Discovery Checklist

Discoveries Guide

Discovery checklist for Yoshi and the Mysterious Book, with Big Discoveries, creature behavior tests, hidden routes, and links to walkthrough and creature pages.

Last updated: 2026-05-24

Creature Encyclopedia Walkthrough Hub
Discoveries Guide guide artwork

Chapter 1

Wildwoods

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Big Discovery

Make Wildwoods Flower Buds Bloom

Use early creature carrying and placement to test how flower buds react around Crazee Dayzee routes.

Actions to Test

  • Carry Crazee Dayzee near unopened buds.
  • Drop the creature beside suspicious plants.
  • Try ground pound or egg throw after the bud reacts.
Wildwoods Walkthrough Wildwoods Flowers

Hidden Route

Ride a Bubble to Hidden Corners

Bubble routes can carry Yoshi into high corners and water-adjacent spaces that are easy to leave unchecked.

Actions to Test

  • Enter the bubble and wait for the full path.
  • Jump out near upper corners.
  • Retest the same bubble route during flower cleanup.
Glubbit Wildwoods Walkthrough

Chapter 2

Mountaintops

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Collectible Setup

Inspect Long Drops with Plumebrella

Controlled descent helps inspect ledges, lower routes, and flowers placed beneath the main path.

Actions to Test

  • Start from the highest safe ledge.
  • Hold Plumebrella through the full fall.
  • Move left and right during descent to check side platforms.
Mountaintops Walkthrough Mountaintops Flowers

Creature Behavior

Use Thudd as a Launcher

Thudd routes can point toward distant platforms, upper ledges, or hidden side areas outside normal jump reach.

Actions to Test

  • Trigger the launch from different positions.
  • Aim toward upper ledges before the exit.
  • Replay long-distance launches after checking the book counter.
Thudd Mountaintops Walkthrough

Chapter 3

Seaside

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Creature Behavior

Retrieve Objects from Water

Casterway-style interactions are likely to reveal objects from water shadows, fish routes, or distant item placements.

Actions to Test

  • Use Casterway near fish and shadows.
  • Wait until the retrieval behavior finishes.
  • Check the same water surface after the item moves.
Seaside Walkthrough Seaside Flowers

Chapter 4

Settled Valley

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Big Discovery

Follow the Little Mouser Theft Route

Let Little Mouser take an item once, then follow the route to see whether it opens a hidden discovery or cleanup path.

Actions to Test

  • Let the item be stolen.
  • Follow the creature instead of resetting.
  • Check where the item stops or changes state.
Little Mouser Settled Valley Walkthrough

Chapter 5

Bug Country

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Collectible Setup

Hit Distant Targets with Slugarang

Some Bug Country targets may require a creature-specific projectile path instead of a normal egg throw.

Actions to Test

  • Throw Slugarang at targets behind obstacles.
  • Watch the return path for item collection.
  • Retest failed egg targets with Slugarang.
Slugarang Bug Country Walkthrough

Chapter 6

Remote Isle

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Hidden Route

Slow Down on Goonie Air Routes

Carried air movement can pass side platforms quickly, so replay Goonie routes with cleanup in mind.

Actions to Test

  • Check upper and lower lanes while carried.
  • Pause before the exit if possible.
  • Return after credits for missed route-only flowers.
Goonie Remote Isle Walkthrough

Related Guides

Complete Walkthrough

Use the main walkthrough hub to plan chapter order and unlocks.

Creature Encyclopedia

Look up creature behavior when a discovery is missing.

Smiley Flower Checklist

Pair discovery cleanup with collectible cleanup by habitat.