This is a small game called "Bouncy Ball Adventure", where players need to control a small ball to jump upwards. During the process, they will encounter various obstacles and need to avoid or skip them. Here are the gameplay and rules of the game:

1.After the game starts, players need to control the ball to jump, jump over various obstacles, and ultimately reach the target area.

2.Players can control the ball to jump by clicking on the screen or pressing the spacebar.

3.Obstacles include nails, matchmakers, flying knives, etc. Players need to control the timing and height of jumps based on the different characteristics of the obstacles.

4.If the ball encounters an obstacle, the game fails and needs to be restarted.

5.During the jumping process, players can also collect coins, which can be used to purchase new balls or unlock new levels.

6.The difficulty of the game will gradually increase, and the number and speed of obstacles will become more and faster. Players need to be more flexible and agile in their operations to win.

Jumpball is a simple and fun mini game that can exercise players' reaction ability and operational skills. If you want to challenge higher difficulty games, you can also try faster game modes to make your operations more precise and fast.