Game Information
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Provider
Light & Wonder
Type
Slots
Reels
5
Min Bet
0.01
Max Bet
0.5
Max Win per Spin
222125
300 Shields Extreme Slot: Comprehensive Data Analysis
Core Game Specifications
| Attribute | Value |
|---|---|
| Developer | NextGen Gaming |
| Release Date | 2019-03-11 |
| Theme | Ancient Sparta, War & Military |
| Layout | 5×3 |
| Paylines | 25 |
| Bet Range | $0.25–$12.50 |
| Core Mechanics | Battle (free spins) feature with escalating wild multipliers, Buy Pass to enter free spins directly, Gamble feature to double or quadruple wins |
| Technology | HTML5, JavaScript – playable on desktop and mobile |
Mathematical & Payout Model
Return to Player (RTP)
95.29%
Volatility
High
Max Win Potential
17773x
Symbols & Paytable Hierarchy
| Tier | Symbol(s) | Function & Value |
|---|---|---|
| Low Tier | 9, 10, J, Q, K, A | Provides small, frequent wins to maintain gameplay. |
| Mid Tier | Archer, Sword, Ship | Thematic items offering moderate payouts. |
| Wild | Warrior | Acts as a substitute / feature trigger per game rules. |
| Scatter | Shield | Triggers free spins / bonus round when enough appear. |
300 Shields Extreme Bonus Features Mechanics
| Feature | Trigger | Initial Award | Core Mechanic | Enhancement/Retrigger |
|---|---|---|---|---|
| Battle (Free Spins) | 3+ shield scatters or Buy Pass | 5 free spins with 2× wild multiplier | Collect shields to gain extra spins and increase wild multiplier (5× at 2 shields, 25× at 6, 300× at 12) | Additional free spins when re‑triggering during free spins |
| Buy Pass | Player chooses to buy | Pays 60× current bet to enter Battle feature directly | ||
| Gamble | After any win | Guess card color to double or suit to quadruple win |
Frequently Asked Questions (FAQ)
| What is the RTP of 300 Shields Extreme? | The RTP is approximately 95.29% (slightly higher with Buy Pass) ([casino.betmgm.com](https://casino.betmgm.com/en/blog/game-reviews/300-shields-extreme-slot-review/?utm_source=openai), [njcasino.com](https://www.njcasino.com/games/slots/300-shields-extreme?utm_source=openai)) |
| What is the maximum win multiplier? | The maximum win is 17,773× your bet ([casino.betmgm.com](https://casino.betmgm.com/en/blog/game-reviews/300-shields-extreme-slot-review/?utm_source=openai), [njcasino.com](https://www.njcasino.com/games/slots/300-shields-extreme?utm_source=openai)) |
| How do I trigger the free spins feature? | Land 3 or more shield scatter symbols to trigger the Battle (free spins) feature ([casino.betmgm.com](https://casino.betmgm.com/en/blog/game-reviews/300-shields-extreme-slot-review/?utm_source=openai), [casinowow.com](https://www.casinowow.com/games/300-shields-extreme?utm_source=openai)) |
| What does the Buy Pass feature do? | It lets you pay 60× your bet to enter the Battle feature immediately ([casino.betmgm.com](https://casino.betmgm.com/en/blog/game-reviews/300-shields-extreme-slot-review/?utm_source=openai), [casinowow.com](https://www.casinowow.com/games/300-shields-extreme?utm_source=openai)) |
| How does the Gamble feature work? | After a win, you can gamble by guessing card color (double win) or suit (quadruple win), but risk losing the win ([casino.betmgm.com](https://casino.betmgm.com/en/blog/game-reviews/300-shields-extreme-slot-review/?utm_source=openai), [casinowow.com](https://www.casinowow.com/games/300-shields-extreme?utm_source=openai)) |
| How do shield collections work in free spins? | Collect 2 shields for +5 spins and 5× wild multiplier; 6 shields for +5 spins and 25×; 12 shields for +5 spins and 300× ([casino.betmgm.com](https://casino.betmgm.com/en/blog/game-reviews/300-shields-extreme-slot-review/?utm_source=openai), [casinowow.com](https://www.casinowow.com/games/300-shields-extreme?utm_source=openai)) |
| What is the volatility of the game? | The game has high volatility ([casino.betmgm.com](https://casino.betmgm.com/en/blog/game-reviews/300-shields-extreme-slot-review/?utm_source=openai), [online-slot.co.uk](https://www.online-slot.co.uk/online-slots/reviews/300-shields-extreme/?utm_source=openai)) |
300 Shields Extreme Performance Summary: Strengths vs. Weaknesses
Strengths
- Huge maximum win potential (17,773×)
- Engaging free spins with escalating multipliers
- Option to buy into bonus round
- Mobile‑friendly HTML5 design
Weaknesses
- Below‑average RTP (~95.3%)
- High volatility means wins are infrequent
- Max bet is relatively low ($12.50)
Overview
300 Shields Extreme is a high‑volatility 5‑reel, 25‑payline slot by NextGen Gaming. Set in a Spartan battle theme, it features wilds, scatters, a Gamble feature, and a Buy Pass to access the Battle (free spins) feature. Free spins include escalating multipliers up to 300×, enabling a maximum win of 17,773× your bet.
Rachel Pine is our slots expert who has worked in the online gambling industry for 10+ years. Over the course of her career, Rachel has reviewed more than 30,000 slots.
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