Free Prize Quiz Site
I love Q LIVE and I know you will too! It's a free live game where you answer trivia questions to win money. Use my code "ancientgleek" to sign up and earn a free life! https://q-live.co.uk/
Dedicated Competition Sites
Below are a list of dedicated competition sites they run various Prize Draws and Instant Wins and are mostly funded by advertising so you will probably have to respond to some offers to complete your entries.