A quick post thanks to Grzegorz Antosiewicz, with some images showing some minor differences and what seem to be some unused assets not seen in the final game.
The One magazine showed a preview with some early screens, one showing screens with a mountain background layer. In the final game, that level section would feature just plain blue sky and some small white clouds.
Then finally in the following screen, the bottom right corner shows a robot which seems to have been dropped from the final game. Next is the shirtless enemy soldier with green pants and a knife – in the final version he only appears during a fight with the first level boss, whilst on these screens he looks as if he could be a casual enemy perhaps?
Other differences include power up items that are different in look. It could even possibly be mock ups that were generated.
Full gallery
