A "strategy video game" is a game genre that requires players to plan and execute decisions to achieve a specific goal. This genre has seen various synonyms over the years as game developers continue to introduce new game mechanics and themes to the mix. Some of the synonyms for "strategy video game" include war game, simulated game, turn-based game, real-time strategy game, and tower defense game. Each of these games requires players to think critically and make decisions based on a set of rules to achieve victory. While the gameplay mechanics may differ, the central concept of strategic decision-making remains essential to every game in the genre.