Game Information
Provider
Peter & Sons
Type
Slots
Theme
Halloween
Zombies at the Door Slot: Comprehensive Data Analysis
Core Game Specifications
| Attribute | Value |
|---|---|
| Developer | Peter & Sons |
| Release Date | March 25, 2021 |
| Theme | Horror, Zombie apocalypse, Post‑mine survival |
| Layout | 5×3 (expands to 5×4 and 5×5 in bonus rounds) |
| Paylines | 20 (expands to 40 and 60 in bonus rounds) |
| Bet Range | 0.20 to 40 units |
| Core Mechanics | Grid expansion in bonus rounds, Quick Hit instant win on scatter on reel 5, Free Spins and Super Free Spins, Wild and Scatter symbols |
| Developer | Peter & Sons |
| Platform | HTML5, multi‑platform (desktop and mobile) |
Mathematical & Payout Model
Return to Player (RTP)
96.50%
Volatility
Medium
Max Win Potential
9500x
Symbols & Paytable Hierarchy
| Tier | Symbol(s) | Function & Value |
|---|---|---|
| Low Tier | 10, J, Q, K, A | Provides small, frequent wins to maintain gameplay. |
| Mid Tier | Axe, Shovel, Shell/Cartridge, Raven | Thematic items offering moderate payouts. |
| High Tier | Zombie Miner male, Zombie Miner female, Old Prospector | Highest paying symbols. Top hits available with full combinations. |
| Wild | Biohazard/zombie emblem | Acts as a substitute / feature trigger per game rules. |
| Scatter | Green zombie head | Triggers free spins / bonus round when enough appear. |
Zombies at the Door Bonus Features Mechanics
| Feature | Trigger | Initial Award | Core Mechanic | Enhancement/Retrigger |
|---|---|---|---|---|
| Quick Hit | Scatter on reel 5 | Instant win on high‑value symbols | ||
| Free Spins | Collect 5 scatters | 10 free spins | Grid expands to 5×4 with 40 paylines | Allows further scatter collection |
| Super Free Spins | Collect 5 scatters during Free Spins | 10 additional free spins | Grid expands to 5×5 with 60 paylines | Maximizes win potential |
Frequently Asked Questions (FAQ)
| What is the RTP of Zombies at the Door? | The RTP is 96.50%. |
| What is the volatility level? | The volatility is medium. |
| What is the maximum win multiplier? | The maximum win is 9500× the stake. |
| How do bonus rounds expand the grid? | Free Spins expand the grid to 5×4 with 40 paylines and Super Free Spins expand it to 5×5 with 60 paylines. |
| What does the Quick Hit feature do? | When a scatter lands on the fifth reel it awards an instant win on high‑value symbols. |
| What symbols act as wild and scatter? | The wild is a biohazard/zombie emblem and the scatter is a green zombie head. |
| What is the bet range? | The bet range is from 0.20 to 40 units. |
Zombies at the Door Performance Summary: Strengths vs. Weaknesses
Strengths
- Innovative grid expansion mechanics
- High maximum win potential
- Atmospheric horror theme and audio
Weaknesses
- Base game payouts are modest
- Bonus features require scatter collection which may be slow
Overview
Zombies at the Door is a horror‑themed video slot by Peter & Sons released in March 2021. It features a 5×3 base grid with 20 paylines that expand to 40 and 60 during Free Spins and Super Free Spins. The game includes wilds, scatters, a Quick Hit instant win feature, and layered bonus rounds with grid expansion.
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