Beat Them at Their __; Use Their Tactics to Win
Puzzle 4 of Aquarium Easy Pack
Question is: Beat Them at Their __; Use Their Tactics to Win
and the answer is: OWNGAME
Word Meaning:
OWN — Belonging to; possessed; acquired; proper to; property of; titled to; held in one's name; under/using the name of. Often marks a possessive determiner as reflexive, referring back to the subject of the clause or sentence.
Definitions from Wiktionary.