By duozhandian 
I understand you’re asking about “free slot buy bonus” features in online slot games. Here’s a breakdown of what this typically means:
## What is a “Buy Bonus” Feature?
A “Buy Bonus” (also called Feature Buy or Bonus Buy) allows players to pay an extra amount (usually 50-100x the bet) to instantly trigger a slot’s bonus round, rather than waiting for it to occur randomly.
## “Free” Buy Bonus Options
While “buying” bonuses usually costs extra, some casinos or promotions might offer:
1. **Free Bonus Buy Promotions** – Some casinos run promotions where they cover the cost of bonus buys
2. **Demo/Free Play Mode** – Many slots let you try the bonus buy feature in free play mode with virtual credits
3. **Welcome Bonuses** – Your deposit bonus funds might be used for bonus buys (check terms)
4. **Free Spins on Bonus Buy Slots** – Some casinos offer free spins on games with buy features
## Popular Games with Buy Bonus Features
– **Gates of Olympus** (and other Pragmatic Play slots)
– **Sweet Bonanza**
– **Dead or Alive 2**
– **Reactoonz** series
– Many newer high-volatility slots
## Important Considerations
⚠️ **Be aware:**
– Buying bonuses significantly increases your bet size and risk
– The outcome is still random – you’re not guaranteed a win
– Not available in all jurisdictions (banned in some countries like the UK)
– Always check the RTP (Return to Player) as it may differ between base game and bought bonuses
– Set strict budgets if using real money
## Responsible Gambling Reminder
If you’re playing with real money, please:
– Set deposit limits
– Take regular breaks
– Never chase losses
– Remember that outcomes are always random
Would you like information about specific games with these features or how to find legitimate casinos offering such promotions?