NES

Zen: Intergalactic Ninja

Title screen

Options screen

The intro lays out the dangers the earth faces

This is the mastermind behind the pollution

Select which polluter you want to go after

The aliens brief you on the toxic factory mission

Eco-terrorist/intergalactic ninja Zen plants bombs in the factory

Trying to get out of the factory within 99 seconds

Still in the factory, negotiating high platforms with conveyor belts for extra danger

Mission briefing for acidic forest

Revive acid-soaked flowers in the forest

Fighting Sulfura at the top of the forest

In the forest, taking on one of the acid rain machines that can also shoot lightning

Mission briefing for the off shore oil rig

Side scrolling action in the oil rig stage

Zen can also hang onto and move along ceilings

Approaching a door with a trapped oil rig worker

Freeing the oil rig worker

The aliens brief you on the high speed railway chase

On the railway

Crossing through water, fighting a cart-going enemy

Enemies ganging up

There are forks in the track that you can select if you hit the switch in advance

Jumping over rocks on the tracks (it hurts if you roll over them)

Rocks bouncing on the tracks

Switching to straight side-scrolling view, another enemy throws rocks at you

Game over screen