How each game works, what the house edge looks like, and which sites run it well.
Case opening is the front door of almost every CS2 gambling site and the mode most people try first. Site cases aren't Valve cases, though: the operator picks the items, the odds and the price. This guide shows you how to check whether a case is worth opening before you click.
18 sites
In a case battle, two to four players open the same cases side by side and the best total takes every item. The house edge is the same as opening those cases alone, but the swings are far bigger. Here's how the modes work, what the numbers look like and which habits turn battles into a quick way to lose.
17 sites
An upgrader lets you stake a skin or some balance for a chance at a more expensive item. The win chance shrinks as the target gets pricier, and the house edge is built straight into that percentage. This guide shows how to read the numbers and spot a bad upgrade before you press the button.
12 sites
Crash is a multiplier that climbs from 1.00x until it busts at a random point, and you have to cash out before it does. It's simple, quick and played with the whole lobby watching, which is exactly why it eats balances. This guide explains the math every crash game shares and how to play it with your eyes open.
7 sites
CS2 roulette is a stripped-down wheel, usually 15 slots with two colors that pay 2x and a single green that pays 14x. It's the oldest game on most of these sites and still one of the busiest. Here's what each bet really costs and how to spot a wheel that's priced worse than it looks.
10 sites
Coinflip is a straight 50/50 duel against another player, and the site earns its money by taking a fee from the pot. That makes it one of the easiest games on a CS2 site to price. This guide covers how flips are created and settled, what the fee really costs you and the traps worth avoiding.
6 sites
In jackpot, players throw skins or balance into a shared pot and a spinner picks one winner, weighted by how much each person put in. The site takes a cut before paying out. It's the oldest CS gambling format still running, and the math is simple once you see it laid out.
4 sites
Plinko drops a ball through rows of pegs into a line of multiplier buckets, with the big payouts at the edges and the small ones in the middle. The bouncing looks physical and random, but every result follows a simple probability curve. This guide shows how to read a plinko board and work out what it really pays back.
7 sites
Mines hides a set number of bombs on a 5x5 grid, and every safe tile you reveal raises your multiplier. You can cash out after any safe pick or keep going and risk the lot. This guide explains how the multipliers are built and why tile-picking patterns don't help.
8 sites
Dice rolls a number between 0 and 100, and you win if it lands on your side of a target you choose. Lower chances pay more, higher chances pay less, and the house edge sits in the gap between the two. It's the easiest game on a CS2 site to check the math on yourself.
6 sites
Every game on these sites has a house edge, so over time the site wins. Decide on a budget before you deposit, use deposit limits where they exist, and step away the moment it stops being fun.