Title: Gun Man

Objective: The player has to survive as long as possible while defeating waves of enemies using their guns and weapons.

Gameplay: The player controls a character armed with a gun, moving horizontally across the screen. Enemies will spawn from the right side of the screen and move towards the player. The player has to shoot them to defeat them before they reach the player.

Enemies:

Regular enemies - These are basic enemies that move in a straight line toward the player. They take one shot to defeat.

Fast enemies - These enemies move faster than regular enemies and are harder to hit. They take two shots to defeat.

Armored enemies - These enemies are heavily armored and require multiple shots to defeat. They move slower than regular enemies.

Flying enemies - These enemies can fly over obstacles and are harder to hit. They take two shots to defeat.

Boss enemies - These are large enemies with special abilities. They take multiple shots to defeat and can deal significant damage to the player.

Player abilities:

Rapid fire - Allows the player to shoot faster.

Triple shot - Allows the player to shoot three bullets at once.

Explosive bullets - Causes bullets to explode on impact, dealing splash damage to nearby enemies.

Shield - Provides temporary invincibility to the player.

As the game progresses, the waves of enemies become more challenging, and the player has to use their abilities strategically to survive. The player's score is based on how long they can survive and how many enemies they defeat.