Ragnablock

August 23, 2035. The Ragna III ship, under the command of your expert hands, plunges into space trapped by a wormhole.

When the trip to hyperspace ends, you regain control to observe with horror that you find yourself in a labyrinth in the middle of a strange asteroid field guarded by alien ships, and within which wormholes open that lead to prison blocks, of which that you have to go out destroying the blocks with the armament of your ship, still active.