Reel Genius
Build your own slot machine – then spin it.
Reel Genius lets you design a slot machine your way – symbols, reels, paylines and payouts – and shows the maths as you go. Then play it with free virtual credits. No real money, ever.
- Price
- Free
- Runs on
- Web app
- Made by
- Whetū Labs, Canterbury NZ
What it does
Inside Reel Genius
Build your machine
Pick a theme, 3 or 5 reels, up to 20 paylines and your own symbols.
Set the odds
Choose how often each symbol lands and what it pays.
See the maths
Return, hit rate and top win update live as you tweak.
Wilds and free spins
Turn on a wild and a free-spins scatter.
Play for fun
Free virtual credits – no real money, no prizes, no ads.
Saved on your device
Keep as many machines as you like, copy and tweak them.
A closer look
Screens from Reel Genius
Get in touch
Ask about Reel Genius
Questions about an app, a venue licence, early access or an idea you want built – send a message and a real person replies.
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