Alien Asteroids slot: RTP and max win
Alien Asteroids is a medium-volatility slot by Cascade Gaming on Stake Engine, released 2 Sep 2025. Its base game returns 97.24%, above the median Engine slot (96.02%) and higher than 99% of them. The top payout is 10,000× the bet. It has 2 bonus buys priced at 100× the bet; the best returns 97.32%, so each buy costs 2.68× the bet on average over the long run. It is the No. 5737 most played Engine slot over the last 30 days.
Every mode, side by side
Costs are multiples of the base bet. Odds come from the published outcome table for v69. "Returns the cost" counts rounds that pay back at least what the mode cost. Expected cost is cost × (1 − RTP): the average amount lost per round over the long run.
| Mode | Type | Cost | RTP | Max win | Max win odds | Pays anything | Returns the cost | Expected cost per round | |
|---|---|---|---|---|---|---|---|---|---|
| Base | Base spin | 1.00× | 97.24% | 5,000× | 1 in 50,000 | 1 in 1.34 | 1 in 5.02 | 0.03× base | Simulate |
| Lucky | Base spin | 1.00× | 97.36% | 10,000× | 1 in 100,000 | 1 in 1.89 | 1 in 5.56 | 0.03× base | Simulate |
| Bonus | Bonus buy | 100× | 97.17% | 5,000× | 1 in 50,000 | – | 1 in 2.50 | 2.83× base | Simulate |
| Lucky Bonus | Bonus buy | 100× | 97.32% | 10,000× | 1 in 100,000 | – | 1 in 2.56 | 2.68× base | Simulate |
Work out the cost of Alien Asteroids bonus buys at your bet size
Version history
Base-mode RTP per published math version. Older versions stay public in the fairness API, so changes can be checked.
| Version | Base RTP | |
|---|---|---|
| v69 | 97.244% | Active |
Frequently asked
What is the RTP of Alien Asteroids?
Base spins return 97.24% of the amount wagered over the long run, from the published outcome table for version 69. Its bonus buys return between 97.17% and 97.32%.
What is the max win in Alien Asteroids and how likely is it?
The top payout is 10,000× the base bet. On a base spin the top payout of 5,000× lands 1 in 50,000 spins. In the Lucky Bonus buy (100×) 10,000× lands 1 in 100,000 buys.
Does Alien Asteroids have a bonus buy, and what does it cost?
Yes, 2 buy modes. Bonus: 100× the base bet, 97.17% RTP, an expected cost of 2.83× the base bet per buy. Lucky Bonus: 100× the base bet, 97.32% RTP, an expected cost of 2.68× the base bet per buy.
Is Alien Asteroids high or low volatility?
Medium. Its base-mode standard deviation is 22.5× the bet, which puts it in the middle third of Engine games. What volatility means.
Can I check that a result was fair?
Yes. Engine games use provably fair seeds. Once your server seed is revealed you can replay any round against the published outcome table. See how to verify a result.
Slots with similar math to Alien Asteroids
Matched on volatility, max win, RTP and whether there's a bonus buy. Not on theme.
Ozempic ClimbCascade Gaming RTP97.24%Max win10,000×Volatility
Dont Push the HorsesCreative Synergy RTP97.07%Max win10,000×Volatility
God of DeadCreative Synergy RTP97.07%Max win10,000×Volatility
Hippie PopFASTPLAY RTP97.00%Max win10,000×Volatility
Samurai Dogs UnleashedTwist Gaming RTP97.00%Max win10,000×Volatility
Evil DragonFASTPLAY RTP97.00%Max win10,000×Volatility