The Spin Lab Slot Demo - Free Play

The Spin Lab slot by NextGen explores a slick sci-fi theme built around electrons, protons, and neutrons. Expect neon visuals, flexible bonus customization, and a smart free spins round where you choose your own perks. The RTP ranges from 95.79% to 95.93% depending on the options you select during the feature. You’ll see scatters to trigger bonuses, wilds to complete wins, and three powerful pick rows that shape your round. Play The Spin Lab online slot on any device and see how the building blocks of matter can build your bankroll.

Built in HTML5, The Spin Lab slot machine runs smoothly in-browser across iOS, Android, and desktop. Load the game to a glowing laboratory interface with fluorescent symbols and a right-hand control stack: main spin, settings, paytable, autoplay, and sound.

Betting Options

• Paylines: 25 fixed
• Coin value: 0.01 – 5.00 (adjust via the turquoise slider)
• Total bet: 0.40 – 200.00 per spin (40 coins per spin at your chosen coin value)
• Autoplay: Up to 100 auto-spins

Open the “i” panel for stake-adjusted payouts and feature info. The upper (grey) slider shows fixed lines; the lower slider sets your coin value.

Key symbol values shown in the paytable (best 5-of-a-kind outcomes):

• Wild (multi-colored): 1,000 coins
• Scatter: 625 coins
• Cube: 800 coins
• Atom: 600 coins
• Molecule: 500 coins
• DNA: 400 coins
• K, A: 200 coins
• J–9: 100 coins

Wins pay left to right across the 25 lines. The wild substitutes for regular symbols (not scatters).

The Spin Lab Free Spins and Bonus Features

Free Spins – The Spin Lab Bonus (Pick 1 From Each Row)

Land 3+ scatters to trigger 5 free spins and choose one modifier from each of the three rows. Your selections determine how the bonus plays and can also nudge RTP up to 95.93%.

Row 3 (Win Engine)

• Pay Both Ways – Lines count left-to-right and right-to-left.
• 2x All Wins – A flat 2x multiplier for every win.
• +5 Free Spins – Start with 10 free spins total.

Row 2 (Wild Enhancers)

• Stacked Wilds – Wilds can land stacked.
• Wild Multiplier – Wilds carry 2x/3x/4x/5x/10x values.
• Extra Wilds – Additional wilds are added to the reels.

Row 1 (Symbol Upgrades)

• Symbol Prizes – One premium (DNA, molecule, atom, or cube) is chosen; each appearance awards an instant prize of 25x, 50x, 100x, 150x, 200x, 250x, or 500x your stake.
• Symbols Stacked – One premium is selected to land stacked during the feature.
• Symbols are the same – All premium symbols are transformed into the chosen symbol.

• RTP: 95.79% – 95.93% (depends on chosen feature set)
• Volatility: Medium–High feel (feature-dependent)

The Spin Lab Verdict

The Spin Lab stands out for its customizable bonus: mix win direction, multipliers, stacked/extra wilds, and premium symbol upgrades to fit your style. The game can deliver 5,000 credits for a five-wild line, with a 10x multiplier that leaps to 50,000 credits. Add in premium Symbol Prizes up to 500x and you’re looking at total potential that can exceed 150,000 credits, depending on stake and picks. If you like to dial in your volatility and chase engineered combos, play The Spin Lab.