---
key: mechanic/point-and-click--family-07
type: mechanic
id: point-and-click--family-07
lang: en
title: Item properties and states
summary: >-
  The player changes an item property so that it interacts differently with the
  world.
updatedAt: '2026-10-22'
status: active
url: 'https://gamemechanics.pro/en/knowledge/mechanic/point-and-click--family-07/'
jsonUrl: >-
  https://gamemechanics.pro/api/v1/knowledge/en/mechanic/point-and-click--family-07.json
markdownUrl: >-
  https://gamemechanics.pro/content/knowledge/en/mechanic/point-and-click--family-07.md
aliases:
  - Object properties and states
tags:
  - Point-and-click adventures
  - Core actions and items
sourceIds:
  - source-171c7a860d38dba8
sources:
  - id: source-171c7a860d38dba8
    title: The Room
    url: 'https://store.steampowered.com/app/288160/'
    verifiedAt: null
relations: []
placements:
  - catalogId: point-and-click
    id: family-07
    title: Point-and-click adventures
    url: 'https://gamemechanics.pro/en/mechanics/point-and-click/#family-07'
    categoryIds:
      - section-1
supersededBy: []
attributes:
  preview:
    updatedAt: '2026-10-22'
    title: Object properties and states
    description: >-
      The player changes an item property so that it interacts differently with
      the world.
    image:
      src: images/mechanics/adventure-the-room-01.webp
      width: 1440
      height: 867
      game: The Room
      sourceUrl: 'https://store.steampowered.com/app/288160/'
      originalUrl: >-
        https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/288160/ss_3d7f2102dad1c45593170232d6bb2470bb265680.1920x1080.jpg?t=1646758287
      credit: Fireproof Games
      rights: >-
        Game imagery © its respective rights holders. Publisher-distributed
        Steam screenshot; all rights reserved. Excluded from MIT and CC BY 4.0.
      caption: Lit elements show the panel’s current state
      alt: Lit elements show the panel’s current state
      markers:
        - x: 76
          'y': 74
          label: Lit state indicator
    tips:
      - >-
        Make property changes visible and apply them consistently across
        interactions.
    examples:
      - title: The Room
        url: 'https://store.steampowered.com/app/288160/'
endsAt: null
provenance: >-
  Original taxonomy adapted from user-selected design discussions; linked
  sources support specific examples, not the whole classification.
license: CC-BY-4.0
codeLicense: MIT
attribution: gamemechanics.pro contributors
catalogKey: catalog/point-and-click
---
# Item properties and states

id: point-and-click--family-07
type: mechanic
key: mechanic/point-and-click--family-07
lang: en
status: active
url: https://gamemechanics.pro/en/knowledge/mechanic/point-and-click--family-07/

The player changes an item property so that it interacts differently with the world.

## At a glance

![Lit elements show the panel’s current state](https://gamemechanics.pro/images/mechanics/adventure-the-room-01.webp)

[The Room](https://store.steampowered.com/app/288160/) · Game imagery © its respective rights holders. Publisher-distributed Steam screenshot; all rights reserved. Excluded from MIT and CC BY 4.0.

1. Lit state indicator

- Make property changes visible and apply them consistently across interactions.

- [The Room](https://store.steampowered.com/app/288160/)

## How it works

The player changes an item property so that it interacts differently with the world.

## Variants

### Variants

<a id="family-07-branch-1"></a>

- Shape and size: bend, stretch, compress, trim, enlarge or shrink. <a id="family-07-variant-1"></a>
- Temperature and phase: heat, cool, melt, freeze, dry or evaporate. <a id="family-07-variant-2"></a>
- Moisture and cleanliness: wet, soil, clean, soak or wash. <a id="family-07-variant-3"></a>
- Charge and function: charge, discharge, refuel, sharpen, lubricate or prepare. <a id="family-07-variant-4"></a>
- Chemical change: dissolve, oxidize, neutralize, develop or react. <a id="family-07-variant-5"></a>
- Biological change: grow, ripen, spoil, heal, infect or modify organisms. <a id="family-07-variant-6"></a>
- Status and authenticity: alter signature, registration, owner, labels, completeness or perceived value. <a id="family-07-variant-7"></a>
- Unusual use: exploit weight, conductivity, sound, smell or reflection. <a id="family-07-variant-8"></a>
- Semantic association: use metaphor, similarity, wordplay or literal interpretations supported by the world. <a id="family-07-variant-9"></a>

## Context and limits

A working classification with 44 families and 355 variants. Families overlap: one puzzle can combine items, dialogue, deduction and a character schedule. Core actions, progression architecture and assistance are separate layers. Sources identify examples from neighboring adventure genres.

## Connected materials


## Sources and provenance

Original taxonomy adapted from user-selected design discussions; linked sources support specific examples, not the whole classification.

- [The Room](https://store.steampowered.com/app/288160/) (id: source-171c7a860d38dba8)

CC-BY-4.0 · gamemechanics.pro contributors