In the Big Bang Beat: 1st Impression project, the player will be able to fight with many enemies in arenas. It belongs to the fighting genre, and is a fan game released based on an erotic visual novel. The action takes place in the near future. Due to a cataclysm that caused a breach in part of the Japanese archipelago, normal existence ended, and people with superpowers generated by mysterious crystals began to spread throughout the world.In the era of violence and fear that Japan entered after the disaster, you can survive and ensure your safety only by being able to fight. Battles in Big Bang Beat: 1st Impression take place between various heroes of the original project, of which there are 10 playable and 2 unplayable bosses. 5 more characters can be unlocked by completing a secret sequence of actions. A distinctive feature is the presence of several different mechanics. For example, strong attacking actions and super moves that deplete a special gauge.The following game modes are available:
- Story mode - going through a sequence of battles with pre-determined participants.
- VS Hum - a quick fight against a human player.
- VS Com - the same as above, but the enemy is controlled by AI.
- Survival - a fight with randomly selected enemies until the hero runs out of steam.
- Training, which will allow you to practice your moves.