---
key: mechanic/rpg-grind--crafting-cooldowns
type: mechanic
id: rpg-grind--crafting-cooldowns
lang: en
title: Production time constraints
summary: 'Crafting or research takes time, requiring queue and capacity management.'
updatedAt: '2026-10-22'
status: active
url: 'https://gamemechanics.pro/en/knowledge/mechanic/rpg-grind--crafting-cooldowns/'
jsonUrl: >-
  https://gamemechanics.pro/api/v1/knowledge/en/mechanic/rpg-grind--crafting-cooldowns.json
markdownUrl: >-
  https://gamemechanics.pro/content/knowledge/en/mechanic/rpg-grind--crafting-cooldowns.md
aliases: []
tags:
  - RPG grinding
  - Schedule and pacing
sourceIds:
  - source-7e8cddf5bd2df8d5
sources:
  - id: source-7e8cddf5bd2df8d5
    title: Melvor Idle
    url: 'https://store.steampowered.com/app/1267910/'
    verifiedAt: null
relations: []
placements:
  - catalogId: rpg-grind
    id: crafting-cooldowns
    title: RPG grinding
    url: 'https://gamemechanics.pro/en/mechanics/rpg-grind/#crafting-cooldowns'
    categoryIds:
      - cadence-controls
supersededBy: []
attributes:
  preview:
    updatedAt: '2026-10-22'
    title: Production time constraints
    description: 'Crafting or research takes time, requiring queue and capacity management.'
    image:
      src: images/mechanics/rpg-melvor-idle-05.webp
      width: 1440
      height: 810
      crop:
        x: 203
        'y': 203
        width: 382
        height: 510
      game: Melvor Idle
      sourceUrl: 'https://store.steampowered.com/app/1267910/'
      originalUrl: >-
        https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/1267910/ss_92d81e3ecd4bc0c27fe3b3f6098b72844a0b1e1e.1920x1080.jpg?t=1789749689
      credit: Games by Malcs / Jagex Ltd
      rights: >-
        Game imagery © its respective rights holders. Official game guide or
        publisher-distributed screenshot; all rights reserved. Excluded from MIT
        and CC BY 4.0.
      caption: One potion crafting cycle takes two seconds
      alt: One potion crafting cycle takes two seconds
      markers:
        - x: 30
          'y': 82
          label: Production duration appears beside Create
    tips:
      - Show remaining time and the reason a production queue stops.
    examples:
      - title: Melvor Idle
        url: 'https://store.steampowered.com/app/1267910/'
endsAt: null
provenance: >-
  Original editorial RPG grind taxonomy authored for gamemechanics.pro on
  2026-10-20 and expanded to cover activities, progression goals, reward rules
  and constraints. All original thirty family/branch/variant identities are
  preserved. Official developer and publisher sources support only the
  specifically described released-game observations; design variants and
  scenarios are hypothetical.
license: CC-BY-4.0
codeLicense: MIT
attribution: gamemechanics.pro contributors
catalogKey: catalog/rpg-grind
---
# Production time constraints

id: rpg-grind--crafting-cooldowns
type: mechanic
key: mechanic/rpg-grind--crafting-cooldowns
lang: en
status: active
url: https://gamemechanics.pro/en/knowledge/mechanic/rpg-grind--crafting-cooldowns/

Crafting or research takes time, requiring queue and capacity management.

## At a glance

![One potion crafting cycle takes two seconds](https://gamemechanics.pro/images/mechanics/rpg-melvor-idle-05.webp)

[Melvor Idle](https://store.steampowered.com/app/1267910/) · Game imagery © its respective rights holders. Official game guide or publisher-distributed screenshot; all rights reserved. Excluded from MIT and CC BY 4.0.

1. Production duration appears beside Create

- Show remaining time and the reason a production queue stops.

- [Melvor Idle](https://store.steampowered.com/app/1267910/)

## How it works

Crafting or research takes time, requiring queue and capacity management.

## Variants

### Variants

<a id="crafting-cooldowns-options"></a>

- Give each operation a duration. <a id="crafting-cooldowns-option-1"></a>
- Limit parallel work slots. <a id="crafting-cooldowns-option-2"></a>
- Allow periodic production of a rare component. <a id="crafting-cooldowns-option-3"></a>

## Design example

A laboratory studies one recipe while a workshop processes metal.

## Context and limits

A systematic RPG grind reference: 110 mechanics and 330 variants in 18 sections. Four layers answer different questions: what the player repeats, what develops, how rewards arrive and what constrains the loop. It covers single-player RPGs, ARPGs, MMORPGs and adjacent management and accumulation systems. Every mechanic has an explanation, variants and a hypothetical example; coverage, combinations and verified game observations follow the catalog.

## Connected materials


## Sources and provenance

Original editorial RPG grind taxonomy authored for gamemechanics.pro on 2026-10-20 and expanded to cover activities, progression goals, reward rules and constraints. All original thirty family/branch/variant identities are preserved. Official developer and publisher sources support only the specifically described released-game observations; design variants and scenarios are hypothetical.

- [Melvor Idle](https://store.steampowered.com/app/1267910/) (id: source-7e8cddf5bd2df8d5)

CC-BY-4.0 · gamemechanics.pro contributors