Servant of the Lake Roach Puzzle: How to Solve It
The Servant of the Lake roach puzzle explained: push the stone block behind each roach to guide it into its hole without trapping any of them at the edge.
Place the arrow-marked stone block directly behind a roach to make it move one space away from the block. Use that to indirectly steer every roach into its own hole — you never click the roaches themselves, only the block.
This Sokoban-style puzzle sits in the same "Welcoming the Guests" garden sequence as the flower puzzle, and it's the one most likely to force a full restart if you don't plan ahead: trap a single roach against the edge of the grid or wedge it between other roaches, and the puzzle fails outright.
The core strategy
Two independently verified playthroughs agree on the underlying method: place the block behind the roach you want to move, never in front of it, and think several moves ahead rather than reacting to whichever roach looks closest to its hole. One player summed up the mindset well after several failed attempts — treat it like forming a queue, solving the simplest roach first and working outward, instead of trying to corral multiple roaches into position at once.
Don't panic if you fail — it just resets
Trapping a roach ends the current attempt and resets the puzzle, but it doesn't cost you progress anywhere else. Treat early failed attempts as free information about the grid layout.
Before you start: an easy-to-miss trigger
One walkthrough source notes a step that's simple to miss entirely: you need to interact with the goat first (it digs up dirt) to find a small key in the dirt, and returning with that key is what triggers the roach puzzle in the first place. If you can't find the puzzle at all, check that you've already done this.
A confirmed step sequence
One detailed community guide lays out a specific, repeatable solve for this grid:
- Place the block two spaces above the topmost roach to get it moving.
- Move the block down one more space to nudge the next roach.
- Move the block to the left of the upper-left roach to push it.
- Place the block directly beneath that same roach, then repeat the placement to push it into its hole.
- Move the block beneath the lower-left roach to advance it, then repeat to keep it moving.
- Finally, place the block to the left of that roach (now in the upper-left position) to send it right and finish the puzzle.
Grid layouts can vary slightly, so treat this as a confirmed pattern rather than a universal script — the "block behind the target, never in front" rule is the part that reliably transfers to your own grid.
Frequently asked questions
How does the block move the roaches?
A roach moves one space away from wherever the block is placed. You reposition the block, not the roaches directly.
What happens if I trap a roach?
The puzzle fails and resets, but there's no other penalty — just start the pattern again with what you learned.
I can't find the roach puzzle at all — what am I missing?
Interact with the goat first to dig up a key in the dirt; picking that key up is what triggers the puzzle.
This puzzle is part of Day 1's garden sequence — see the full walkthrough hub for what comes before and after it.