Harmful objects hurt the player over time if the player is touching them.
Deadly objects kill the player instantly when touched.
Deadly moving moves up and down or left and right. It only has one cell or frame of animation.
Deadly emerging slowly emerges from the surface and only kills the player when emerged.
Borders required to touch: 4
Rank required: 5
Rotated with right click? Yes
Flipped with right click? No
Deadly also needs good visibility.