Review stated equipment effects
The supplied passages describe effects for X-Ray Glasses and Walking Shoes.
X-Ray Glasses Walking ShoesWeapons, upgrades, inventory, and unlockable equipment. Explore how the equipment and progression systems work.

The supplied passages describe effects for X-Ray Glasses and Walking Shoes.
X-Ray Glasses Walking ShoesCompare the stated completion, difficulty, time, and Mr. Everywhere conditions for the documented unlocks.
Albert-01R The Secrets of Defense The Essence of Defense X-Ray Glasses Walking Shoes Circular Saw Infinite AmmoThe passages describe inventory slots, backpack expansion, and item-box storage.
Inventory and Backpacks Safe-Room Item BoxesChoose a topic to see how it works, where it helps and what to consider.
X-Ray Glasses are a bonus item unlocked by completing the game in under four hours on any difficulty; they provide a permanent psychostimulant effect.
Understand this choiceWalking Shoes are a bonus item unlocked by destroying all 20 Mr. Everywheres; the gameplay passage says they raise Ethan’s speed.
Understand this choiceAlbert-01R is named in the supplied weapon list. The unlock guide says it can be unlocked by completing the game on any difficulty.
Understand this choiceThe Secrets of Defense is an unlockable named item; the guide says it becomes available after completing the game on Normal or Madhouse difficulty.
Understand this choiceThe Essence of Defense is a named unlockable obtained by finding and destroying every Mr. Everywhere statue, regardless of difficulty.
Understand this choiceCircular Saw is named in the supplied weapon list. The unlock guide says it can be unlocked by completing the game in under four hours on any difficulty.
Understand this choiceThe unlock guide lists Infinite Ammo as a bonus unlocked by completing the main game on Madhouse difficulty, without further item details.
Understand this choiceMadhouse changes enemy strength, item abundance, and autosave frequency; the guide also lists completion on Madhouse as the Infinite Ammo unlock condition.
Understand this choiceEthan has eight inventory slots plus four weapon assignment slots, and can gain more inventory space by finding backpacks.
Understand this choiceItem boxes in safe rooms let Ethan store excess items and retrieve them later; enemies cannot enter the safe rooms described.
Understand this choiceThe weapon list names items, but does not give their individual effects or restrictions. General statements about melee weapons and firearms do not establish the behavior or classification of a particular named weapon.
The guide gives different conditions for listed bonuses, including completion, difficulty, time limits, and destroying Mr. Everywhere statues. Do not infer item effects from those conditions.
The supplied passages mention Not a Hero and End of Zoe as DLC scenarios but do not provide enough detail to describe their equipment progression.
Selected systems and editions described by the linked references.