1. Introduction of the Game:
Dive into the diminutive world of "Whiskers & Wisdom" with this immersive Mouse Simulator that allows players to experience the enthralling life of a mouse. Crafted with attention to detail, this game offers a unique blend of adventure and survival, thrusting players into a rodent's reality where cunning and agility are as crucial as the very whiskers on their virtual snouts. Navigate through diverse environments, evade predators, gather resources, and build a secure nest to thrive in a world that's big and dangerous when you're oh so small.

2. All Characters and Levels of the Game:
Our hero, the agile and resourceful "Mighty Mouse," begins the journey in the pastoral bliss of Meadow Haven but must progress through several levels each with its own challenges: the perilous "Pipes of Peril" sewers, the hustle and bustle of "Human House Havoc", and finally the epic "Harbinger's Harvest", an expansive farm with ample opportunities and threats. Along the way, interact with a cast of characters such as "Bristle the Wise" an old mouse sage, sly "Silvertail" who's as slippery as he is smart, and the ever-vigilant "Guardiana" who takes defending the colony very seriously.

3. What Attracts Users Most to the Game:
Players are most captivated by the game's incredibly realistic simulation of life as a mouse intertwined with fantasy elements, making the minuscule appear mighty and magical. The exquisite detailing of the mouse's ecosystem, the fluid mechanics, and the heart-racing escapades from household pets provide a unique juxtaposition that is both endearing and exciting.

4. Why It Is Popular:
"Whiskers & Wisdom" has gained popularity due to its charming perspective, challenging gameplay, and the freedom it offers in approaching situations—whether through stealth, speed, or smarts. The way the game combines strategy, agility, and simulation appeals to a broad spectrum of gamers who enjoy different aspects of gameplay, all wrapped up in one delightful package.

5. When the Game Was Released and How Many Versions Are Currently Available:
The game first scurried into the hearts of players worldwide with its initial release on April 3rd, 2021. Since then, it has seen two major updates dubbed "The Urban Expansion" and "Fields of Foresight," with the latter bringing much-anticipated multiplayer capabilities, allowing friends to forage and frolic together virtually.

6. The Most Difficult Part of the Game:
The "Night of Nemeses" level is famously challenging, as players must evade nocturnal predators while navigating through near darkness, testing their spatial awareness, memory and nerve in a high-stakes game of cat and mouse - literally.

7. Strengths and Weaknesses of the Game:
Strengths of "Whiskers & Wisdom" include its deeply immersive environments, varied gameplay, and community-driven updates. However, its weaknesses lie in the sometimes steep learning curve for newcomers to simulation games and the occasional technical hiccup that can momentarily break the spell of the tiny, but mighty mouse world.

8. What Other Games Have Been Developed by the Same Developer:
The developer behind "Whiskers & Wisdom", Tiny Tail Studios, has also created a series of critter-centric simulation games such as "Squirrel's Leap" and "Burrows & Beyond," which have been warmly received for their creative gameplay and family-friendly content that entices animal lovers and simulation enthusiasts alike.