Velnixa Games · Slot release
Voltage Lab
Voltage Lab is a mad-scientist slot from Velnixa Games with a 90.27% base RTP, a 25,000x maximum win, very high volatility and an extensive menu of paid modes.
By the Reel Bulletin desk · Updated 5 Nov 2026
A cartoon inventor with wild white hair, a bushy moustache, goggles and blue rubber gloves leans over a bubbling green cauldron, holding a gold staff topped by a green crystal. Shelves of coloured flasks, a copper still and walls of purple brick fill out the laboratory, and the buy names keep the experiment theme running.
The base return is 90.27%, and every mode carries the same 25,000x cap. Big Chance is a toggle at 5x the bet (90.33%). Six buys follow: Ultra Chance at 10x (90.28%), Monster Rush at 20x (90.29%), Coin Reactor at 30x (90.26%), Charged Clusters at 50x (90.35%), Specimen Vault at 100x (90.27%) and Reanimation at 500x (90.26%). Returns stay close to 90% throughout, and with very high volatility the top win is a rare event rather than a realistic session target.
Wondering how a session of Voltage Lab tends to go? RTPDaily works out session odds from its sampled maths.
Every way to play
Price and top win as multiples of the bet
| Mode | Price | RTP | Top win | Top win odds |
|---|---|---|---|---|
| Base Game · Base game | 1x | 90.27% | 25,000x | 1 in 1,300,038 |
| Big Chance · Feature mode | 5x | 90.33% | 25,000x | 1 in 300,001 |
| Ultra Chance · Bonus buy | 10x | 90.28% | 25,000x | 1 in 300,001 |
| Monster Rush · Bonus buy | 20x | 90.29% | 25,000x | 1 in 200,119 |
| Coin Reactor · Bonus buy | 30x | 90.26% | 25,000x | 1 in 200,278 |
| Charged Clusters · Bonus buy | 50x | 90.35% | 25,000x | 1 in 200,016 |
| Specimen Vault · Bonus buy | 100x | 90.27% | 25,000x | 1 in 160,006 |
| Reanimation · Bonus buy | 500x | 90.26% | 25,000x | 1 in 160,057 |
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