Biggest Online Casino 2021 | Top 3

Choosing the biggest online casino is not an easy task. Is it the most popular one? Or the one that has the longest history? Or the one with the biggest number of slot machines and other casino games?

In our rating, we decided to combine all three aspects and rated all casinos according the overall number of members, current popularity and the variety/number of casino games they offer. Here is our updated list of biggest online casinos:

Casino Room

Biggest Online CasinoWith almost 800 casino games by 10 different software providers, Casino Room is the biggest casino online for 2021. It’s been online for over a decade and served millions of players worldwide.

Software: Casino Room features games from NetEnt, Microgaming, WMS, Aristocrat,  NYX, Betsoft, Thunderkick, Yggdrasil, Elk Studios and Evolution Gaming.

  • Deposits and withdrawals in 25 currencies and mmultilingual support.
  • Bonus: 100% up to $/€/£ 500 + 60 Free Spins
  • Get 20 Free Spins just for signing up.
  • Restricted Countries: USA, Denmark, France, Italy, Spain.


Slots LV Casino – Biggest Online Casino USA

SlotsLV CasinoSister to the iconic Bovada and Bodog brands, Slots LV is without a doubt the biggest online casino for US players.

We could list Bovada as well, but Bovada’s main focus is sports and poker, while Slots LV is dedicated strictly to casino players.

  • 250 casino games by RTG, BetSoft and Proprietary software. 
  • Smooth deposits and withdrawals for US casino players.
  • 200% up to $2,000 First Deposit Bonus.


Jackpot City

Best Payout Casino OnlineLaunched in 1998, Jackpot City casino is one of the oldest and most recognizable brands in online gambling.

  • Close to 600 Microgaming casino games.
  • Millions of players worldwide.
  • 97% payout.
  • $/ 1,600 Welcome Bonus
  • Restricted Countries: UK, USA


Biggest Online Casino 2021 | Top 3 was last modified: February 24th, 2021 by Mark Cesley