Sandcastles

A 30 level puzzle at the beach where you dig in the sand such that each sandcastle is on its own island and all seastars are in the water.

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Level 2
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Level 5
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Level 14
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Level 20
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Level 22
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Level 23
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Level 26
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Level 27
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Title

Download

HTML5 Play it in WebGL capable browser (there is a canvas fallback) on itch.io:   Link

Objectives

A sunny day at the beach. Sandcastles were built and now two tasks remain to complete the work:

  1. Dig water channels such that each castle is on its own island.
  2. Put all seastars in the water by digging water channels at their positions.

The playfield is a 8x8 grid. Outside this grid is water. You slide around geometric shapes. Where these shapes cover sand the digging takes place.

A level is solved, if through the current diggings, the tasks 1 and 2 are fulfilled. Then, where the digging tapped water, the channels are filled.

In this example there are 2 sandcastles. The light green shape is moved downwards.

The result is a channel around the lower right castle which connects with the water from outside the playfield and both castles are on their own island.

Problem Solved

Again, note that you do not see the effect of the diggings until a solution is achieved.

Water channels connecting at a single point

Two water channels connecting at a single point can be crossed. There is no water flow through this single point. Because of this rule, the middle and right castle are on the SAME island because the path marked red connects them.

Problem2

Diggings filling with water or not

Sliding the light green shape downwards causes both castles to be on their own island and the level is solved. It is interesting to note which diggings fill with water: The yellow dig shape is connected to the cyan shape in only one point. Therefore no water from the digging of the cyan shape reaches it. The red dig shape is not connected at all to water.

Solved2 Problem

Putting seastars into water

Sliding the light green shape to the right causes digging at all seastar positions. Note that in this level there is an already present water channel which is tapped by the diggings.

Solved Solved

Seashells

No digging is possible at seashells. They stop movement of shapes and they can be crossed. Sliding the light green shape to the left causes each castle to be on its own island.

Problem Solved

Controls

You move the digging tiles by mouse or touch. You click/touch them and flick them in the desired direction. The game cannot be played with keyboard. In a level, at the bottom of the page, there are three icons to be clicked/touched: Exit the current level, reset the current level and take back a move.

For navigation in menus, following keys are supported:

left cursor key - left in menus
right cursor key - right in menus
up cursor key - up in menus
down cursor key - down in menus
Esc or B - back (in a level it aborts the level)
Return - selects in menus or if nothing to select back

Remarks

Some levels have only one solution, other levels have multiple solutions. If there is demand, solutions will be posted here.