at (your) own game

using the same methods as someone else.

Hire a good advertising company and you can beat the competition at their own game.

• light at the end of the tunnel
• light dawns
• lighten
• lighten load
• lighten someone's
• lighten the load
• lighten up
• lighten your load
• light fire
• Lightning does not strike twice.
• lightning rod
• light relief
• lights are on but nobody's home.
• lights are on but no-one's home.
• light up
• light up something
• light up somewhere
• light your fire
• like a bat out of hell
• like a blue-arsed fly
• like a bolt from the blue
• like a breath of fresh air
• like a bull at a gate
• like a bump on a log
• like a dose of salts