You can only stay underwater for a short time without drowning.
The first weapon in the game
A village is terrorized by an evil scientist.
Dashed to bits by the spikes!
This looks like it leads somewhere interesting and significant...
A conversation I'm about to interrupt.
Beautiful attention to incidental detail, like the sprinkler in the garden.
Drowning (I've turned blue, like Alley Cat!).
Finding a health power up
Using the vents to get over a large chasm.
You will often need to find certain key items in order to advance.
The wheel-shaped enemies explode into lots of small enemies.
Each weapon has certain advantages - Fireballs fall down.
The MG can be used to "fly".
The sword has a low shooting frequency but is very powerful.
Don't get crushed by the moving rocks.
Fighting against a large vehicle called "Monster X".
Your girl companion is part of the gameplay and if you save her, there will be an alternative ending.
The Egg Corridor – one of the first imaginative locations in the game.
Some enemies work as a team.
Strong story, good characters and moral dilemmas are part of the game.
When returning to the Egg Corridor later on, much has changed