In C-evo, there are relatively few predesigned units. Eight of them are (in the order the manual lists them): * Settlers - 0/10, 1.5, cost 40; food support, and its creation reduces the city population by two * Engineers - 0/20, 3.0, cost 40; requires Explosives advance; resists terrain hostility and can do some things that settlers cannot; food support, and its creation reduces the city population by two * Town Guard - 4/6, 1.5, cost 20; defensive strength gets a special bonus of +6 in a city; under Despotism adds 2 morale points to any city it is in; always requires 1-resource support * Special Commando - 12/12, 2.5, cost 20; requires Intelligence advance; covert operations, including freely walking in friends' territories * Freight - 0/6, 1.5, cost 60; requires Trade a