Yes, this is clearly a game made in RPGMaker, which other titles have given a poor reputation, for good reason.
Despite that, there are so many things Last Dream gets right, that I would advocate it being worth $5-10.
1) The character selection is a clear callout to FF1, with designing a party of 4 from 8 very distinct classes. This makes for some thoughtful character development decisions as well a major contribution to improving the replayability of the game.
2) Character development... You have full control over how your level ups improve each individual stat. This does kinda encourage min-maxing, but in a very good way. Even your damage dealers gotta have something to provide defense.
3) The game is not afraid of hiding lots of valuable treasures away for people who want to look for them, in the form of side quests and a very open world map that encourages you to find these locations. This is kinda a double edged sword on balance/difficulty, but the main quest can only be made very easy by beating side quests that likely were much more difficult than the main quest to begin with.
4) The soundtrack is very full of variety and a whole bunch of excellent tracks... Many of which are recognizable by people who have snagged these tracks that are commonly freely available on the internet before. It's cheap, but it really is a solid implementation of doing with minimal resources.
5) Puzzles! In just about every dungeon in the game, there's at least 1 room with a different kind of puzzle that needs to be solved. This puzzle room is free of monster-spawning, and is completely optional, for the sake of getting more loot. For me, they struck a perfect balance between challenging and solveable.
6) Replayability: Learning all the tricks to the all the above ultimately leads to a major design decision the developer made. Lots of support/achievements for speed-running, accomplishing 100% of the side quests (there are a LOT), etc.
Some potential negatives that exist:
1) The game almost encourages you to go ahead and try and break the balance. To some, this is a system that works really well, and to others, well, that's understandable.
2) Pretty obvious reuse of a lot of RPGMaker graphical assets. Given the market for the game, I don't forsee this being much of an issue.
3) At one point of the main quest, you'll probably find yourself doing something that you don't want to do in order for the quest to proceed. (being ambiguous to avoid spoiler alert).