I think it took 30-40 minutes or so? Once I got established in my strategy I was zooming through rounds. 

As far as suggestions, I dont really know. You have a unique fusion of genres here, deck builder and incremental game. People are recommending Balatro, but Balatro's more of a rougelike than an incremental, where you try to make the most out of the cards you get in a run and try to build around it. Rougelikes tend to have alot of build diversity, with many different options that can work well given the right circumstances and deck. They're also run-based, where (almost) all of your progress is wiped clean each playthrough.

With incremental games, there usually arent ways you can lose, not doing well just makes it take longer to get to the next unlock. Your progress starts slow, then builds up to that satisfying 'number go up' feeling. Most incrementals have points where your progress starts to plateau and it slows down to a crawl, and at that point another 'layer' gets introduced, adding more mechanics that, again, start slow and build up to even more number go up. A prime example I can think of as a pure incremental game is Antimatter Dimensions. The numbers in that game go absurdly high, and there are multiple different layers of progression which add new mechanics. And each layer incentivizes you to shift your strategy accordingly to help push you past the plateaus. Also, incremental games tend to let players leave and come back, with some sort of offline progress.

With your game, I'm not really sure. There's many avenues you can take here if you plan to keep developing this. You could lean into a more Balatro type game, and make a bunch of different kinds of rocks papers and scissors that have different synergies and a more exponential difficulty that you'll need a strong build to overcome, sort of expecting players to fail at a certain point. You could lean more towards an incremental, and introduce new mechanics once you earn enough money and your progress slows down. Hell, you could even make it a multiplayer game, where you alternate between playing like the current gameplay and matchmaking someone who's at the same-ish progress as you. Sort of like a Super Auto Pets or like Teamfight Tactics or something but with rock paper scissors. Just some ideas, as the current game you have feels like its not quite committed to any one direction past the core loop.

Again, I do think its pretty cool, and I wish you luck with whatever you decide to do :)

hmmm, Maybe add a hard mode where the opponent locks one of your cards. Also I’m not sure if this was intentional,  but when I played the same card as my opponent, (only for rock paper and scissors) if my card’s level was higher I would win, but if their card’s level was higher I would tie.  I think if you wanted to make it a lot harder, you should make that scenario end in a lose, not a tie.

But yeah I did have a really fun time with your game.

Oh also you could use a lot of the boss blinds in Balatro, like force selecting a card or losing 1 hand size.

I agree—making it easier allows more people to enjoy it.

Yeah, synergies are a super essential part of any deck-building game. For example: a "Super Rock" card that also works like a normal rock, but can destroy any other card. Maybe it becomes more powerful the more rocks you have in your hand—encouraging the player to collect as many rocks as possible.

Or a card that destroys your own cards, which sounds bad… but you could pair it with another card that gives you +10 coins when destroyed , also a card that doubles the money you earn in a round ( giving the player the option to farm coins during early rounds )

I could keep going, but it really depends on what kind of gameplay you want to build and what your vision is for the game .

Do you want to add other card types? Things that work completely differently from what you have now—like spells that don't destroy opponent cards in the traditional way? For example: a card that lets you draw two cards (even if your hand exceeds the max hand size), or a card that does the same thing to your opponent.

Do you want to add more mechanics to the battle system you already have?

also your game nature ( being a incremental game ) make it unique and very diffirent than other deck builders

Honestly, my ideas might not even fit your game. I think that's something you never really know until you test it out .

Hope that helps you somehow. I once tried making a deck-building top-down shooter myself… so I really dove deep into the genre and fell in love with it.