Many casual gamers often confuse two incredibly distinct but closely related strategy genres.

However, over the years, they have diverged into two completely separate evolutionary branches of gaming.
The Old-School Formula
Traditional defense games are almost exclusively single-player experiences focused on surviving against AI-controlled hordes.

The challenge comes from optimizing your maze of turrets and managing upgrades as the waves become progressively harder.
Almost always single-player.You only place buildings.Endless survival modes are common. The Modern Tower Rush
Instead of just defending, players must simultaneously manage an offensive assault against a human opponent's base.

The pacing is incredibly fast, usually locking players into a strict three to five-minute time limit per match.
MechanicClassic TDTower RushCore ObjectiveSurvive all waves without losing livesWin the PvP duelPrimary InteractionManaging trapsCountering enemy pushes Choosing Your Genre
If you prefer a relaxed, puzzle-like experience where you can methodically plan your ultimate fortress, stick to the classics.

The evolution from static defense to dynamic rushing proves that strategy games are constantly reinventing themselves.