Checked the leaderboard for the euro slot promotion and there are 9 players but only 2 of them qualified for the prize so far. A good chance to jump in obviously but too bad I'm out of btc at the moment. This current result shows that not many players are interested to play your slot game, perhaps you may get better result if you chose different game for this promo.
I'd love to see a promo for blackjack or roulette.
As long as not using their slot game, I believe they will get more participants like what they used to get in the past competitions. Lets wait for the next competition, I hope Coinroyale will have it soon and I also hope once they have new competition there is also more coins to deposit.
What other cryptos would you be interested in as a form of deposit?
LTC, TRON, DOGE. This is my own preferred coins when it comes to gambling activity.