I have been playing Rollercoin for a while now (before the Seasons started). I bought the season pass for Season 1. Then Season 2 came around and it was insanely overpriced and the daily/weekly quests were way to hard. Then Season 3 came around and I got to say it's really fun to play again.
If you don't know what Rollercoin is, it is a web based game where you play mini games (sub 60 seconds) and you earn mining power. You use that mining power to mine for cryptocurrency. The actual mining is not real mining with CPU/GPU/etc. However the crypto you mine is real and you can withdraw it to your wallet. I have played long enough to testify it is real and I have made 2 successful withdrawals from Rollercoin. You can mine for the ingame crypto called RLT or you can purchase some. With RLT you can buy miners that will increase your mining power without having to play games constantly. That is the short version of how to play.

This is me right now. I am currently mining for RLT and MATIC.
So for Season 3 you get a 'pass' for free but all that means if you are able to get the "FREE" rewards if you hit those levels. They usually all kind of suck but are nice as freebies none the less. You can purchase the upgraded season pass for 99.99 RLT which let's you get ALL the rewards if you get to those levels. There are a total of 30 levels to unlock
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As you can see there are 8 free gifts that anyone can unlock without paying a single dime. Which I got to say if refreshing to see. The bread and butter is those "Exclusive" rewards at every 5 levels. They are exclusive miners that you can only get from the Season Pass.
Here are the daily quests that you can complete for experience points. The third and forth change which games you need to play but each day they are worth the same XP.

From the daily quests I always do the 2 easy ones as seen above that are both worth 1xp each. So easy 2xp per day. I usually also complete 15 games of whichever game is easier to unlock an extra 2xp as well. So 4xp per day from daily quests.
There is a total of 39 xp you can earn each day from Daily Quests if you do them all every day. So that is 273xp/week from daily quests. The Season is 60 days long so that would be 2,340 experience from the daily quests that is possible to obtain.
Also keep in mind that you get login bonuses. So each day you login you automatically get anywhere from 2 to 25 xp. If you login every day for a week you get 80 xp. Over the course of the 60 days that is 660xp just from logging into the game everyday.

Now let's start to do the math here folks. There are 30 levels and each level requires 100xp to unlock it. So 3,000 experience is needed to unlock all 30 rewards, assuming you bought the Season Pass. If you login everyday and complete every daily quest you can get 2,340XP + 660xp which equals 3,000 xp exactly. So if you bought the season pass and have missed even one daily quest then you are not going to unlock all the rewards.
Now if I get 4xp per day from daily quests and login every day during the 60 days that means I am looking at 900 xp or completing level 9 so I would get the free rewards at level 3 and 8 which are both miners.
The other thing that we haven't talked about for this season is that you can get drops from playing games. Every player has the same odds to get a drop so it is fair as to whom gets them. All you need to do is play games.
Here are the drops I have received so far, I have received multiple of them.

This season changes everything in Rollercoin. Because you can start collecting items that you will be able to sell for crypto next season. All those Common Wires, or Fans or miners you get you will be able to sell to other people next season. It is going to change a LOT of things in RollerCoin.
But back to the question at hand. Is the RollerCoin Season Pass worth it? I mean seeing as the total possible amount of XP you can earn is the exact amount you need to unlock every reward, I would say no. Because it is going to end up being the last week of the season and the people who bought the pass are going to start doing the math that they won't get that last miner and so they will pay for the premium pass to unlock everything. And then at that point they have wasted a TON of RLT on it. Then on the flip side of that the exclusive miners look awesome this season lol.
While I am disappointed that free casual players like myself are only going to get 2 free rewards this season I can't complain too much because of the free drops from games.