I'm always on the lookout for new Play2Earn games to try out, this one isn't really new, I seem to have been interested in it a while ago, but I hadn't tried it out.
As the game I'm spending most of my time on at the moment (Outlaw Troopers) is on hiatus, I figured why not, it's a Free2Play so I don't have much to lose but my time.

I'm going to present the game in my own way, after a few days of observation and testing.

It's a virtual mining game in which you can mine different crypto-currencies.
Mining is done in two different ways, with hardware (miners and racks) that you install in your Geek Room (you can see mine in the following image) and by playing little games that give you a temporary hashrate.

Miners and racks can be purchased in the in-game store or on the player-to-player market with in-game currency (RLT), but can also be earned through events and quests. New ones are added every day.
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Numerous retro gaming-style games let you earn hashrate, which is valid for 7 days.
You can also randomly win cryptos including RLTs, elements to upgrade your miners and hashrate boosts lasting 24 hours.
These little games are highly addictive and remind me of the days of console games, particularly Cryptonoid, which is an Arcanoid clone.
You can play in windowed or full-screen mode, and while the first few levels are easy, the challenge quickly mounts, but so do the rewards.
As you can see from the picture, some of them are my favorite, and some are downright unplayable.
The mini-games are part of the daily quests and allow you to obtain additional rewards if you win a certain number of them (achievements), I really like Coin-match and I intend to reach the maximum reward with it.
However, the more you play, the longer it takes for the games to refresh, which limits you, which isn't a bad thing.
You need to play at least one game every day to get free energy for miners.
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The game features seasons that allow you to obtain miners among other rewards, through an XP system that you earn by completing quests and logging in every day.
There's the RST token, which you can mine (I do it) or earn through quests or games, and which gives you access to the season store, which includes upgrade items and miners.
There are also other temporary events offering crafting opportunities or various earnings to explore.

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Let me now turn to the negative side of the game:

The main source for earning RST tokens that allow you to buy equipment and complete quests are the “Offer Walls”.
This is the site's main source of revenue.
The offers are mainly surveys, which can be long and boring, free offers like trying games (PC, mobile) and reaching a certain level, or also paid offers for casinos or online banks.
I personally avoid this source of earnings, even though I've carried out a few surveys that were quite profitable.

The other negative point is the high minimum withdrawal limit for cryptos, which makes it a very long-term game if you don't invest.

To get an idea, I recommend you take a look at this very well-done if not very readable site on earning potential, but there are also plenty of other very useful tools if you try RollerCoin.
https://www.rollerhelper.com/en/calcul_profit.php

By the way, if you'd like to try out this Play2Earn game in Free2Play, I'd like to offer you my affiliation link by clicking on the banner below, which will enable you to win 1000 satoshis BTC as a welcome bonus:

The unaffiliated link is: https://rollercoin.com/

My 2 cents: 

If you like to play free retro games with the opportunity to win cryptos, this may be of interest to you, but do not expect to get rich.

(Cross posted on HIVE blog with French version:)

https://ecency.com/hive-140084/@servelle/test-rollercoin-game-en-fr