RubyPlay · Aug 29, 2026
Bull Fever strikes a solid balance between risk and reward with Medium volatility and 96.57% RTP.
Looking for a Medium volatility slot with strong returns? Bull Fever by RubyPlay delivers a 96.57% RTP with up to 4,273x your stake.
The slot draws inspiration from exploration and adventure.
Key features include Wilds, Free Spins with Expanding Wilds and Link It Up Re-spins.
Players choose Bull Fever for its high 96.88% RTP, 33.79% hit frequency, and 243 ways structure that balances frequent wins with high volatility excitement. The bullfighting theme, expanding wilds in free spins, and Link It Up collection feature with jackpot potential provide distinctive engagement over standard slots.
The Link It Up feature locks red cape prize symbols for three re-spins, allowing collection toward filling all reels to spin a major prize wheel.
High variance demands patience — budget 400-600x your bet to weather dry spells and reach bonus rounds.
RTP of 96.57% is +0.42% above the market average (96.15%), placing it in the top tier for player returns.
High variance with big win potential
★★★★ 4.8/5 — 200% up to $1,000
★★★★ 4.7/5 — 300% First Deposit Bonus
★★★★ 4.5/5 — 100% up to €100
| Provider | RubyPlay |
| RTP | 96.57% |
| Volatility | Medium |
| Max Win | 4,273× |
| Hit Frequency | 20-25% |
| Math Profile | Steady Returns |
| Value Score | 78.7/100 |
| Risk Index | 4.7/10 |
| Win Potential | 6.2/10 |
| Bankroll Rating | 4.1/10 |
119 slots, avg RTP 96.64%
Theme Browse Adventure slots4035 Adventure slots available
Volatility More Medium volatility slotsBrowse all Medium volatility options
Rtp Top RTP slotsAll slots with exceptional return rates
Bull Fever has an RTP of 96.57%, which is above average compared to the industry standard of ~96%. For every $100 wagered, the theoretical return is $96.57 over extended sessions.
Bull Fever has Med-High volatility, meaning it offers a balanced mix of frequency and size.
The maximum win potential is 4,273x your total bet.
Bull Fever was developed by RubyPlay. Explore all RubyPlay slots in our provider directory.
Bull Fever has a Value Score of 78.7/100, which is good. This score combines RTP, volatility, and max win into a single metric.
Many online casinos offer a demo mode for Bull Fever where you can play with virtual credits before wagering real money.
Bull Fever has a Risk Index of 4.7/10, making it moderate-risk. Relatively gentle on your bankroll.
| Bankroll | — |
| Return | — |
| Risk | — |
Whether you're chasing the 4,273x max win or enjoying the base game, Bull Fever offers a well-crafted slot experience.