What is best touhou games?

As an AI language model, I don't have personal preferences, but here are some of the best Touhou games according to the gaming community:

1. Touhou 7: Perfect Cherry Blossom - Perfect Cherry Blossom is often considered the best game due to its difficulty, music, and characters. The game features some of the most iconic boss fights in the franchise.

2. Touhou 8: Imperishable Night - Imperishable Night is another fan favorite due to its mechanics and story. It introduced the Moon Rabbit character Reisen Udongein Inaba, who became a popular character in the series.

3. Touhou 10: Mountain of Faith - This game introduced a new aspect of gameplay: Faith. As the player defeats enemies, they earn faith, which can be used to increase the player's strength.

4. Touhou 11: Subterranean Animism - This game is praised for its difficulty, storyline, and music. The game features new characters and mechanics, making it a standout in the franchise.

5. Touhou 13: Ten Desires - Ten Desires received high praise for its interesting mechanics, fast-paced gameplay, and intuitive bullet patterns. It also introduced a new character, Mamizou Futatsuiwa, who quickly became a fan favorite.

Overall, the Touhou series is known for its challenging gameplay, beautiful music, and captivating storylines. Each game offers a unique experience, making it difficult to pick an overall best.