**1. Introduction of Looney Tunes World of Mayhem**
Looney Tunes World of Mayhem is an action-packed mobile game that invites players into the chaotic and hilariously entertaining world of Looney Tunes characters. Developed by Scopely, this RPG (Role Playing Game) allows players to collect their favorite characters, build personalized Toon teams, and engage in zany battles in a vibrant, cartoon universe that faithfully captures the spirit of the classic animated series.

**2. All Characters and Levels of the Game**

Featuring an eclectic mix of over 70 characters from the beloved Looney Tunes franchise, the game includes iconic figures such as Bugs Bunny, Daffy Duck, Elmer Fudd, Tweety, and many more, each with their unique abilities and quirky animations. As players progress, they unlock various levels and worlds, like the Forest, Desert, Town, and Space, each offering distinct challenges and opportunities to advance their toons' abilities and strength.

**3. What Attracts Users Most to the Game**

The game's rich nostalgia factor, coupled with its engaging strategy gameplay, attracts both seasoned gamers and fans of the Looney Tunes legacy. Its clever incorporation of the classic slapstick humor, along with the ability to strategize and power up a variety of beloved characters, keeps players engaged and entertained.

**4. Why It Is Popular**

Looney Tunes World of Mayhem has garnered popularity due to its successful blend of the timeless appeal of Looney Tunes characters, interactive multiplayer features, and the depth of RPG elements. Its accessibility to casual players and the strategic complexity for hardcore gamers make it widely enjoyed by a diverse audience.

**5. When the Game Was Released and How Many Versions Are Currently Available**

The game was officially released in December 2018. While there is one primary version of the game, it receives regular updates and seasonal events, which continue to add new characters, features, and levels to keep the gameplay fresh and engaging.

**6. The Most Difficult Part of the Game**

Advanced levels and high-stakes player-versus-player (PvP) battles are among the most challenging aspects of the game. Players must carefully manage their toon rosters, optimize team synergies, and strategically utilize each character's skills to dominate the competition and overcome the more arduous stages.

**7. Strengths and Weaknesses of the Game**

Strengths of Looney Tunes World of Mayhem include its loyal representation of the source material, frequent updates, and a vast array of characters and abilities that offer in-depth strategy. However, weaknesses might include the potential grind to obtain specific characters, which can lead to a perceived uneven playing field due to in-app purchases and the typical challenges associated with balancing a freemium economic model.

**8. What Other Games Have Been Developed by the Same Developer**

Scopely, the developer behind Looney Tunes World of Mayhem, is known for other successful mobile games, including "Star Trek Fleet Command," "The Walking Dead: Road to Survival," and "WWE Champions." These games, like Looney Tunes World of Mayhem, feature a mix of collection and strategy gameplay that appeals to fans of the respective franchises and wider gaming communities.