Mars Rover That Can Sing Happy Birthday
This page is the CodyCross answer for the clue below from Germany, Group 2188, Puzzle 4 (Martin Luther).
Question
Mars Rover That Can Sing Happy Birthday
Answer
CURIOSITY
Word Meaning:
CURIOSITY — (uncountable) Inquisitiveness; the tendency to ask and learn about things by asking questions, investigating, or exploring.
Definitions from Wiktionary.