PewDiePie's Tuber Simulator is a mobile simulation game that allows players to emulate internet stardom by becoming a virtual YouTube influencer, crafted under the creative direction of Felix Kjellberg, the real-life YouTube sensation known as PewDiePie. Developed by Outerminds Inc. and released in 2016, this charming and humorous game lets you create videos, gain views and subscribers, and build your very own virtual empire of fandom while guided by the voice of PewDiePie himself.

All Characters and Levels in the Game
In PewDiePie's Tuber Simulator, players start out as an amateur content creator and work their way up to becoming a renowned Tuber. The game features a character called PewDiePie who acts as a mentor, and throughout the journey, players can unlock various items and level up. Each level up grants access to new furniture, equipment, and clothing, enhancing the customization and expansion of the player's studio. While the game does not have a character list to unlock in the traditional sense, players can collect various pets and interact with a handful of recurring characters that assist with in-game events and functions.

What Attracts Users Most to the Game
Users are most attracted to PewDiePie's Tuber Simulator because of its engaging content-creation simulation mechanics, the involvement of PewDiePie which adds a genuine celebrity touch, and its humorous and satirical take on internet culture. The ability to create and decorate virtual setups, connect with friends, compete in survival-themed events, and strive for high scores on leaderboards also adds to the appeal. Furthermore, the game provides a non-serious approach to understanding the YouTube content creation process, making it an educational yet fun experience.

Why It's Popular
PewDiePie's Tuber Simulator gained popularity due to PewDiePie's massive fan base and the unique angle on simulating the life of a YouTuber. The fact that PewDiePie provides the voiceover adds an authentic feel. Also, its casual gameplay loop is addictive and suited for brief or long sessions, appealing to a wide audience. Moreover, the game's frequent updates and the constant addition of new events keep the content fresh and players coming back for more.

Release and Versions Available
The game was initially released on September 29, 2016. At the time of the knowledge cutoff in 2023, PewDiePie's Tuber Simulator has continued to see updates, adding new content and game modes on the same initial version. However, it has undergone numerous seasonal updates and iterations, improving gameplay, introducing new challenges, and keeping the community engaged.

The Most Difficult Part of the Game
The most challenging aspect of PewDiePie's Tuber Simulator for many players is maintaining momentum and maximizing the growth of their channel within the competitive environment of the game. Keeping up with the trends, managing resources, and strategizing content to become a top Tuber can be as challenging as it is engaging, especially during timed events.

Strengths and Weaknesses of the Game
Strengths of the game include its charming pixel art style, addictive and progressive gameplay, regular updates, and the genuine voice work by PewDiePie himself. On the flip side, some players may find progression without in-app purchases to be slow. The need to wait real-time for videos to generate views and subs can be a test of patience and may encourage pay-to-win strategies.

Other Games by the Developer
Outerminds Inc., the developer behind PewDiePie's Tuber Simulator, has collaborated with PewDiePie on other projects as well, such as PewDiePie: Legend of the Brofist, a 2D action-adventure platform game, and Pixelings, a creature-collecting strategy RPG game. Outerminds has demonstrated a knack for creating engaging experiences across different genres, often featuring retro-inspired graphics and innovative gameplay.