retro achievement for Zen : Intergalactic Ninja

Forest

Off Shore Oil Rig

Toxic Factory

High Speed Railway

The Cavern of Crud

The Cesspool

The Inspostor's Hideout

Throne of Blight

Lawnranger

Pulp

Bottle Bandit

Can-It

Lights Out

The Recycled Heroes

Crystal Beads

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