CS:GO skins are weapons with different textures that can be used in-game. They are only cosmetic, so they don't give any in-game adventage.
Counter-Strike: Global Offensive had an update in 2013 which introduced skins. This update created CS:GO economy and soonly people started trading their skins for profit. Soonly websites appeared in which users could gamble their skins and potentially win more. It became so popular that huge youtubers were promoting CS:GO gambling websites for money. In March 2018 VALVE decided to shutdown CS:GO gambling websites, so they banned steam accounts that were used as bots for sending trade offers with winnings and deposits and added 7-day trade hold. It wasn't a end of the skins gambling. Many sites were created for DOTA2 skins and other steam in-game skins that weren't affected by 7-day trade ban. Recently VALVE decided to also put 7-day trade ban on DOTA2. Despite of that, CS:GO betting sites owners found a way to omit VALVE TOS and they are still offering possibility to bet and withdraw CS:GO skins on their websites.
This is the most popular casino game. You will find it on most of the CS:GO casinos. The most popular roulette version that you can find on CS:GO gambling websites is one with three colors in it. Red and black with 2x multiplier and green with 14x multiplier. It's simple, you bet on choosen color, and if it lands on your color, you receives multiplier for this color.
Jackpot is a game mode in which players can deposit skins into the pot. Their percentage of winning depends on the value of skins they put and value of total pot. If you deposit $2 and the pot is $10, you will have 20% to win the pot.
Crash is a game mode in which, you can choose the multiplier and the amount of your bet. If multiplier of round is equal or higher than choosen by you, you win that multiplier. It can crash any time, most of the time it will be 1-3x but sometimes it goes even to hundredths multipliers.
Slots are the most popular casino machine. You can select amount you bet and spin reels. The machine pays off if there are pattern formed from symbols visible on the reels.
Most of the CS:GO gambling websites provides affiliate codes that can be used by new users. By using code user will receive some kind of bonus, for example few percentages deposit bonus or free coins. We are trying to list here CS:GO gambling sites that offers bonuses to new users.
Match betting is one of the better casino game, where you can bet on your favourite team or player. Odds depends on the amount of people betting on certain team. When you are betting on matches you are sure that casino can't rigg result of the rund, because everything depends on the players of the team that you bet on. You can bet on sports and e-sports matches, but mostly popular on csgo gambling sites is esport betting. On some sites you are also able to bet with handicaps of rounds, maps or just bet that team will win first map in BO3. In some sites you can also bet on multiple matches, the more matches you bet on, the higher possible win.