Of course. The term “**Extra Wild Bonus**” isn’t a single, specific slot machine, but rather a **common feature or bonus round** found in many modern video slots. It describes a game mechanic where extra wild symbols are added to the reels, significantly boosting your chances of winning.

Here’s a detailed breakdown of what an “Extra Wild Bonus” typically entails:

### What It Is
During a bonus round (usually triggered by landing 3 or more scatter symbols), the game shifts to a special mode or a new set of reels. The key mechanic is that a large number of **additional wild symbols are added to the reels** for a set number of spins.

* **Wild Symbol:** A symbol that substitutes for all or most other symbols to help form winning combinations.
* **”Extra Wild”:** This means beyond the standard 1 or 2 wilds that might appear in the base game. In this bonus, you might get 5, 10, or even more wilds randomly placed on the reels before your free spins begin.

### Common Mechanics and Variations
1. **Random Wild Additions:** At the start of each free spin in the bonus, a random number of wilds (e.g., 2 to 5) are added to random positions on the reels.
2. **Sticky or Locked Wilds:** The extra wilds might “stick” in place for the entire duration of the bonus round, creating a constantly enhanced grid.
3. **Expanding Wilds:** The extra wilds might be expanding wilds, which cover an entire reel when they land.
4. **Multiplier Wilds:** The extra wilds can come with multipliers (e.g., 2x, 3x), which multiply any win they are part of.
5. **Choosing Your Bonus:** Some games offer a choice between different bonus types. “Extra Wilds” might be one option versus, say, “Free Spins with Multipliers.”

### Example Gameplay
* **Game:** A popular example is *Buffalo* by Aristocrat, which has a “**Free Games with Extra Wilds**” bonus.
* **Trigger:** Land 3, 4, or 5 Buffalo scatter symbols.
* **Bonus:** You are awarded a set number of free spins (e.g., 8, 15, or 20). **Before each spin, 2 to 4 random wild symbols (the “Extra Wilds”) are added to the reels.** This dramatically increases the frequency of winning combinations, especially since wilds often substitute for the game’s highest-paying symbols.

### Why Players Like It
* **High Win Potential:** The density of wilds can lead to the screen filling with winning combinations.
* **Transparent & Exciting:** It’s easy to understand and visually rewarding to see the extra wilds land on the screen.
* **Volatility:** This bonus is often found in medium to high volatility slots, meaning it can deliver significant payouts.

### Popular Slots Featuring an “Extra Wild Bonus” Mechanic
* **Buffalo** (and its sequels like *Buffalo Gold*, *Buffalo Diamond*) – The quintessential example.
* **Dragon Link** series (by Aristocrat) – Often has “Hold & Spin” or bonus features that add extra wilds.
* **5 Dragons** (Aristocrat) – Offers a choice of bonuses, with one being extra wilds.
* **Wheel of Fortune** slots – Some versions include wild-rich bonus rounds.
* **Many games by IGT, Konami, and Ainsworth** use similar “added wilds in bonus” features.

### Key Points to Remember
* **It’s a Feature, Not a Game:** Always check the paytable or help menu of a specific slot to see what its bonus round entails.
* **Randomness:** The placement and number of extra wilds are always random, governed by the game’s RNG (Random Number Generator).
* **Bet Size Matters:** In most games, your winnings during the bonus are based on the bet you were playing when you triggered it.

In short, if you see a slot advertised with an “**Extra Wild Bonus**,” you can expect a free spins round where the reels are supercharged with wild symbols, offering a thrilling and potentially lucrative gameplay experience.