Gates of Olympus
Play casino games free – no sign-up needed
The most popular slots and table games as free demos – with RTP, volatility and a how-to for every game. No real money, no downloads.
Top games
View all →Games by provider
Pragmatic Play (23)
Novomatic (7)
NetEnt (7)
Hacksaw Gaming (6)
Play'n GO (5)
Amusnet (5)
Spribe (4)
Nolimit City (4)
Relax Gaming (3)
Merkur (2)
Push Gaming (2)
Evoplay (2)
InOut (1)
BGaming (1)
SmartSoft Gaming (1)
Galaxsys (1)
Dragon Gaming (1)
Evolution (1)
Big Time Gaming (1)
ELK Studios (1)
Games Global (1)
Bitcoin casino games: what’s behind them?
A bitcoin casino is an online casino where deposits and withdrawals run on cryptocurrencies like Bitcoin instead of francs or euros. The games themselves don’t change: slots, roulette, blackjack and baccarat come from the same studios – with identical RTP and mechanics.
That’s exactly why it pays to try every game for free first: our demos use the same engine that runs in a bitcoin casino. If you understand a game before any money moves, you play smarter – whatever the currency.
Same games, different payment
Bitcoin only changes how you pay – not how a slot works. RTP, volatility and features are identical to the fiat version.
Provably fair & RNGs
Crypto casinos often advertise “provably fair” games whose results can be verified cryptographically. Studio games rely on certified random number generators (RNG) instead – both are fair when properly audited.
Don’t forget the exchange rate
Playing with bitcoin means two risks at once: the game and the price. 100 francs in BTC can be worth more or less tomorrow – one more reason to learn games with play money first.
The legal side in Switzerland
Online casinos need a Swiss licence – foreign bitcoin casinos don’t have one. Our demos are not affected: play money with nothing at stake is not gambling.
Latest guides
View all → Blackjack
Blackjack Strategy Chart: The Right Play for Every Hand
A complete blackjack strategy chart for hard totals, soft totals and pairs, plus how to read it, what it does to the house edge and the 3 costliest errors.
Read guide → GeneralGambling Winnings Tax in Switzerland: What Is Tax-Free and What Is Not
Gambling winnings tax in Switzerland for 2026: casinos, online play, lotteries, foreign operators, the 35% withholding tax and crypto winnings explained.
Read guide → Table gamesCraps Rules Explained: Pass Line, Point and Odds Bets
Craps rules step by step: the come-out roll, Pass Line, the point, the 0% odds bet and a table of the main bets with payouts and house edge.
Read guide →Free tools & calculators
View all →Spin the wheel
Free online spin wheel: add your own entries, spin and let chance decide. No sign-up needed.
OpenRandom number generator
Generate random numbers for free: choose a range and how many, with or without repeats. Ideal for draws and games.
OpenDice roller
Roll dice online: 1 to 6 dice with 4, 6, 8, 10, 12 or 20 sides. Free and instant on mobile and desktop.
OpenCoin flip
Flip a coin online: heads or tails at exactly 50:50. A free coin toss for quick decisions – with a running tally of your flips.
OpenRTP & loss calculator
Shows what a game statistically costs per hour at your stake.
OpenBankroll calculator
How long does your budget last at stake X? Realistic session planning.
OpenRoulette odds calculator
Win probability, payout and house edge for every roulette bet.
Open