Flux is a medium-volatility slots from Thunderkick, released in 2017. It plays across 5 reels, with a published RTP of 96.2% and a maximum win of 2,400× your stake. Try Flux free in demo mode first — no signup, no deposit.
How Flux plays
Flux runs across 5 reels, built by Thunderkick. The free demo above lets you learn the symbols, paytable and feature triggers with virtual credits before you ever risk real money.
What to expect from the volatility
Medium volatility puts Flux in the middle ground — a blend of regular smaller wins and the occasional larger one. It's the most broadly comfortable profile: less punishing than a high-variance game, with more upside excitement than a low-variance one.
Is Flux worth playing?
Published at 96.2% RTP — right around the industry average — Flux pairs medium variance with a moderate 2,400× maximum win. It's a sensible all-rounder for players who want a bit of everything. Whatever the numbers say, the one constant across every slot is the built-in house edge — over time the maths favours the casino, no system changes that, and RTP is a long-run average, not a promise for your session. Play Flux for the entertainment, set a budget before you spin, and treat any win as a bonus.
Tips for playing Flux
- Match your stake to your budget so a cold streak doesn't end the session early.
- Read the paytable in the demo first so you know which symbols and features actually pay.
- Set a firm stop-loss and stop-win — the maths favours the house the longer you play.
Where to play Flux for real money
Top-rated casinos from our independent reviews. 18+. We may earn a commission via these links — it never changes our scoring or order.
Frequently asked questions
What is the RTP of Flux?
Flux has a published return-to-player (RTP) of 96.2%. Some casinos deploy alternative RTP versions, so always check the in-game info screen.
Can I play Flux for free?
Yes — you can play the Flux demo free with no signup and no deposit. Demo play uses virtual credits and pays no real winnings.
Who makes Flux and how volatile is it?
Flux is made by Thunderkick. It is a medium-volatility game with a max win of 2,400×.
More from Thunderkick
Learn the game
Player reviews
✓ Real players · no fakesNo player reviews yet. Be the first to review Flux — your honest take helps everyone.
Free-play results don't reflect real-money outcomes; the house keeps an edge. Play responsibly.

1429 Uncharted Seas
Archie O'Loggins and the Enchanted Masks
Babushkas
Barber Shop Uncut
Big Fin Bay
Birds On A Wire