If you are looking for the 3DS variant, it will come soon.
Evil Emperor Land is the first level of Horrid Henry's Horrid Adventure.
After Margaret scatters items over 3 maps, Henry goes through one of them to retrieve some.
The sewers are filled with germ creatures and goo bots which lead to a Goo Factory.
Blue Germ - A non moving enemy, can be stunned by slime.
Pink Germ - A turret based enemy, fires shots upwards.
Purple Germ - A moving enemy that moves side to side.
Orange Germ - Similar to Purple Germ but moves in the air and can move up and down and sideways
Goo Bot - Slightly faster than the Purple Germ.
Sewer Shark - An aquatic enemy which can be found underwater,
Margaret's Goo Robot - The boss.