SilentMild
Death was never a cause for concern because players had infinite lives. But, what if the game was a real-world, set in another dimension? And, what if the monsters and NPCs break loose and invade your home? Would you still face them with the same bravery as before, knowing that death would now be certain?
Aildrin Gentrix only sought the truth about his parents’ death. But with the truth came the burden to save the world.
The first paragraph in the synopsis gave the underlying world background, giving your readers the idea of what they can expect. You have done a well enough job here. But, in the second paragraph doesn't say much, other than give a vague impression of the first paragraph.
The MC is introduced, well and good. His motive is also introduced, again a sound job. But, the final line doesn't make any sense. Accompanying his parent's death was a burden forcing him to save the world. This final line doesn't make any sense, like it doesn't captivate me. I suggest you use a different one-liner to create a better oomph effect. Fill in with some world BG to relate with the truth of his parent's death or something along the line. Sorry, I don't have a better opinion on this point.
For the cover, you can't find a better background image. This is simply perfect. As for the title, make it big, big to the extent, each word occupies a line. You used a comic shade of crimson for the font to match with the vibe. But, even though it matches with the cover, it doesn't generate enough contract to make it visible. So, create a border around the font (with a shade of white) so that it makes the title more appealing. Also, used a glow effect around them. But, for the colour choice, choose a light colour that contracts with the dark background
For the author name, you don't need to add 'by' since it is apparent that it is the name of the author. Change its style so that it is not similar to the title. let it stay small, like between one-fourth to one-third the size of the title will be the best
