PaperBugs Puzzle "Waltz" (medium) (feddit.org)

submitted 4 weeks ago* (last edited 4 weeks ago) by [email protected] to c/[email protected]

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Game Description:

PaperBugs is a puzzle where you control bugs on a grid by writing a simple program. Each bug executes the same program step-by-step to reach their targets. The key challenge is that ALL bugs run the SAME program simultaneously!

Puzzle:

Available instructions:

MOVE - move forward one cell
LEFT / RIGHT - rotate 90 degrees
IF FLOWER - execute next line only if flower ahead
IF EMPTY - execute next line only if path clear
IF WALL - execute next line only if wall ahead
IF GEM - execute next line only if gem ahead

Board:

Legend:

Flower (blocks movement)
Gem (collectable)
Wall (blocks movement)

Goal:

Write a single program that guides both bugs to collect gems and reach their targets safely.

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[-] [email protected] 1 points 4 weeks ago* (last edited 4 weeks ago)

Here the correct walk-through:

MOVE: MOVE: MOVE:

[T1][B1][F][B2][T2]
[ ][G][ ][G][ ]
[#][ ][#][ ][#]
[ ][ ][F][ ][ ]
[F][ ][ ][ ][F]

LEFT:

[T1][B1][F][B2][T2] (B1 and B2 face left)
[ ][G][ ][G][ ]
[#][ ][#][ ][#]
[ ][ ][F][ ][ ]
[F][ ][ ][ ][F]

IF FLOWER: RIGHT

[T1][B1][F][B2][T2] (Only true for B2; B2 now faces up)
[ ][G][ ][G][ ]
[#][ ][#][ ][#]
[ ][ ][F][ ][ ]
[F][ ][ ][ ][F]

RIGHT

[T1][B1][F][B2][T2] (B1 faces up, B2 faces right)
[ ][G][ ][G][ ]
[#][ ][#][ ][#]
[ ][ ][F][ ][ ]
[F][ ][ ][ ][F]

RIGHT

[T1][B1][F][B2][T2] (B1 faces right, B2 faces down)
[ ][G][ ][G][ ]
[#][ ][#][ ][#]
[ ][ ][F][ ][ ]
[F][ ][ ][ ][F]

IF FLOWER: LEFT

[T1][B1][F][B2][T2] (Only applies for B1; now faces up)
[ ][G][ ][G][ ]
[#][ ][#][ ][#]
[ ][ ][F][ ][ ]
[F][ ][ ][ ][F]

LEFT

[T1][B1][F][B2][T2] (B1 faces left, B2 faces right)
[ ][G][ ][G][ ]
[#][ ][#][ ][#]
[ ][ ][F][ ][ ]
[F][ ][ ][ ][F]

MOVE

[B1][  ][F][B2][T2]
[ ][G][ ][G][ ]
[#][ ][#][ ][#]
[ ][ ][F][ ][ ]
[F][ ][ ][ ][F]

this post was submitted on 22 Jun 2025

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Sudoku for the digital age. A community to come up with and solve together Zacktronics-like games that can be solved only with a pen and a piece of paper (Zachtronics-like games are engineering-oriented puzzle video games and programming games).

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