Megaways Multiverse
Pick a slot and a budget. We play the same session 10,000 times, show you every outcome at once, then drop you into one of them. Free, instant, no sign-up.
Free simulation with no bets and no prizes. It uses a simplified payout model built from RTP and volatility only, not the real maths of any slot, so real sessions will differ. No tool can predict or influence a spin. 18+ only. Gambling can be addictive, play responsibly: GambleAware.
A slot’s RTP tells you what happens over millions of spins. It tells you almost nothing about tonight. This free Megaways simulator fills that gap: choose a slot model, a bankroll, a bet size and a number of spins, and it plays that exact session 10,000 times. You see every outcome on one map, then land in one of those sessions at random and watch how the balance moved spin by spin.
How to use the Megaways simulator
- Pick a slot model. The presets use the RTP and volatility from our reviews, or choose “Custom slot” and enter your own RTP.
- Enter your bankroll, your bet per spin and how many spins you plan to play.
- Press “Play 10,000 sessions”. Each dot on the map is one complete session, coloured by how it ended.
- Read your own result on the right, then tap any dot or press “Land in another universe” to visit a different session.
- Send your universe to a friend. The link reopens the same session, and they can draw their own from the same 10,000.
What 10,000 sessions look like
Here is the tool’s output for a common setup: a $100 bankroll, $1 bets and 200 spins on a 96.55% RTP, high volatility model, the numbers we list for The Dog House Megaways.
| Outcome | Sessions out of 10,000 |
|---|---|
| Finished ahead | 2,583 (26%) |
| Ran out of money before spin 200 | 2,360 (24%) |
| Doubled the bankroll or better | 946 (9%) |
| Typical (median) final balance | $42.04 |
| Best session of the 10,000 | $6,002 |
The formula says 200 spins at $1 with a 3.45% house edge cost about $6.90. The simulation agrees on average, yet the typical session ends $58 down. Both are true at once: a small number of very large wins pulls the average up, while most sessions never see one. That gap between the average and the typical result is what high volatility means in practice.
Volatility changes the session more than RTP does
Keep the budget and the 96.55% RTP the same and change only the volatility setting:
| Volatility | Finished ahead | Ran out early | Doubled up | Median balance | Best session |
|---|---|---|---|---|---|
| Low | 37% | under 1% | 2% | $86.47 | $377 |
| Medium | 37% | 1% | 4% | $82.09 | $769 |
| High | 26% | 24% | 9% | $42.04 | $6,002 |
The expected cost is identical in all three rows. What changes is how it is spread out. Low volatility gives most players a slightly losing session. High volatility gives most players a clearly losing one and a few players a very large win. Almost every game in our Megaways slots list sits in the high group, including Buffalo King Megaways, 5 Lions Megaways and Great Rhino Megaways.
Bet size decides how long the money lasts
Same $100, same 200 planned spins, same high volatility model. Only the bet changes:
| Bet per spin | Ran out early | Spins played on average | Finished ahead | Median balance |
|---|---|---|---|---|
| $0.20 | 0% | 200 of 200 | 27% | $89.16 |
| $0.50 | 0% | 200 of 200 | 27% | $72.34 |
| $1 | 24% | 192 of 200 | 26% | $42.04 |
| $2 | 70% | 133 of 200 | 19% | $1.50 |
| $5 | 90% | 61 of 200 | 9% | $3.11 |
With 100 bets in the bankroll, a quarter of sessions end early. With 20 bets, nine out of ten do, usually within the first 60 spins. If the plan is to play for a set time, the number of bets in your bankroll matters more than which game you open.
Does a lower RTP version matter?
Many Megaways slots ship in several RTP versions and the casino chooses which one to run. Madame Destiny Megaways, for example, exists at 96.56%, 95.70% and 94.63%. Over a longer session of 500 spins at $1 from $100, the model shows the 96.56% version finishing ahead in 21% of sessions and the 94.63% version in 19%, with 68% and 70% of sessions running out of money. In one evening you will not feel the difference. Over a year of play it is the difference between a 3.44% and a 5.37% cost on every bet, which is 56% more. Check the RTP in the game’s info screen before you play, and use the “94.63% version” preset to compare.
How the simulation works
The tool does not copy the reels of any real slot. Providers do not publish their reel strips or symbol weights, so nobody outside the studio can reproduce a game exactly. Instead, each volatility setting uses a payout table we wrote ourselves: a list of win sizes with a probability for each, scaled so the long-run return equals the RTP you enter. In the high setting about one spin in three pays something, most wins are smaller than the bet, and the largest win is several thousand times the bet. The low setting pays on almost half of spins and tops out near 110 times the bet.
That is enough to show how RTP, volatility, bet size and session length interact. It is not enough to predict a specific game, and the presets should be read as “a slot with this RTP and volatility”, not as the game itself. Features such as free spins, multipliers and bonus buys are folded into the win sizes instead of being played out. For the real mechanics of each game, read the review linked under the results. To see how the ways-to-win number is built on each spin, use the Megaways calculator.
What the simulator cannot do
It cannot tell you what your next session will be, find a winning bet size or beat the house edge. Every bet size and session length in the tables above has the same negative expected value per dollar wagered. The useful output is the spread: how likely your budget is to last, how often a session ends ahead, and how rare the wins shown in big-win videos are. If those numbers look worse than you expected, that is the tool working as intended.
Megaways simulator FAQ
Is this a real slot or a demo?
No. It is a maths simulation with no reels, no bets and no prizes. Nothing can be won or lost. Demo versions of the games are on their review pages, starting from our top Megaways slots table.
Why do I finish behind in most universes when the RTP is above 96%?
RTP is an average over all players and all spins. In a high volatility slot a large share of that return sits in rare, very large wins, so the typical session returns much less than 96% and a few sessions return far more.
Are the results the same every time?
For the same slot settings, bankroll, bet and number of spins the 10,000 sessions are always the same, which is why a shared link shows your friend exactly the session you landed in. Which universe you land in is random each time.
Why does my real session look different?
Real games use their own maths and feature sets, and one session is a single draw from a very wide range. The simulator shows the range, not your draw.
What bankroll do I need for a Megaways slot?
There is no safe number, because the expected result is negative at any size. As a guide to session length: in the high volatility model, 100 bets lasted the full 200 spins in about three sessions out of four, and 500 bets lasted in every one of the 10,000.
18+ only. This page is for information and entertainment. Gambling can be addictive; if it stops being fun, stop and get support at GambleAware.