In order of priority:

1. Overworld Farm Complex
   In Progress
   Done: Area marked, protections granted, crops planted (wheat, carrots, pumpkins, melons, potatoes, sugarcane), trees planted (oak, birch, spruce), farm animals caged (chickens, 1 sheep), shell built, second floor built.
   Need: Jungle trees, potatoes, cocoa beans, and netherwart; cows, mooshrooms, pigs, and 1 more sheep.
   Materials Needed: Stone, wood, glass, lighting.

2. Nether Roads
   In Progress
   Done: Temporary Spawn-Seneca (SW) road. Terraforming for Pico (SE) road begun. Roads to Port Aperture (NW), Ise (S), Necropolis (N), and Argoth/Brom (NW) complete.
   To Do: Replace temporary roads with nicer ones matching the portal city.
   Materials Needed: Stone, glass, wood, colored wool, and lighting.

3. UMC Building
   In Progress
   Done: Area marked and claimed, protections granted. Terraforming complete. Glass floor added.
   To Do: Begun shell, add rail station. (Begun nicer designs after rails are done and embassy plots are marked.)
   Materials Needed: Stone, glass, wood, and lighting.

4. Nether Rails
   Not Yet Begun
   Done: Nothing.
   To Do: Farm materials, lay scaffolds for rails over lava, create 150 loop, lay rails with temporary CARTS system, convert to mattman00000's CARBON system, beautify rail lines.
   Materials Needed: Iron, redstone, gold, stone, glass, wood, netherbrick, glowstone, leaves.

5. Overworld Map
   In Progress
   Done: 21x21 map made below nether, filled with glass, portal cities marked, some cities added.
   To Do: Obtain materials, convert once cartograph is available, mark more cities, mark end portals.
   Materials Needed: Grass block, dirt, snow, brown wool, sand, lapis, obsidian, endstone, redstone.

6. Embassy Plots
   Not Yet Begun
   Done: Nothing.
   To Do: Mark portal embassy spaces next to UMC, add embassy plots along relevant portal roads, create a directory, assign plots as cities sign up. Independents will get offices in the main UMC building.
   Materials Needed: Stone slabs, lighting, fences.

7. Spleef Arenas
   Not Yet Begun
   Done: Nothing.
   To Do: Design 3v3, 1v1, and Megaspleef arenas; terraform near lava lakes below UMC; create Megaspleef on bottom, 3v3 above, and 1v1 on top; obtain FISA approval.
   Materials Needed: Stone, wood, glass, sticky pistons, lighting, redstone, buckets, signs, iron.

8. PVP Arena
   Not Yet Begun
   Done: Nothing.
   To Do: Design PVP Arena, find suitable location in the Nether, terraform, build, obtain PVP approval for the area. (We are considering a multi-level arena.)
   Materials Needed: Stone, wood, glass, lighting, sticky pistons, redstone, iron.

If you have any ideas for other projects or wish to design a project for is, let us know! Feel free to ask any questions.