Here is the full list of all 10 A-men trophies - there are 3 bronze, 6 silver and 1 gold.
Beat the final level in the Factory.
Exterminate 1000 enemies.
Unlock first Winterland level.
Unlock first Seacoast level.
Complete all missions in the Forest, at the Seacoast, in the Winterland and in the Factory with S rank.
Complete all missions in the Forest, at the Seacoast, in the Winterland and in the Factory with at least A rank.
Complete all missions in the Forest, at the Seacoast, in the Winterland and in the Factory with at least B rank.
Read all tips in the Forest, at the Seacoast, in the Winterland and in the Factory.
Unlock first Factory level.
Kill 10 enemies in the combo 10 times.