Free slot demo · player guide
Experi-mental
Experi-MENTAL is a Bet 25, 243 Ways 3x5 Reel slot game with an Upgrading feature & Expanding Wild feature and a Pick Barrel Bonus. Upgrading feature and Expanding Wild feature happens randomly during any bought game or Free Games.
18+ · free play · no account or deposit
Game details checked 21 Aug 2026How we check games
60-second guide
What matters at a glance
Free play
Play Experi-mental here
Open the game below to check its pace, controls and features. Free play stays on SlotsCollector.
No sign-up · no deposit · full screen available
Look for
Features worth trying
- Game features
Upgrading Feature, Expanding Wild Feature, Pick Bonus, Free Games
Game overview
What is Experi-mental?
Experi-MENTAL is a Bet 25, 243 Ways 3x5 Reel slot game with an Upgrading feature & Expanding Wild feature and a Pick Barrel Bonus. Upgrading feature and Expanding Wild feature happens randomly during any bought game or Free Games. For the Upgrading feature - zapping 9, 10, J, Q, K or A symbols upgrades to one of the following: Test Tubes, Power Switch, Cat, Pug or Man. For Expanding Wild feature – Landing any Wild Brain may expand and replicate an extra 1 or 2 Wilds on reel for bought games and an extra 1, 2, 3, 4 or 5 Wilds on reel for Free Games. Landing 3 on more scatters will trigger Pick Barrel Bonus for which player has the chance to add 5, 10 or 15 extra Free Games. Multiple paylines on multiple Reel Screens during the feature results in some attractive wins! The multiple features will keep player eager to check out what this game has to offer. With a good hit rate in the base game, combined with a feature that happens frequently, this gives you a High Volatility rating.
How it plays
The features that shape the game
Experi-mental is listed as a Slot from Lightning Box.
Game features
Upgrading Feature, Expanding Wild Feature, Pick Bonus, Free Games
Before you play
Does Experi-mental match what you want?
Judge the format and features first. Theme alone tells you very little about how a game feels.
What this game offers
- Slot format from Lightning Box
- High volatility
- Game features
What to check first
- This page lists RTP at 94.47–96.12%; confirm it in the version you open.
- Casino stake limits and feature settings may differ from the free-play version.
- Free play shows the mechanics, but it cannot predict a future result.
Quick answers
Experi-mental FAQ
Clear answers based on the game information and demo status available today.
Can I play Experi-mental for free?
Yes. Select “Play free demo” to open Experi-mental on this page without an account or deposit.
What type of game is Experi-mental?
Experi-mental is listed as a Slot from Lightning Box. The confirmed features are listed above.
What is the RTP of Experi-mental?
The RTP shown for Experi-mental is 94.47–96.12%. A casino may offer a different configuration, so confirm the value in the in-game information screen.
Can I play for real money here?
No. SlotsCollector provides game information and free demos only; it does not accept bets or deposits.
Game facts
Experi-mental numbers and features
These are the details currently confirmed for this game. Check the in-game information before using real money.
Payouts & risk
- RTP options
- 94.47–96.12%
- Volatility
- High
- Bet range
- 0.25 – 70
Reels & wins
- Reel layout
- 5 reels
Bonus features
- Features
- Upgrading Feature, E×panding Wild Feature, Pick Bonus, Free Games
Release & devices
- Release date
- 3 Oct 2024
More to play
More games from Lightning Box
Check real-money availability
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