
The Riversweeps Referral Code: Why Most Codes Fail
How a Riversweeps referral code actually works, where the real codes come from, and how to spot the fake code listings filling the search results.
By Jarret Smith
2026-09-16
Stacy Carmen
2026-10-06
Content table
Three golden coins land, the music swells, and the screen suddenly changes. Was that a bonus, or just a flashy spin? Here are slot bonus features explained for beginners: wilds substitute for other symbols, scatters pay anywhere and often start free spins, multipliers boost a win, and bonus rounds add pick games, wheels, hold-and-win rounds, and cascading reels. BitSpinWin is a social online casino. We do not make the games mentioned here, and the names below describe how slots work in general. Learn each feature once, and any paytable becomes easy to read.

Most slot bonus features explained in guides get a few lines each and no way to compare them. So start with the table below. It puts every common feature side by side, then points you to the section that covers it properly. If you would like to see these features in action, our list of top-rated slot games is a good place to look after you finish reading.
|
Feature |
What it does |
How it triggers |
| Wild | Stands in for other symbols to complete a line | Lands on the reels during normal spins |
| Scatter | Pays or triggers a feature wherever it lands | Usually 3 or more anywhere on the reels |
| Free spins | A set of spins played without using your balance | Usually scatters |
| Retrigger | Adds extra spins to a round already running | More scatters during free spins |
| Multiplier | Increases the size of a win by a set number | Wilds, bonus rounds or chained wins |
| Pick bonus | You choose items on screen to reveal rewards | Bonus symbols on the reels |
| Hold and win | Special symbols lock in place while you get respins | Enough special symbols in one spin |
| Cascading reels | Winning symbols vanish and new ones drop in | Any winning combination |
| Megaways | The number of ways to win changes each spin | Built into the reels from the start |
| Bonus buy | Lets you enter a bonus round directly | A menu option, where the game offers it |
Keep in mind that each game sets its own rules. A symbol that triggers free spins in one slot may do nothing special in another, which is why the last section of this guide shows you where to check.
If you only learn one feature, make it this one. So, what are wild symbols in slots? A wild is a symbol that replaces other symbols to help complete a winning line. Think of it as a joker card that fills a gap. In most games, it will not replace scatters or bonus symbols, though the rules for each slot confirm that.
Wilds come in several styles, and the name usually tells you what to expect:
Some games also attach a multiplier to a wild, which we cover a little later. Of all the slot bonus features explained in this guide, wilds are the ones you will meet most often, and two slots can both say "wild" on the screen and play very differently.

Wilds help you build lines, but scatters work on their own terms. What is a scatter symbol? A scatter symbol counts wherever it lands, so it doesn't need to sit on a payline. In many games, landing a certain number of scatters, often three, starts a free spins round. Some scatters also pay a small amount just for showing up.
Scatters and wilds are easy to mix up, but they do opposite jobs. A wild helps other symbols connect. A scatter ignores the lines altogether. For that reason, a wild rarely counts as a scatter, so landing a wild next to two scatters usually won't trigger anything. Again, the game's own rules have the final say.
Free spins are the most common bonus feature in slots, and they usually trigger with scatters. Once the round starts, the game plays a set number of spins for you, often with extras such as bonus wilds or higher multipliers switched on. That is why this feature appears in nearly every set of slot bonus features explained online. A retrigger happens when you land the trigger symbols again during the round, which adds more spins to the total. Not every game has one, and some cap how many times it can happen.
Here is a point that confuses many new players. In-game free spins are not the same thing as promotional free play. In-game free spins are part of how a slot is built. Free play is an offer from a site that lets you try games without spending your own balance. If you are new and want to try a few games before anything else, you can create an account and check the current offer on the BitSpinWin sign-up free play page, since details can change over time.

A multiplier increases a win by a set amount. If a win is worth 10 and a 3x multiplier applies, the result is 30. Multipliers show up in a few common forms:
Multipliers are the easiest slot bonus feature to misjudge. They change what a win is worth, but they don't change how often wins happen, and a big number on screen doesn't promise anything. Each game has its own long-run math. If you want to see how features and return percentages fit together, our guide to slot RTP explained breaks it down in simple terms.
Slot bonus rounds are the special screens and mini games that open up when a feature triggers. Free spins are one type, but there are several others, and each of these gets a single line here:
Two more terms belong in this group. Megaways is a reel system where the number of symbols on each reel changes every spin, so the number of ways to win changes too. Bonus buy lets you pay to enter a bonus round directly instead of waiting to trigger it. Not every game or site offers bonus buy, so look for it in the game menu before you assume it is there. Once you can name each of these slot bonus features explained above, new games stop looking like a puzzle and start looking like familiar parts in a new order.

Every slot has a paytable or info screen, usually behind a small "i" or menu icon. This is where the game lists its symbols, its lines, and every feature's rules. When you meet a feature you do not recognize, this is the first place to check, and it is the reason slot bonus features explained in general terms only take you so far.
Check these things first:
A minute with the paytable before you spin saves a lot of confusion later. If you're new to the screen layout, our guide on how to play online slots walks through the basics step by step.
Free spins triggered by scatters are the most common bonus feature. In most games, landing a set number of scatter symbols starts a round of automatic spins, often with extras such as multipliers or bonus wilds. The exact number of scatters needed depends on the game, so check its paytable.
Usually not. In most slots, a wild substitutes for regular symbols but not for scatters or other bonus symbols, because scatters are meant to land on their own. Some games break this pattern, so the paytable is the only place to confirm how a specific slot treats wilds and scatters before you play.
No. In-game free spins are a feature built into a slot, usually triggered by scatters during a normal spin. Free play is an offer from a site that lets you try games without using your own balance. One belongs to the game and the other belongs to the website, so their rules are separate.
A bonus buy lets you pay a set price to enter a bonus round directly, instead of waiting for the symbols to trigger it. It skips the build-up, so it doesn't improve your chances. Not every game or site offers it, and when it does, it appears as a button or menu option.
You can see every feature in the game's paytable or info screen, usually found behind a small "i" icon or a menu button. It lists the symbols, the triggers, and the rules for each bonus round. Reading it before you spin is the quickest way to learn how that slot works, and it fills in what a general guide cannot cover for a specific game.
Responsible play: Slots are meant for entertainment, and outcomes are random, so you can't rely on any feature or pattern to produce a particular result. Set time limits that suit you, take breaks, and stop if play stops being fun. This content is not legal advice.