Ugh, why does this game cost $25? Is it worth it? A game I want to compare it with is Starmade, and the issues I have with it are that ships tend to end up as giant rectangles of shields and lasers. Do big ships in this game tend to all look the same due to how tedious it can be to build a big ships and/or the nature of hat a ship is built from and one thing being better than another?
Another thing would be resources. What resources are used to make ships, how many of them are there, and how rare are some compared to others?
And finally, what are the best moments in the game you have experienced?
IMO, no, it is not worth it right now. The game has a *lot* of potential, and it might be great some day....but not right now. Unless you like using creative mode to build huge, completely impractical "showpiece" ships there's really not much to do.
Single player has basically no content at all, there's a few NPC ships to shoot but they aren't real enemies. Multiplayer is... playable.... but it's too broken and unbalanced to provide a good experience.
On the plus side, it's got much better graphics than starmade and if you put effort in, you can make nice looking ships. The optimal shape is still a flying brick just like starmade, but that's just physics and there's nothing they can do about it.
There's 9 1/2 resources (1/2 is stone/gravel which is only used to make one thing and is generally trash). Iron and stone are incredibly common, everything else is about equally common. All resources are available in massive deposits, once you find an asteroid that contains them it's a realistically unlimited amount unless you're building some massive computer-melting ship. Resource management is absolutely not an aspect of the game.
TL;DR if you like building spaceships you can't use for anything it's ok. If not, wait till it's finished and check back.
Fake edit: the game has oxygen (which is a complete non-issue that can mostly be ignored) and energy (which can also mostly be ignored after you find your first uranium deposit). No food/water, and (afaik) no plans to add them. The "survival" aspects of the game are very, very minimal.