Tesla’s Invention by Relax Gaming: a 6×5, 15,625-ways slot where collectible power-ups charge an electrified Win Spins feature with 10,000x potential.
Play for Real
Sorry, demo play is not available in your region
Play Tesla's Invention at UK Licensed Casino
Picture Tesla hunched over a workbench in a Victorian basement, copper coils humming, glass tubes glowing faint blue. That’s the staging Relax Gaming uses for Tesla’s Invention, and honestly the lab dressing is nicer than the slot itself usually deserves. Six reels, five rows, 15,625 ways to win, and an RTP that lands at 96.41% in the base game. High volatility, as you’d expect from anything Relax slaps a Win Spins label on.
The hook lives in the left rail. Four little gauges sit there during regular play, each tracking a separate Power-Up: extra Win Spins, additional Wilds, a Symbol Upgrade, and a Multiplier. Land the relevant collectibles during base spins and those gauges charge. Nothing fires immediately. Instead, all that stored voltage discharges the moment two scatters connect, one on reel 1 and one on reel 6, kicking off the Electric Dreams Win Spins. Minimum six free spins, plus whatever Win Spins you banked, and every single spin in the round is guaranteed to pay something. Not a huge amount necessarily, but a hit either way.
Is the guaranteed-win gimmick a real edge or just clever framing? Bit of both, I think. The math still has to add up to 96.41%, so the wins have to be small somewhere to balance the bigger ones. But it does kill that horrible feeling of burning eight bonus spins on dead reels.
If grinding for scatters sounds tedious, the Buy Feature is right there at 88x stake, which is an oddly specific number, probably an electric-current pun. RTP nudges up to 96.64% when you buy, so the math actually rewards impatience here. Stake range runs 0.20 to 100, and the ceiling sits at a clean 10,000x bet.
One genuine gripe. The splash screen is sluggish to dismiss, and the symbols at the lower end of the paytable barely justify a 6-of-a-kind landing, paying as little as 0.4x. So you’re really playing for the feature, not the base game. That’s fine if you know it going in. Less fine if you wanted balanced session variance. For Tesla nerds and Relax fans chasing big-cap upside, though, this one earns its place on the bench.
DISCLAIMER
Respinix.com is an independent platform offering visitors access to free demo versions of online slots. All information on Respinix.com is provided for informational and entertainment purposes only. Respinix.com does not offer any real money gambling game.
GAMBLE RESPONSIBLY
This website is intended for users 21 years of age and older. We encourage all players to gamble responsibly.