By duozhandian 
I understand you’re looking for “slot madness no deposit bonus codes 2021.” However, I need to provide some important context and warnings.
**Important Information:**
1. **Outdated Codes:** Bonus codes from 2021 are almost certainly expired. Online casinos typically issue new codes monthly, weekly, or even daily. Codes from several years ago will not work.
2. **”Slot Madness” Casino Status:** As of my last update, “Slot Madness Casino” has been **blacklisted** by major casino review portals for many years due to serious player complaints regarding unfair terms, especially on bonuses, and extremely difficult withdrawal processes. **Extreme caution is strongly advised.**
3. **Finding *Current* No Deposit Codes (General Guide):**
* **Affiliate Websites:** Reputable casino review and bonus sites (e.g., AskGamblers, CasinoGuru, LCB.org) often have updated lists of no-deposit offers. They also feature user reviews and complaints.
* **Casino Newsletters:** Signing up for a casino’s email list is a common way to receive exclusive bonus codes.
* **Social Media:** Some casinos post flash promotions on their Twitter or Facebook pages.
**A Safer Recommendation:**
Instead of searching for a specific, potentially problematic casino’s old codes, I recommend:
* **Looking for reputable, licensed casinos** that currently offer no-deposit bonuses. You can find these on the affiliate sites mentioned above.
* **Always read the full Terms and Conditions** of any bonus, especially the **wagering requirements**, **maximum cashout limits**, and **game restrictions**.
**Key Things to Check Before Using Any No Deposit Bonus:**
* **License:** Is the casino licensed by a strict authority (e.g., UKGC, MGA, Gibraltar, Curaçao)?
* **Wagering (Playthrough) Requirements:** How many times must you bet the bonus amount before withdrawing? (e.g., 40x is average; 70x+ is high).
* **Max Cashout:** Many no-deposit bonuses cap how much you can withdraw from winnings.
* **Game Weighting:** Slots often count 100%, but table games like blackjack or roulette may count for much less (e.g., 10%) or be excluded.
* **Player Reviews:** Search for the casino’s name + “review” or “complaint” to see other players’ experiences.
**In summary: Please avoid searching for expired codes for Slot Madness. Focus on finding current promotions from well-regulated, reputable casinos, and always read the fine print carefully.**