4 Wolf Drums — Bonus Features
4 Wolf Drums's bonus features explained. Check the game rules for detailed mechanics and trigger conditions.
All Features
Hold and Win Bonus
TriggerFill any one of the three Drum Metres completely. Green Drum needs 8 bonus symbols. Blue needs 10. Red needs 12. Each bonus symbol landing on the grid fills one unit of its corresponding drum.
Drum Metres System
TriggerBonus symbols of matching color land on the reels during base game spins. Each symbol fills one unit of its corresponding Drum Metre.
Mirror Expansion
TriggerMirror symbol lands during an active Hold and Win round (random appearance on any respin).
Master Drum
TriggerActivates randomly during Hold and Win (separate from Mirror). Can trigger multiple times per round.
Buy Feature Options
| Option | Cost | RTP | Avg Return | Risk |
|---|---|---|---|---|
| Bonus Buy | 100x | 95.68% | ~70x | High |
Trigger Probabilities
Base Game
Any bonus trigger~1 in 150-200 spins
Premium featureRare — check game info
Win Milestones
Any paying spin~25-35%
Win over 10x~1 in 40-60 spins
Win over 100x~1 in 800-2,000 spins
Max win (5,000x)Extremely rare