Account-level Resource
An Account-level Resource is a resource in screep's that is linked to the user's account and not to anything in-game.
Credits
The main currency of Screeps, credits are linked to the user's account and are used as currency when completing transactions in the market.
CPU Unlocks
CPU Unlocks allow for a user to unlock their full CPU as determined by their GCL and Shard limitations for 24 hours. They can be purchased via the Screep's store, Steam and, though the in-game market via credits.
Pixels
Pixels are used in generating various decorations, they are created into the game by user's using Game.cpu.generatePixel()
at the cost of 5000 CPU from their bucket or by purchase though the Screep's store/Steam. They can also be obtained and sold via in-game market.
Decorations
Decorations are a collection of various types of visual additions to the Screeps world, by spending 500 pixels, you can generate a random decoration or 2000? to generate a specific category of decoration. They are stored in a user's inventory and can be transferred to Steam and purchased or sold though Steam's marketplace. You can not trade or purchase decorations in-game at current. Decorations vary in color depending on their category and rarity, rare decorations can even be seen on the map.
Graffiti
A wide collection of various types of images that can be applied to a user's owned or reserved rooms.
Wall Texture
A wide collection of wallpapers that can be applied to a user's owned or reserved rooms and shows up on the natural walls of the room.
Floor Texture
A wide collection of wallpapers that can be applied to a user's owned or reserved rooms and shows up on the floor (plain/swamps) of a room.
Creep Decorations
Creep decorations are a collection of different 'parts' that can be applied to creeps via a filter. This allows for some creeps to have different decorations on them based on their name, and you can combine different creep decorations together to make many different looks.
Badges
A collection of user Badges a player can obtain and use for their account.
Access Keys
Access keys are currency used to allow access to seasonal and server related events/content.