Glass-room code
9898Multi-source verified · Checked July 29, 2026
Sinister Forest Walkthrough
Use 9898, mix the three verified plants and follow 11 checkpoints to the Tear of the Forest.
Quick answers
Fertilizer ingredients
Red Plant + Pink Plant + Blue PlantCompletion item
Tear of the Forest
Use the game-book ingredient set
The successful route and in-game book show Red, Blue and Pink Plants. Older red/brown/green and tonic/torch claims are excluded.
Jump to your current blocker
At the broken glass
Let Happy Rock break the glass, enter 9898 and take the Pickaxe.At the fertilizer box
Plant the Seed, then use Red Plant, Pink Plant and Blue Plant. No insertion order is claimed.Looking for the Chest Key
Use the Potion on the door handle, make the Ladder, then give the Apple to the Owl.At the final X
Return near spawn and dig at the Treasure Map marker.Sinister Forest checkpoints
- Clear the mushroom obbyComplete the mushroom platform section near the start.
- Break the glass and use 9898Let Happy Rock break the glass, enter 9898 and collect the Pickaxe.
- Collect the Red PlantTake the Red Plant and keep it for the fertilizer box.
- Open the rock and help Mr MouseUse the Pickaxe on the rock, collect the Crystal and give it to Mr Mouse.
- Grow the SeedPlant the Seed, then place Red Plant, Pink Plant and Blue Plant in the fertilizer box. The verified clue names the ingredients, not an order.
- Cross the fenceUse the Magic Gloves to push the tree down and cross the fence.
- Finish the log obbyCross the log platform section.
- Dig up the PotionCollect the Shovel, dig the dead patch of ground and take the Potion.
- Make the Ladder and help the OwlUse the Potion on the door handle to get the Axe, cut wood for a Ladder, then give the Apple to the Owl for the Chest Key.
- Open the chestUse the Chest Key and collect the Treasure Map.
- Dig at the map markerReturn near spawn, dig at the X and collect the Tear of the Forest.
If the route does not advance
- 9898 does not workConfirm Happy Rock has broken the glass and that you are using the keypad in that room.
- The fertilizer box does not finishPlant the Seed first, then use one Red Plant, one Pink Plant and one Blue Plant. Do not substitute brown or green.
- The Owl does not give the Chest KeyComplete the Potion, Axe and Ladder chain, then bring the Apple to the Owl.
- The final dig gives nothingOpen the chest first, take the Treasure Map and return to the X near spawn.
Frequently asked questions
What is the Sinister Forest code?
Enter 9898 after Happy Rock breaks the glass.
Which plants make the fertilizer?
Use Red Plant, Pink Plant and Blue Plant. The verified clue does not establish an insertion order.
How does Sinister Forest end?
Open the chest, follow the Treasure Map to the X near spawn and dig up the Tear of the Forest.