> For the complete documentation index, see [llms.txt](https://docs.department77.com/department-77/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.department77.com/department-77/guides/getting-started/1.-get-some-droids.md).
# 1. Get some droids!
First thing to do is to get your hands on a droid NFT. There are three collections available:
1. **Deus MK1** - this is the original collection launched in March 2022 on Terra. Deus has the Special Ops archetype so it does best on rescue missions. Holding a Deus also gives you an automatic first-tranche whitelist spot on *all future Department 77 collections*. You can buy Deus off the secondary market on [OnePlanet (Polygon)](https://www.oneplanetnft.io/collections/items/0x81453949c0f5a4af156b55710c4060897c35d0e8?sort=price_low_to_high).
2. **Mono MK1** - assassin model that does best on kill missions. Holding a Mono gives you an automatic second-tranche whitelist spot on all future Deopartment 77 collections. You can buy Mono off the secondary market on [OnePlanet (Polygon)](https://www.oneplanetnft.io/collections/items/0x8c17a58345b9abe99e363cae88b4a2a8a8fdf3b0?sort=price_low_to_high).
3. **Echo MK1** - specifically designed for the Secret Network blockchain. These droids have access to special data broker missions, which are highly lucrative. Echos are money-makers, and it's always a good idea to have a few of these always running data broker missions. You can buy Echo on [Stashh (Secret Network)](https://stashh.io/collection/department-77-echo-mk1) - they are still available brand new!
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