AC 2317 is the final stage from Super Star Force.
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Skyscrapers dominate this futuristic city in the sky while a barrage of enemy fighters help to defend the surroundings from the player. Returning to the other stages is impossible once reaching this level. If a certain item is not found, then the Seal of Gordess cannot be opened, leading into the game's bad ending.
The Seal of Gordess is a labyrinth where the secret of Gordess is hidden. The time will decrease by 10 as time passes. In addition to one-way traffic, there are many traps such as the same trick as in 0001 and the "infinite loop" that is returned unless you go through a specific route. Gordess's secret can be solved by seeing the regularity. Enemy characters do not appear in this labyrinth, but since the time will decrease over time, it will be very difficult to re-enter when it reaches 0, so if you have the "crystal of time" you can use it all up.