Cosmic Crew slot: RTP and max win
Cosmic Crew is a medium-volatility slot by Lucid Gaming on Stake Engine, released 15 Aug 2026. Its base game returns 96.00%, below the median Engine slot (96.02%). The top payout is 30,000× the bet, bigger than 83% of Engine slots; from a base spin it lands about once every 3,000,006 spins. It has 4 bonus buys priced at 20× to 500× the bet; the best returns 96.00%, so each buy costs 0.80× the bet on average over the long run. It is the No. 3208 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 v5. "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× | 96.00% | 30,000× | 1 in 3,000,006 | 1 in 3.44 | 1 in 6.86 | 0.04× base | Simulate |
| Ante | Boosted spin | 3.00× | 96.00% | 30,000× | 1 in 1,000,000 | 1 in 3.25 | 1 in 22 | 0.12× base | Simulate |
| Guaranteed Bomb | Boosted spin | 10× | 96.00% | 30,000× | 1 in 300,000 | 1 in 2.00 | 1 in 7.25 | 0.40× base | Simulate |
| Multiplier 16x | Bonus buy | 20× | 96.00% | 30,000× | 1 in 150,000 | 1 in 3.00 | 1 in 4.11 | 0.80× base | Simulate |
| Bonus Small | Bonus buy | 100× | 96.00% | 30,000× | 1 in 30,000 | – | 1 in 2.86 | 4.00× base | Simulate |
| Bonus Big | Bonus buy | 300× | 96.00% | 30,000× | 1 in 8,694 | – | 1 in 2.37 | 12.00× base | Simulate |
| Multiplier 256x | Bonus buy | 500× | 96.00% | 30,000× | 1 in 6,000 | 1 in 3.00 | 1 in 4.16 | 20.00× base | Simulate |
Work out the cost of Cosmic Crew 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 | |
|---|---|---|
| v5 | 96.000% | Active |
Frequently asked
What is the RTP of Cosmic Crew?
Base spins return 96.00% of the amount wagered over the long run, from the published outcome table for version 5. All 4 of its bonus buys return 96.00%.
What is the max win in Cosmic Crew and how likely is it?
The top payout is 30,000× the base bet. On a base spin it lands 1 in 3,000,006 spins. In the Multiplier 16x buy (20×) 30,000× lands 1 in 150,000 buys.
Does Cosmic Crew have a bonus buy, and what does it cost?
Yes, 4 buy modes. Multiplier 16x: 20× the base bet, 96.00% RTP, an expected cost of 0.80× the base bet per buy. Bonus Small: 100× the base bet, 96.00% RTP, an expected cost of 4.00× the base bet per buy. Bonus Big: 300× the base bet, 96.00% RTP, an expected cost of 12.00× the base bet per buy. Multiplier 256x: 500× the base bet, 96.00% RTP, an expected cost of 20.00× the base bet per buy.
Is Cosmic Crew high or low volatility?
Medium. Its base-mode standard deviation is 21.8× 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.
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