# 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  ](https://docs.deepmine.world/deepmine/deepmine-entities/game-roles/specialist/geologist)

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

#### ‌[Engineer  ](https://docs.deepmine.world/deepmine/deepmine-entities/game-roles/specialist/engineer)

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

#### ‌[Scientist  ](https://docs.deepmine.world/deepmine/deepmine-entities/game-roles/specialist/scientist)

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

#### As the game develops and the plot transitions to the next [phases](https://docs.deepmine.world/deepmine/deepmine-entities/game-roles/broken-reference), new specialties will be introduced.