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Backbolt: Unscrew Take Apart icon

Backbolt: Unscrew Take Apart

dkseq5 Puzzle In-app purchases Contains ads

Only a visible head comes out. Fill the tray and you jam. 40 boards.

Downloads
3+
on Google Play
Price
Free
In-app purchases
Updated
Oct 8
2026 · v1.1.0
Get it onGoogle Play See alternatives

Screenshots

  • Backbolt: Unscrew Take Apart screenshot 1
  • Backbolt: Unscrew Take Apart screenshot 2
  • Backbolt: Unscrew Take Apart screenshot 3
  • Backbolt: Unscrew Take Apart screenshot 4
  • Backbolt: Unscrew Take Apart screenshot 5

About Backbolt: Unscrew Take Apart

A screw puzzle you solve by undoing the build.

Colored sticks lie stacked over each other, held down by screws. You can only remove a screw
whose head is visible, and every screw you remove goes to the tray at the top. Clear all the
screws of one stick and that stick drops out, emptying its slots in the tray again.

Poke around at random and the tray fills up until nothing can be removed at all.
Finishing one stick at a time is the way this puzzle is meant to be played.

WHAT IS DIFFERENT HERE
- Undo is unlimited, always. Getting stuck never means starting over.
- No lives, no energy. Take as long as you like on a board.
- The time limit can be switched off in settings if you would rather just solve the order.
- Every board shipped here was actually solved end to end before it went in.
- No colour matching rule, so colour vision differences do not get in the way.

DIFFICULTY
40 boards: 8 easy, 10 normal, 12 hard, 10 brutal.
The last board stacks 42 sticks held by 84 screws; the densest board holds 91.

CONTROLS
Just tap a screw. No dragging, no timing windows.
Tap a screw that will not come out and the screen shows you which stick is covering it.

Twelve languages, switchable inside the app at any time.

What’s new

Version 1.1.0 · Updated October 8, 2026

New "workshop" look: a pegboard wall with a work lamp and a brass title plate. The board picker now shows your progress, marks the next board to play and colour-codes difficulty. Clearing a board now pops the screws out and stamps the stars one by one. Hint fixes: no more freezing on large boards or errors with a full tray, and the ad only plays when there is a move to show. Added a privacy policy link in Settings.

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