Because it ain't so bleak no more! I hope you enjoy my Bleak Beach build so far.

I have not yet really done much with the hidden area behind the gate or the boat.

Also sorry for the audio desync, this is what I get for recording through Quicktime.

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If you want to know how the blinking lights function, I show a simple mechanism at 3:45-4:05. 

But basically:

- Flowing liquid trips laser switches when the flow is detected and when the flow detection stops.

- Flowing liquid also causes hatches to open (in the one square case like this, you have to open the hatch manually to start flow the first time).

- Laser switches, when tripped, will change the state of immediately adjacent objects that change when interacted with (e.g. doors, toy blocks, hatches, electronics, etc.). These movements can often be chained to other laser switches.

- Laser switches detect movement up to two squares forward.

- I used lava in both cases as it moves much slower than water.

- To sum it up, in this case:
  - The lava flows through the open hatch and trips the laser switches.
  - The laser switch closes the adjacent hatch and makes the blocks change state. Flow begins to cease.
  - The flow stops. The laser switch on the opposite side of the flow also detects the same change flow changes and switches its' blocks' state accordingly.
  - The flow stops, changing the blocks and re-opening the hatch.
  - The top layer of blocks above the lava flow has its movement detected by a set of laser switches connected to each light I want to blink.
  - If your initial flow is only one square "long" like my case, you will need to open the hatch manually the first time as there is no flow direction one-square wide.

How can I rename Bleak Beach?