retro achievement for Zen : Intergalactic Ninja

Forest

Off Shore Oil Rig

Toxic Factory

High Speed Railway

The Cavern of Crud

The Cesspool

Scrap Heap's Haven

The Inspostor's Hideout

Throne of Blight

Lawnranger

Pulp

Bottle Bandit

Can-It

Lights Out

The Recycled Heroes

Path to Enlightenment

Lord Kidnapper

Painless Decontamination

Karma of the Universe

Sulfura

Oil Slick

Lord Contaminous - First Strike

Smogger

Garbageman

No Blood in the Crud

Slime Monster

Scrap Heap

Attack of the Clone

Lord Contaminous - Second Attack

Flower Lover

Ninja Firefighter

Lake of Lava

Unaided Champion

Serenity Again

Lord Contaminous - The Final Clash

Rapid Sabotage

Oh, No You Don't!

Guardian of the Planet

ECO-POWER

Restless Warrior

Mandate of the Galaxy