winter carnival '21: 東方難昔 "burning silvergun"

nitori helps out with a robot army gone awry in another hudsonsoft/naxat worship caravan shmup this time, take some gameplay strategy from radiant silvergun and increase your combo score multiplier by blasting 3 robots in a row. stack 3 of the same color again to double it! find and destroy the hidden tiles to rack up a secret combo bonus no bombs, no powerups, no extends. is it authentic silvergu…