Tenkomori Shooting is a 3D (with 2D gameplay) arcade game. It's a collection of various shooting mini-games - several are classic shmups. The game is structured and presented similar to Point Blank, in that it consists entirely of mini-games, each with a certain quota to fulfill.
At the start of the game players select the easy, normal, hard tower (with 4, 6 or 9 floors). On each floor the player selects one out of several mini-games. For example - you can shoot hearts in a girl, shoot down planes with a cannon, shoot fireballs in the UFOs, shoot down birds, use a chopper to destroy tanks, shoot food to customers, etc. Fulfill the quota to progress to the next floor.