Blontops is an action game, where the player tries to explode the incoming balls, before they hit the bottom of the screen.

• "q":"Use slowdown powerup"
• "e":"Use exploder powerup"
• "space":"Explode highlighted balls"
• "fire":"space"
• "jump":"na"
• "p":"Pause/unpause"
• "r":"Use selector powerup"
• "esc":"Quit game"
• "w":"Use paint powerup"
• "movement":"mouse"

Highlight the incoming balls by clicking on them. Then, press space to explode the highlighted balls. Only one color of balls can be selected at a time, unless special balls are used. So, clicking on a ball with a different color will unhighlight the previous selection.