Handle bad embarks

No water
No wood
Aquifer
Glacier
Evil biome
Caverns too close to the surface

Military

Patrols
Defense (siege, ambush, megabeast, etc.)
Animal training
Animal taming
Smelt goblinite
Rescue caged dwarves

Diplomacy

Trading
Trade contracts
Tavern
Temple
Library
Justice
Burrows

Terrain

Non-cheaty farming with no soil
Mine exploration
Harvest from the caverns
Adaptable fortress layout
Magma forges
Move pastures when no grass
Dig to find non-economic stone