Assassin's Creed: The Rebel Collection is a compilation for the Nintendo Switch that includes two full games— and Assassin's Creed Rogue —along with all their single-player DLC. Essential Technical Overview
If you have the SD card space, the is arguably the most convenient way to experience these games. The ability to instantly switch between Black Flag and Rogue, combined with the handheld gyro controls and touchscreen support, makes it a superior experience to the physical cartridge version (which requires a download anyway).