHub.

Built

CheckpointBack up and restore your console's game saves

Open software for closed hardware.

3,722

mods for 4,106 devices

co.build

Devices Feed About Contact

Build

Requests Defend the mods Submit a project API

Legal

Terms of Use Privacy Policy

co.build lists third-party projects and provides its own descriptions and setup prompts. Review instructions before running them: device changes can cause damage, data loss or security problems. Independent repair does not automatically remove statutory warranty rights, but damage caused by a modification may be excluded where law permits. Check the project, permissions and local law. Device names and logos belong to their owners; a listing does not imply their endorsement.

© 2026 Just Cobuild, Co.

Devices Mods Requests Defend Submit

Modder

FM1337

Builds mods for Nintendo 3DS owners.

FM1337 on GitHub

Is this you? Sign in with GitHub

In short

Their mod has 3.1K stars on GitHub.

Built

CheckpointBack up and restore your console's game saves