With the addition of Nook Miles, Animal Crossing: New Horizons implements the equivalent of an achievement system in which the player is rewarded for engaging in various activities. For example, catching a total of 50 fish over the course of a playthrough might grant the player 500 Nook Miles. These can be used as a currency for purchasing things like plane tickets to new islands, cute hairstyles, an expanded inventory and a tool ring.
Specific Nook Mile achievements can only be fulfilled once, but there’s also a tab which will cycle through five generic milestones. Some of these ask the player to plant a tree, hit 10 rocks or take a picture. When one of these is complete, a number of Nook Miles will be earned and a new task will appear. As soon as Resident Services goes from a tent to an actual building, the amount of purchasable items that come with the Nook Mileage program will also increase exponentially.
Additionally, New Horizons has the same Bell currency as always, allowing the player to collect seashells, critters, fruits and fossils to sell with Timmy and Tommy. From these, new clothing and furniture can be purchased at either Nook’s Cranny or the Nook Miles Machine. Players can also learn recipes and craft hundreds of items at a DIY Workbench with all sorts of materials. These resources are typically needed for new tools, furniture and buildings.
These mechanics create a generous foundation for a constant sense of progression. Everything the player does will result in some sort of reward and it makes even the simplest of tasks more engaging, whether it be selling items, racking up Nook Miles, or crafting new furniture.