Keno is an online game where you choose from 1 to 10 numbers from a set of 80 numbers (1-80). To win, your chosen numbers should match the numbers drawn.
Here is the Keno prize layout:
You can play up to P27,500 per playslip or 2,750 columns. One column is one P10-play. Your winnings are multiplied by the number of columns you play.
You can read the official PCSO description of the Keno game here: http://www.pcso.gov.ph/keno.html