Early in its history, the company enjoyed a close relationship with Sony Computer Entertainment, with many of its games then funded by and produced in conjunction with them.

The company is known for their Dark Cloud, Professor Layton, Inazuma Eleven, Ni no Kuni, Yo-kai Watch, and Snack World franchises.

[3] Level-5's first full-scale production was the action role-playing game Dark Cloud, developed under contract by Sony Computer Entertainment.

[4] Yasumi Matsuno, director of Vagrant Story, Final Fantasy Tactics, and the Ogre Battle series, briefly joined Level-5 in June 2011,[5] and left the company after completing work on Crimson Shroud for the Nintendo 3DS.

The platform debuted with six games: Sloan and McHale's Mystery Story, Professor Layton and the Mansion of the Mirror of Death Remix, Chara Jo P, Yuuenchi wo Tsukurō Revolution, Treasure Island, and Elf the Dragon.