Best free "vertical-scrolling" games

VISUAL - In gaming, vertical scrolling is a style where the game world moves up or down on the screen as the player progresses, giving the impression that the character or environment is continuously advancing along a vertical axis. This perspective is often used in shooters, climbing or falling challenges, and arcade-style action games, creating a sense of upward or downward momentum. It emphasizes timing, reflexes, and pattern recognition, as players navigate obstacles, enemies, or hazards that appear from the top or bottom of the screen while the action constantly scrolls in one direction.