It's time to go up against TV's most iconic clock!

You may feel that you are good at crosswords and Sudoku, but the official Countdown App of Channel 4's hit TV show is set to provide the ultimate mental challenge. Compete in all three Countdown disciplines: the letters round, the numbers round and the famous Countdown Conundrum.

Will you be able to generate a nine letter word and achieve the numbers round target before the clock runs down? Finally, with fingers on the buzzer you will need to hold your nerve and find the Conundrum word before your opponent.

• Enjoy the full Countdown experience
• Compete in all three disciplines:
- Ten letters rounds
- Four numbers rounds
- The Conundrum
• Features the 2015 Oxford Dictionary of English
• Play against the CPU (Easy, Normal, Hard or Expert)
• Brand new VS mode for 2 players (on the same device)
• Brand new quick play mode
• Achievements
• Leaderboards
• An almost infinite number of randomised challenges
• Detailed player statistics

Will you cave in under the pressure of the ticking Countdown clock?