> For the complete documentation index, see [llms.txt](https://docs.deepmine.world/deepmine/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.deepmine.world/deepmine/deepmine-entities/game-roles/specialist.md).

# Specialties

The game features a number of specialties. Each specialty is capable of minting unique NFTs that other players need to progress. There are currently three types of specialties in DeepMine: 

#### [Geologist  ](/deepmine/deepmine-entities/game-roles/specialist/geologist.md)

A citizen with a [Geologist Certificate](/deepmine/deepmine-gaming-nfts/badges/geologist-certificate.md). Geologist has the ability to open new slots for mines on [Areas](/deepmine/deepmine-gaming-nfts/areas.md) owned by the [Landlords](/deepmine/deepmine-entities/game-roles/landlord.md). In addition, the Geologist opens new [Mines](/deepmine/deepmine-gaming-nfts/mine.md) by introducing them into the game.

#### ‌[Engineer  ](/deepmine/deepmine-entities/game-roles/specialist/engineer.md)

A citizen with an [Engineer Certificate](/deepmine/deepmine-gaming-nfts/badges/engineer-certificate.md). An engineer is able to improve mine [Equipment](/deepmine/deepmine-gaming-nfts/equipment.md). In addition, the Engineer is able to increase the [Contractor's](/deepmine/deepmine-entities/game-roles/contractor.md) efficiency for a limited period of time.

#### ‌[Scientist  ](/deepmine/deepmine-entities/game-roles/specialist/scientist.md)

A citizen with a [Scientist Certificate](/deepmine/deepmine-gaming-nfts/badges/scientist-diploma.md). The scientist is able to improve the mines. In addition, the Scientist is able to increase the efficiency of the [Factory](/deepmine/deepmine-gaming-nfts/factory.md) for a limited period of time.

#### As the game develops and the plot transitions to the next [phases](broken://pages/-MhJzy_DmiySvPNvXRv0), new specialties will be introduced.