Level

eben

(same height at all places)

konstant

(being unvaried)

Grad

(degree or amount)

Level

(gaming: discrete segment of a game)

Niveau

(distance relative to a given reference elevation)

Niveau

(degree or amount)

Stufe

(gaming: numeric value for something or someone's experience and power)

Wasserwaage

(tool)

ebnen

(to adjust so as to make level)

ebnen

(to destroy by reducing to ground level; to raze)

leveln

(to progress to the next level)

planieren

(to adjust so as to make level)