It essentially involves doubling the size of your bet if you lose. The Martingale system is the best-known roulette strategy but also one of the riskiest. Here are some of the most popular strategies players use at roulette sites - note, these apply to even-money outside bets, such as red/black and odd/even. Whether they really help or not, having a system for placing your bets can add a bit of extra excitement to the game. There’s nothing you can do to tilt the odds in your favour in roulette, so common strategies instead focus on managing your bankroll and varying your stakes. Where some casino games require a bit of skill and knowledge, roulette is purely a game of chance. We all have certain guidelines we stick to when playing blackjack, right? Well, roulette is a little different. When you’re playing with real money, it usually pays to have a plan.