> For the complete documentation index, see [llms.txt](https://docs.creoii.dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.creoii.dev/great-big-world/mechanics.md).

# Mechanics

- [Item Variants](https://docs.creoii.dev/great-big-world/mechanics/item-variants.md)
- [Fluidlogging](https://docs.creoii.dev/great-big-world/mechanics/fluidlogging.md)
- [Tool Usage](https://docs.creoii.dev/great-big-world/mechanics/tool-usage.md)
- [Equipment Upgrading](https://docs.creoii.dev/great-big-world/mechanics/equipment-upgrading.md)
- [Anvil Mechanics](https://docs.creoii.dev/great-big-world/mechanics/anvil-mechanics.md)
- [Knowledge](https://docs.creoii.dev/great-big-world/mechanics/knowledge.md)
- [Darkness](https://docs.creoii.dev/great-big-world/mechanics/darkness.md)
- [Seasons](https://docs.creoii.dev/great-big-world/mechanics/seasons.md)