Bullet Hell Monday Black is a vertical scrolling danmaku 2D shooting game available on Android platform. It is a high remix version of the previous game, Bullet Hell Monday, which was already a classic in the genre. The game is an intense experience, with overwhelming bullet barrages that players must dodge using special weapons. The difficulty level is very high, making it a challenge for even the most experienced players.

The game features two weapons and six special weapons, with four difficulty settings, including the relatively easy Original mode. The game also offers replay functionality and a leaderboard for all stages on all difficulties, as well as cloud saving. The game is available in English and Japanese, and requires 2GB or more of RAM to run smoothly.

Players can play Stage 1 for free, but must pay to access Stage 2 and beyond. Overall, Bullet Hell Monday Black is a must-play for fans of the danmaku genre, and even beginners can start with the Original mode or the previous game to get a feel for the gameplay.