Stg Box - Retro and arcade shooting games

Shooting box filled with various shooting games, from casual to hard, appears here!
Why do not you experience the world of a little unusual shooting game?

[Standard stg]
There are no special rules! The arm of the shooting gamer is tried!
How much can you defeat an enemy that gradually becomes hard?

[WipeOut stg]
If you miss an enemy it ends immediately! This is a hard shooting game.
How many enemies can be defeated without missing enemies?

[Avoid stg]
Let's continue to avoid obstacles by manipulating the aircraft in chaotic outer space where meteorites and debris scatter.
How long can you survive?

Other new shooting games will be added one after another!
If you play the game and save coins, you can open up the game and make a new challenge.
Let's aim for the top ranker in the world ranking of each shooting game!