A: Game mechanics basically lets you easily adjust a game’s behavior and difficulty to match your audience’s needs. For example:

Customize Challenges:
Decide how many chances a player gets before the game ends You can make the game tougher or more forgiving based on your goals.
Like in this game you can reduce no. of chances to make it tougher - https://games.playzo.io/games/donut-ninja/

Control Game Speed:
Speed up the action for an adrenaline rush or slow it down to make gameplay easier. This includes adjusting things like how fast a character moves or how quickly obstacles appear.
Example in this Pacman game or Run you can increase/decrease the speed of moving character/object to make game difficult/easier
https://games.playzo.io/games/pacman/

Adjust Game Length:
Add or remove levels to create either a quick, fun session or a longer, more immersive experience. More levels can increase the challenge and keep players engaged longer.

Like in this game you can add more levels to increase engagement time - https://games.playzo.io/games/arrow-hit/

In short, these settings allow you to fine-tune the game exactly as per your audience—whether you're catering to players looking for a challenge or those who prefer a more relaxed game.