Dr. Mad
Science-themed payline slot driven by expanding Wild respins
The SlotRanker Score is calculated from the visible data below. It is not affected by affiliate deals, and it cannot be bought.
Why this score
Partial data (57%)Five weighted signals shape the composite. Four context signals refine ties. See how we rate for the full methodology.
Popularity blends real player search demand (~30 markets) with a catalogue-derived proxy; games without measurable search demand use the proxy alone. Not live play telemetry.
SlotRanker Score: 37 — Dr. Mad by KA Gaming
https://slotranker.com/ka-gaming/dr-mad#scoreSlot Summary
How It Plays
Regular play follows a 5x3 payline layout, but the key change occurs when a Wild expands over its reel and prompts a respin.
Expanded Wilds remain relevant during the sequence. If another Wild arrives, it can enlarge the occupied area and extend the reel action again.
Theme & Atmosphere
Science and Futuristic themes frame the game as a laboratory experiment, giving the Wild transformation a clear connection to the subject rather than treating it as decoration.
The mad-scientist setting suits the mechanic's repeated changes: each expanding reel reads as another stage of the same experiment while the payline format stays recognizable.
Features & Win Potential
The Expanding wild with re-spin feature combines substitution and reel coverage. A qualifying Wild occupies its reel before the remaining reels resolve again.
Further Wild Symbol appearances can continue the sequence and preserve previously expanded coverage, allowing the main mechanic to grow without requiring a separate bonus screen.
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Compare Dr. Mad with other games
 Dr. Mad Score 37This game |  Master of Lightning Score 88 |  The Race Score 85 |  Blockchain Megaways Score 83 |  Alive Megaways Score 83 | |
|---|---|---|---|---|---|
| Identity | |||||
| Studio | Popiplay This provider has been reviewed and approved by the SlotRanker team. What does this mean? | ||||
| Released | — | 11/15/2022 | 3/16/2023 | 5/20/2022 | 8/16/2021 |
| Math | |||||
| RTP | — | 98.08% | 96.74% | 96.5% | 96.47% |
| Volatility | — | High volatility | High volatility | Medium volatility | High volatility |
| Max win | — | 10,200× | 24,070× | 40,320× | 10,000× |
| Format | |||||
| Reels | 5 | 5 | 6 | 6 | 6 |
| Layout | 5x3 | 5x4 | 6x7 | 6x7 | 6x7 |
| Paylines | 10 | Pay Anywhere | 117649 | 200704 | 200704 |
| Min bet | 0.5 | 0.2 | 0.2 | 0.2 | 0.2 |
| Max bet | 2000 | 25 | 60 | 10 | 20 |
| Features | |||||
| Progressive | — | — | — | — | — |
| Wild symbol | ✓ | ✓ | ✓ | ✓ | ✓ |
| Free spins | — | ✓ | ✓ | ✓ | ✓ |
| Scatter symbol | ✓ | ✓ | ✓ | ✓ | ✓ |
| Multiplier | — | ✓ | ✓ | ✓ | ✓ |
| Bonus game | — | — | ✓ | — | — |
| Respins | — | — | ✓ | ✓ | — |
Every number is shown as a delta against Dr. Mad.
Questions & Answers
Dr. Mad FAQ
The central feature is an expanding Wild with a respin. When the Wild appears, it expands across its reel and initiates another reel outcome.
Yes. A further Wild appearing during the respin can expand and remain alongside earlier Wilds, allowing the sequence to continue with greater reel coverage.
Dr. Mad is a KA Gaming video slot using a 5x3 layout and 10 paylines. Its cataloged stake range runs from 0.5 to 2000.
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