Alright, I finished doing the adjustment. Here are the improved CAT-DOS images.

Specimen 5's replacement, based on a scene in TPOT 9.

(NOT DRAWN BY ME)

Specimen 3's replacement.

(NOT DRAWN BY ME)

The replacement for the Violent Deer, based on Fear Garden.

(NOT DRAWN BY ME)

New assets created by a friend of mine.

Specimen 6's replacement.

(NOT DRAWN BY ME)

The new Specimen 1 cutouts. (Once again, made by a friend of mine)

New axe texture.

(NOT DRAWN BY ME)

Endless Mode Specimen 4's replacement.

(NOT DRAWN BY ME)

New title screen, also created by a friend of mine.