Game Information
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Provider
Rabcat
Type
Slots
Reels
5
Min Bet
0.01
Max Bet
2
Max Win per Spin
10000
Restrictions
AF,AR,AU,BG,BI,BN,BR,BY,CA,CC,CF,CH,CN,CO,CU,CX,DE,DK,ES,FR,GB,GF,GL,GP,GR,HK,HM,HR,ID,IL,IN,IQ,IR,IT,JP,KH,KP,KR,LA,LB,LT,LY,MM,MO,MQ,MU,MY,NC,NF,NI,NL,PE,PF,PH,PM,PR,PT,RE,RO,RU,SD,SE,SG,SI,SO,SS,SY,TF,TH,TR,TW,US,VE,VI,VN,WF,YE,YT,ZA
Castle Builder II Slot: Comprehensive Data Analysis
Core Game Specifications
| Attribute | Value |
|---|---|
| Developer | Rabcat / Microgaming |
| Release Date | 2017-07-19 |
| Theme | Medieval, Adventure, Castle building |
| Layout | 5×3 |
| Paylines | 15 |
| Bet Range | 0.15–30.00 |
| Core Mechanics | Interactive level‑based progress, Avatar‑based wilds, Free Spins feature, Royal Wedding bonus, Cup Challenges |
| Provider | Rabcat / Microgaming |
| Platform | Desktop, Tablet, Mobile (HTML5) |
Mathematical & Payout Model
Return to Player (RTP)
96.63%
Volatility
Medium - High
Max Win Potential
10000x
Symbols & Paytable Hierarchy
| Tier | Symbol(s) | Function & Value |
|---|---|---|
| Low Tier | wood, brick, granite, iron ore | Provides small, frequent wins to maintain gameplay. |
| Mid Tier | ring, gold bar, treasure chest | Thematic items offering moderate payouts. |
| High Tier | crown | Highest paying symbols. Top hits available with full combinations. |
| Wild | avatar wild (Sam/Mandy/Igor) | Acts as a substitute / feature trigger per game rules. |
| Scatter | free spins scatter | Triggers free spins / bonus round when enough appear. |
Castle Builder II Bonus Features Mechanics
| Feature | Trigger | Initial Award | Core Mechanic | Enhancement/Retrigger |
|---|---|---|---|---|
| Free Spins | Land 3, 4 or 5 scatters | 10, 15 or 20 free spins | Award spins with building material collection | |
| Royal Wedding | Complete a castle | Choose an admirer for a prize | Prize size increases with progress | |
| Cup Challenges | Collect materials to fill pallets | Advance through Bronze to Platinum challenges | Unlock new building modes and territories |
Frequently Asked Questions (FAQ)
| What is the maximum win in Castle Builder II? | The maximum win is 10000× your stake. |
| What is the RTP of the game? | The RTP is 96.63%. |
| What is the volatility level? | The volatility is medium‑high. |
| Can I trigger free spins? | Yes. Landing 3, 4 or 5 scatters awards 10, 15 or 20 free spins. |
| How do I build castles? | Collect building materials from winning combos to fill pallets and construct castles. |
| Who are the avatars and what do they do? | You choose Sam or Mandy initially; Igor unlocks later. Each acts as a wild with unique features. |
| What happens when a castle is completed? | A Royal Wedding bonus triggers where you choose an admirer for a prize. |
Castle Builder II Performance Summary: Strengths vs. Weaknesses
Strengths
- Unique castle‑building progression adds depth
- High maximum win potential
- Engaging avatar and bonus mechanics
Weaknesses
- RTP varies by version but can be lower than average
- Complex mechanics may overwhelm casual players
Overview
Castle Builder II is a narrative‑driven video slot that combines traditional reel spinning with castle‑building progression. Players collect building materials to construct castles across multiple kingdoms, unlock avatars, and trigger bonus features like Free Spins and Royal Wedding rewards.
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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