Quit. Poppies, of course. Cannon Fodder reference more than anything.
Concept drawings. Had to simplify a lot my ideas, but open map was almost 1:1 of the idea, including map of Finland (Before WW2) and sea monster.
These I made for project that would have been "toy like fun level editor". It was for Doom clone project, and was already much better and easier to use than Doom Builder, but it got cancelled.