Mechanical puzzles · Color collection
Mecha Screw 3D: loosen the right screw first
Removing a screw can change more than a color count. Freed plates can swing or drop, uncovering fasteners that were previously out of reach. Compare the available collection boxes with the exposed screws, then decide which removal opens a useful route through the machine.
Before dismantling the first assembly
- Exposed screws can be selected with a mouse click or touchscreen tap
- Collection boxes accept screws of their matching color
- Spare spaces hold the pieces that cannot immediately fill a matching box
- Mapi Games describes 15 puzzles with stars and optional assistance tools
Work through the machine layer by layer
Think about collection space and plate movement together, rather than clearing every visible fastener.
- 1
Compare screws with the waiting boxes
Identify the colors currently needed by the collection boxes. Look across the assembly for exposed screws of those colors before choosing your first piece.
- 2
Remove a reachable fastener
Click an uncovered screw to select it. Check whether it contributes to a matching box or occupies a spare space; that distinction changes how much flexibility remains.
- 3
Watch the released plates
A plate may move as its supporting screws disappear. Let the movement reveal the next layer, then reassess which colors and fasteners are reachable.
- 4
Preserve room for the next decision
Continue filling matching boxes while watching the spare spaces. Before taking an unmatched screw, consider whether it exposes enough useful pieces to justify spending that room.
Select fasteners deliberately
Mouse selection
- Move the pointer over an exposed screw and click to remove that fastener.
- After a plate shifts, inspect the newly uncovered screws before clicking another piece.
- Choose an assistance icon only after reading its label and any requirement shown beside it.
Tap selection
- The publisher lists tapping uncovered screws as the touchscreen control for this puzzle.
- In the upright play area, aim at the screw head rather than the surrounding colored plate.
- Allow a moving plate to settle before tapping a fastener that has just become accessible.
Two kinds of space to manage
Fasteners unlock deeper layers
Taking away a screw can release a plate and expose another part of the machine. A useful move may therefore change which colors you can reach.
Matching boxes guide the removal order
The exposed color that looks easiest to select is not always the color your current boxes need. Use the collection targets to judge the next screw.
A reserve that can become crowded
Spare spaces offer temporary flexibility, but filling them carelessly removes options. Balance a promising reveal against the space needed to reach it.
Keep the dismantling sequence flexible
- Look for screws that both fill a current box and release an obstructing plate.
- Avoid collecting several unmatched colors merely because their screws are easy to reach.
- Recheck the board whenever a plate drops; an earlier inaccessible match may now be exposed.
- Save one spare space when possible so an awkward intermediate screw does not immediately exhaust your options.
Who will enjoy these assemblies
Players who like planning a removal order
The puzzle links visible fasteners, hidden layers and limited holding space, giving each selection a consequence beyond its color.
Fans of compact sorting challenges
A small set of click-or-tap actions is enough to interact with the assembly. The challenge comes from choosing their order.
Finish the assembly and read its star result
The publisher describes a sequence of 15 puzzles with star rewards. Your practical objective is to take apart the assembly by collecting its screws without exhausting the available holding space. Follow the active level and its result panel for the current target and star outcome; no fixed time bonus or universal star formula is specified in the published instructions.
Questions about the screw-and-box puzzle
Which screws should I remove at the start of Mecha Screw 3D?+
First compare exposed screws with the colors requested by the collection boxes. A screw that immediately contributes to a box generally uses less reserve space than an unmatched one.
Why should I leave spare screw spaces empty?+
Those spaces hold pieces that cannot yet go into a matching box. Keeping room gives you more freedom to remove an intermediate screw and reveal another layer.
Why does removing one fastener change the available moves?+
Plates can swing or fall when their supports are removed. This exposes additional screws, so review the assembly again after each movement.
Are Hint, Undo, Magnet and Drill included?+
The official description lists all four assistance tools. When an icon is available in the game, inspect its explanation and any access condition before choosing it.
How many mechanical puzzles does the publisher list?+
Mapi Games lists 15 puzzles in the GameMonetize description. The level selection and progress indicators inside the supplied game show what is available in its current version.
Mecha Screw 3D reference
Source checked：
Choose a screw that opens another possibility
Compare the box colors, preserve some reserve space and begin dismantling the next mechanical layer.
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