Choosing the “top” anime is subjective, as preferences vary widely. However, here are 21 highly acclaimed and popular anime series across different genres that are likely to captivate you, keeping in mind that availability may vary by region:

Action & Adventure:

1. Attack on Titan (Shingeki no Kyojin): Gripping story of humanity fighting giant humanoid creatures.

2. Demon Slayer (Kimetsu no Yaiba): Stunning animation and a compelling story of a young boy seeking revenge.

3. My Hero Academia (Boku no Hero Academia): Superhero-themed anime with relatable characters and action-packed scenes.

4. Fullmetal Alchemist: Brotherhood: A classic anime with a well-developed story, great characters, and impressive animation.

5. Hunter x Hunter: An epic adventure with a fascinating world and compelling characters.

Sci-Fi & Fantasy:

6. Cowboy Bebop: A stylish space western with memorable characters and a jazzy soundtrack.

7. Death Note: A psychological thriller involving a high school student with a supernatural notebook.

8. Steins;Gate: A time-travel story with complex characters and plot twists.

9. Made in Abyss: A dark fantasy anime with stunning visuals and a captivating story, but be warned, it is quite dark.

Romance & Drama:

10. Your Lie in April (Shigatsu wa Kimi no Uso): A moving story about a young pianist and his journey through loss and healing.

11. Clannad: A tearjerker of an anime focusing on a high schooler and relationships.

12. Fruits Basket: A heartwarming story involving cursed members of the zodiac.

Comedy:

13. Kaguya-sama: Love is War: A hilarious romantic comedy about two geniuses trying to make each other confess their feelings.

14. Konosuba: A comedy anime that parodies classic RPG tropes.

Unique & Thought-Provoking:

15. Mob Psycho 100: A superhero anime with a focus on emotional growth and self-discovery.

16. Erased (Boku Dake ga Inai Machi): A mystery anime that explores themes of time travel and regret.

Other Notable Mentions:

17. Dragon Ball Z: A classic action anime that is immensely popular and well-known.

18. Naruto: A ninja anime with a long-running story and many characters.

19. One Piece: Another long-running anime with an interesting plot.

20. Attack on Titan: The Final Season: The newest and final season.

21. Jujutsu Kaisen: A unique and visually striking anime.

This list offers a diverse range of genres and styles. Research trailers and read reviews before diving in to find anime that match your personal preferences. Happy watching!