Anyone know the best strategies for the new Dr Slot machine?

Honestly, don't look for a 'strategy.' These machines are purely random. The best thing you can do is manage your bankroll and enjoy the process. Don't chase losses.

Try betting incrementally. Don't jump straight to max bet.

I spent hours on this machine last week, and my biggest takeaway is that the bonus round is heavily influenced by the initial bet size. If you start with a medium bet, you seem to trigger the bonus round more frequently, even if the individual payouts are smaller. I found that betting exactly 75% of the maximum bet gave me the best overall session. I also noticed that if you wait until the machine seems 'cold' (i.e., no wins for several spins), increasing your bet slightly can sometimes trigger a payout cycle. This requires patience and careful observation of the machine's rhythm. It's not a guarantee, but it's the pattern I observed when I was playing for fun and not trying to 'win' a specific amount.

Focus on the variance. Play for volume, not for big hits. Keep the bet low and just ride the spins.

Just bet low and keep going.

My experience suggests that timing is everything. I noticed that if I would play for about 20-30 spins at a consistent, moderate bet, the bonus round tends to activate around the 25th spin mark, regardless of what happened before. It's like the machine has a cycle. I also recommend keeping a small amount of extra credits saved specifically for when the bonus round is triggered, so you don't have to adjust your main bet just to survive the bonus.

The bonus round is all about symbol grouping. Don't just rely on the initial bet. If you see a pattern forming across the reels that suggests a multiplier is about to activate, slightly increase your bet right before that spin. It seems to capitalize on the machine's internal payout logic. Also, never change your bet pattern mid-session; stick to a consistent rhythm for at least an hour to see if a pattern emerges.

Ultimately, remember that these are entertainment devices. While sharing strategies is fun, the house always has an edge. Treat it as a budget activity, set a loss limit, and when you hit it, walk away immediately. That is the only truly reliable 'strategy' for any slot machine.