1. Slot Tournaments: Players spin the reels of selected slot games to accumulate points based on wins, multipliers, or other criteria.

2. Table Game Tournaments: Games like blackjack, poker, and roulette often have tournaments where players compete to achieve the highest chip count or score. Players are more likely to play tactically in these types of tournaments.

3. Live Casino Tournaments: Live dealer games are increasingly featuring tournaments, where players can interact with a dealer and other participants in real time.

4. Prize Pool Tournaments: The total prize pool increases as more players enter, making the rewards even more appealing.

1. Registration: Players need to opt in or register for the tournament through the online casino platform. Some tournaments may require an entry fee, while others are free to enter and based purely on gameplay in qualifying game types, during a predefined period.

2. Gameplay: Participants play the designated games to accumulate points based on the tournament’s scoring system. Points might be awarded for factors such as:
- Total wins
- Largest single spin win
- Most consecutive wins
- Volume of gameplay  

3. Leaderboard: An in-game leaderboard tracks and displays the rankings of all participants in real time. This adds to the excitement and encourages players to improve their performance and helps to increase game or brand loyalty.

4. Prizes: At the end of the tournament, prizes are distributed to the top-ranking players according to the prize structure. Rewards may include cash prizes, free spins, or other bonuses.

- Fixed or Dynamic Prize Pools: Some tournaments have a predetermined prize pool, while others grow based on the number of participants or entry fees collected.

- Time-Limited Events: Tournaments are held over specific periods, ranging from a few hours to several weeks.

- Accessibility: Most tournaments are designed to cater to players of all skill levels, making them a fun and inclusive experience.

- Transparent Rules: Online casinos typically provide clear rules and criteria for scoring, ensuring fairness. This includes an in-game scoreboard to track current status.

1. Enhanced Gameplay: Tournaments add a layer of excitement and competition beyond regular gameplay.

2. Opportunity to Win Big: Players can win significant prizes without necessarily requiring to bet with higher stakes.

3. Social Interaction: Leaderboards can help to foster a sense of community and friendly competition amongst participants.

4. Discover New Games: Tournaments often feature a variety of games or can specifically showcase games, giving players a chance to try something new.