Jumputi Heroes

Jumputi Heroes (ジャンプチ ヒーローズ, jumpuchi hiiroozu, lit. "Jump Petit Heroes") is a Japanese mobile game featuring characters from Weekly Shonen Jump. Beginning in May 2018, it included characters from Death Note.

About Jumputi Heroes
Shueisha announced the development of the game in February 2018. Jumputi Heroes was released March 28, 2018 as part of Jump's 50th-anniversary celebration. It is available on both Android and iOS devices.

The game is described as:
 * Jumputi Heroes is a puzzle RPG built on Jump's main belief and principle - friendship, diligence, victory.

Game premise:
 * The game takes place on "Jumputi Island" where Shonen Jump characters live in peace until the demon king awakens and makes all the characters small (super-deformed). The player must solve puzzles to grant the characters abilities in battle.

Death Note characters
On May 29, 2018, the game announced that it would be featuring Death Note characters. On May 30, Light Yagami and Misa Amane became available in the game through standard gacha. L became available in June. Other characters later became available through gacha and special events.

List of Death Note characters in the game:

Death Note events
The game held several Death Note related events.

Special challenge events to obtain characters:

First anniversary
In March and April 2019, Jumputi Heroes celebrated its first anniversary. As part of the celebration, Ryuk became available in a special "Shinigami can only eat apples" challenge event that began on April 12, 2019.

Ryuk's availability was announced on Twitter on April 4, 2019:

Ryuk was again made available later that year, when the "Shinigami can only eat apples" challenge event reopened on December 27, 2019.

Second anniversary
In March and April 2020, Jumputi Heroes celebrated its two-year anniversary. The anniversary celebration had two parts.

On April 8, 2020, Jumputi Heroes released part 2 of its anniversary celebration, which focused on the series' Hunter x Hunter and Death Note. This included the "God of the New World" challenge event, where players could obtain "Law and order of the world Light Yagami" by defeating him in battle. Near became available through gacha, and Mello and "cuttings of the notebook" became available in the "Masterpiece of Wammy's House" challenge event. The "cuttings from the note book" acquired from Mello's challenge were needed for the "God of the New World" challenge.

Part 2 premise announced on Twitter: