I have read wiki and forum guides on the clockworks arcade, and I really don't get it. What often seems to be missing in explanations about SK is the most basic, general level. So instead of asking "what is the arcade about?", I'm going to write out what I think I know, and hopefully someone can correct me. All of the in-game text I've found skips too much material, and I'm baffled by it. So here we go.
1. The arcade 'dungeons' are themed, spontaneously generated adventures for the knights. There are four gates to use. There are also four buttons to use in each gate. So that is 16 starting choices total?
2. There is a totem of icons that apparently indicates the theme of each of the four gates, but the camera angle prevents close examination of the totems. Don't know what I'd be learning from them anyway. Do they matter?
3. There are rows of icons that sometimes move left and right, indicating some kind of change in the dungeons future levels? The icons and their names are ambiguous, I learn nothing from them. This apparently creates a path with choices as you venture through various dungeon levels, but it's unclear how they branch and how you choose a branch and what the branches mean and when you will arrive at them.
4. There are depths and there are levels. I can't find a definition of either term. They sound like the same thing but I guess they are not the same thing.
5. If there are so many levels to explore and they change randomly all the time, how can anyone ever get to the lower parts of any of them? Is this somehow comparable to the Item World dungeons from the Disgaea games? In those games, a very big random dungeon was locked in place until the player either finished or abandoned it, possibly across multiple play sessions.
6. The wiki says mineral usage to influence the dungeons was halted, but the guy in the arcade says to influence the arcade by using the minerals, so these seem contradictory.
7. So I guess the answer is to start entering a bunch of arcade gates and see what happens and eventually figure out what the diagrams mean through trial and error? I can't gauge how to tell if my knight is even ready for any of those gates or why I would want to explore them, rather than do rank and prestige missions.
That was a lot. If anyone would like to help me with one or more of these items, it's appreciated. :)
1. There are four gates. There are not "four buttons" per gate. Maybe you are talking about the different levels that cycle through each depth? For example, let's say you're on depth 2, looking at the elevator that will take you to depth 3. That elevator shows you an icon for the level that you would enter on depth 3, if you took the elevator right now. But don't take the elevator right now. Instead, just sit and watch the elevator. After a few minutes, you will see the icon change, because a new level has cycled in. To see a complete list of the levels that may cycle in, open the Gate Map (which is in one of the menus in the bottom left corner of your screen). Or open the Missions window, choose the Arcade tab, and inspect the Gate Map there.
2. In the Arcade, each gate has a totem of six icons. Those icons tell you the themes for the six strata. Some themes are monster-based (e.g. gremlin), while other themes are status-based (e.g. freeze). They tell you vaguely what kind of levels you'll be seeing if you descend into that gate. See Gate#Stratum_Themes to learn how. If you want to know more precisely, then inspect the Gate Map.
3. Yes, these are the levels that are cycling through each depth. Once you know the game well, you can decode them based on their icon, color, and name. See Gate#Level_Icons.
4. Each depth has one or more possible levels that you might hit when you go to that depth. For example, let's say we're looking at depth 11, which is in Stratum 3 of the Clockworks. And let's say that this stratum has a shock theme. Then the levels that are cycling through depth 11 might include (A) a Clockwork Tunnels: Power Complex and (B) Thunder Fist Arena. You can choose which of these you want, if you are willing to wait a bit at the end of depth 10.
5. Getting to the lower depths is not hard, because you do just one level on each depth. Let's say each level takes you 10 minutes. Then Stratum 1 takes you 30 minutes, Stratum 2 takes you 30 minutes, Stratum 3 takes you 40 minutes, etc. In fact, advanced players are allowed to skip the shallow strata altogether. So I start my run at Stratum 5 (depth 19). Getting from depth 19 to depth 28 takes me an hour or two, depending on which levels I hit and how much I wait. The next day I do it again.
6. Minerals no longer influence gate construction. If Wegner says that they do, then Wegner needs fixing.
7. My advice is to progress through the rank missions as much as you can. Occasionally you might get stuck at a Hall of Heroes. When that happens, or when you just don't feel like playing missions, play the Arcade for a while. Play the deepest depth that you can handle.
In effect, each mission is like its own mini-gate. It's part of the Clockworks, but not reachable from the Arcade. When you're running a mission, your depth is displayed in the upper right corner of your screen. So use that as a guide, for which depths you could be playing in the Arcade.
Let me know if I can clarify this stuff more.