Base game
- Isaac (Repentance+)
- Isaac (Repentance)
-
Mods (0 • hidden)
- 21 Trinkets
- A Bushel of Burdens & Blessings
- Andromeda
- Ascension
- Bael
- Balatro Jokers
- Baphomet
- Basement Moon
- Battle Fantasy
- Becky
- Bedroom Expanded
- Benevolence
- Benighted Soul
- Beyond
- Birthcake
- Birthcake: Rebaked
- Brown Shapiro's Addons
- Chocolate Mod
- Community Remix
- Curiosity Crate
- D!Edith
- Damnation
- Dark Vaults
- Daydream all Day
- Doki Doki
- Eclipsed
- Elitium
- ENA Mod
- Ephemera
- Epiphany
- Fiend Folio
- Foks' Booster Pack
- Fruity Rooms
- Furtherance
- Glacier's Laboratory
- Godmode Achieved
- Heaven's Call
- Hex Cards
- Insane Pain Mod
- Inscryption Card Pack
- Job
- Joseph
- Kicks and Giggles
- Lazy MattPack
- Library Expanded
- Lost and Forgotten
- Magic Expanded
- Malware & Spam
- Martha of Bethany
- Mastema
- Me's Very Rocky Collection
- Minmaxers Anonymous
- More Penny Trinkets
- More Unus Cards
- Neapolitan Pack
- Pail O Items
- Painted Paths
- PJJ & Niro's Collection
- Pop Pack
- Potato Packs
- Preyn's Collection
- Red Baby
- Repentance Negative
- Repentance Plus
- Reshaken
- Restored Mods
- Revelations
- Reverie
- Reverie: Make Good Omissions
- Road to Enlightenment
- Sacred Dreams
- Samael
- Sewing Machine
- Shattered Symbols
- Sweet Halloween
- TBOI Otherside
- TBoI: Regambled
- The Bimbing of AIsaac
- The binding of Neuro-sama
- The Forbidden Suits
- The Miles Mod
- The Punished
- The Serpent
- The Sheriff
- Virtue Items
- Warp Zone
25 more currently being worked on!
- Add your mod
- To the GuruWiki
▾Table of Contents▾
Fool-proof Key trinket
Fool-proof Key is a trinket in Glacier's Laboratory, a mod for The Binding of Isaac.
Description
Clearing a room has a 20% chance to spawn a Reward Plate (can trigger multiple times).
When the trinket is dropped on the ground, it instantly pushes all buttons in the room.
Does not work on the arena button in Greed Mode.
Special synergies
The following special synergies and interactions for Fool-proof Key have been documented.
| Mod | Item | Synergy |
|---|---|---|
| --- | Trinket multipliers | Increases the chance of spawning a reward button by 10%. |
* Note that not all possible synergies and interactions are listed here.
External links
- Download Glacier's Laboratory from the Steam Workshop.
Chakram 
Whoopie Cushion 
Archaeology Shovel 
Ultimate Corruption 
Bulletin Board 
Flag of Opportunity