This game is genuinely one of the best itch.io games I have played. The only problem is that my trash luck is just so bad lol:(. I got the adchievement for spending 999 quartz before I even got the character. I still dont even have it rn lol. The other adchivement that I havnt been able to unlock is the one for collecting 35 stamino ores, but I think that might just be a skill issue
Thanks so much, that really means a lot!
For the jackpot turtle unlock, there's actually a hidden mechanic that increases your odds if you spin the slots within a single session (without refreshing or closing the browser). I'd recommend saving up around 500-600 Quartz and then doing your spins all at once for the best chance.
As for the 35 restore cell turtle achievement, that one gets easier when you're able to reach deeper levels, since you'll naturally come across more restore cells the further you go.
Hope that helps!