Dwarf Fortress
Dwarf Fortress is the best game in the world. It was created in the dawn of time by Toady One.
Dwarves
Dwarves (singular: dwarf) are awesome short beardy guys that like to dig.
Elves
Elves (singular: elf) are hippie treehuggers whose only use is elven bone bolts. for a bonus, you can open your magma death trap and kill them all.
Cats
Cats are the bane of your existence. You must slaughter all of them before they outbreed you and cause you to suffocate since all the air is filled with cats.
Carp
Carp will EAT YOUR FACE. Do not go near the RIVER. It is full of DEATH.