Dare to embrace the shadows and step into a world of mystique and power in "Necromancer Story," an enthralling role-playing game (RPG) that weaves a captivating tale of dark arts and undead minions. As the wielder of necromantic magic, you are thrust into a realm where the line between life and death blurs, and your command over the departed will either be your greatest ally or your ultimate downfall.

All characters and levels of the game:
Players assume the role of Aethelred, the master necromancer, whose quest is to unravel the secrets of eternal life. Alongside him are vital allies: Lysandra, the spirit whisperer; Gord, the hulking grave golem; and Elric, the rogue alchemist. Together, they traverse five somber and challenging levels: the Forsaken Cemetery, the Crypt of Silence, the Ebon Fortress, the Desolate Marshlands, and the climax at the Lich King's Sanctum, where morbid terrors and fierce enemies await.

What attracts users most to the game:
Gamers are enthralled by "Necromancer Story" for its intricate spell-crafting system, allowing immense customization of undead minions that can be conjured into battle. Immersive storytelling, with choices that sway the narrative and the outcome of your dark journey, also keeps players engaged from beginning to end.

Why it is popular:
Its popularity stems from a seamless blend of classic RPG elements with a fresh take on necromancy. The stunning gothic art style, haunting soundtrack, and substantial strategic depth resonate with both casual and hardcore gamers, crafting an irresistible allure that is hard to dismiss.

When the game was released and how many versions are currently available:
"Necromancer Story" was released on October 31st, embracing the spirit of Halloween. It has since captivated players with two major updates, currently standing with Version 1.2 that introduced the multiplayer "Crypt Raids" and "Necro Wars" PvP arena.

The most difficult part of the game:
The Lich King's Sanctum is notoriously the most grueling part of "Necromancer Story." Here, players must employ their most strategic thinking, as they not only face the most powerful enemies but also make pivotal decisions that determine their ultimate fate.

Strengths and weaknesses of the game:
The game's strengths are its deep lore, character progression system, and interactive environments that respond to players' necromantic powers. Weaknesses include a steep learning curve for the spell-crafting mechanic and occasional pacing issues between levels, where the narrative can slow down, potentially affecting player immersion.

What other games have been developed by the same developer:
The same developer, Dark Covenant Games, is known for their gripping fantasy series "Sorcerer's Odyssey." They have also achieved critical acclaim with the tactical space opera "Star Commanders" and the dystopian survival game "Wasteland Reclaimers." All games showcase the developer's penchant for complex world-building and innovative gameplay mechanics.