If you can't decide what numbers to play you can use this app. It randomly generates five numbers between 1 and 50, and two numbers between 1 an 10.
Other
Vienna Jigsaw 
Coolie No1 
Mr Flap 
Halloween Monster 
House Full of Bugs 
Kitty Land Memory Game 
Crazy Turret Defense 
SSSG 9 Rooms 
Meadow Secret Escape 
Frozen Princess 
Dhoola Saga 
Ninja Defense 
Funny Halloween Puzzle 
Valentine Cupid House 
Electric Tram Prague 
Snatch Room Episode One 
Idle: Click him 
Halloween Explorer 
Green Valley Escape 
Lighthouse Mystery 
Escape From Death House 
Hippo Chef 
Three Life Points 
Tbilisi Jigsaw 
Inkthings 
Pictured Rocks 2 Jigsaw 
Grease Monkey 
Moving In 
Secret Agent Street Fight 
Xmas Furious 
Battalion Landing 
Patih Araya Demo