Gravity Hole slot: RTP and max win
Gravity Hole is a medium-volatility slot by CrimsonClover on Stake Engine, released 3 May 2026. The top payout is 10,000× the bet. It has 12 bonus buys priced at 25× to 3,889× the bet; the best returns 96.50%, so each buy costs 0.88× the bet on average over the long run. It is the No. 6249 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 v8. "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 | |
|---|---|---|---|---|---|---|---|---|---|
| Easy | Base spin | 1.00× | 96.50% | 1,000× | 1 in 20,784 | 1 in 2.75 | 1 in 2.95 | 0.03× base | Simulate |
| High | Base spin | 1.00× | 96.50% | 10,000× | 1 in 492,693 | 1 in 3.99 | 1 in 4.31 | 0.04× base | Simulate |
| Medium | Base spin | 1.00× | 96.50% | 5,000× | 1 in 102,298 | 1 in 3.21 | 1 in 3.47 | 0.03× base | Simulate |
| Easy Gold | Bonus buy | 25× | 96.50% | 1,000× | 1 in 64 | 1 in 1.16 | 1 in 14 | 0.88× base | Simulate |
| Easy Purple | Bonus buy | 59× | 96.50% | 1,000× | 1 in 23 | 1 in 1.16 | 1 in 12 | 2.07× base | Simulate |
| Medium Gold | Bonus buy | 91× | 96.50% | 5,000× | 1 in 69 | 1 in 1.16 | 1 in 34 | 3.19× base | Simulate |
| Easy Green | Bonus buy | 150× | 96.50% | 1,000× | 1 in 8.15 | 1 in 1.15 | 1 in 7.10 | 5.25× base | Simulate |
| High Gold | Bonus buy | 248× | 96.50% | 10,000× | 1 in 77 | 1 in 1.13 | 1 in 7.04 | 8.68× base | Simulate |
| Medium Purple | Bonus buy | 250× | 96.50% | 5,000× | 1 in 23 | 1 in 1.15 | 1 in 20 | 8.75× base | Simulate |
| Easy Red | Bonus buy | 389× | 96.50% | 1,000× | 1 in 2.86 | 1 in 1.10 | 1 in 2.86 | 13.62× base | Simulate |
| High Purple | Bonus buy | 589× | 96.50% | 10,000× | 1 in 26 | 1 in 1.13 | 1 in 6.35 | 20.62× base | Simulate |
| Medium Green | Bonus buy | 666× | 96.50% | 5,000× | 1 in 8.31 | 1 in 1.14 | 1 in 8.31 | 23.31× base | Simulate |
| High Green | Bonus buy | 1,488× | 96.50% | 10,000× | 1 in 8.82 | 1 in 1.12 | 1 in 4.80 | 52.08× base | Simulate |
| Medium Red | Bonus buy | 1,852× | 96.50% | 5,000× | 1 in 2.87 | 1 in 1.10 | 1 in 2.87 | 64.82× base | Simulate |
| High Red | Bonus buy | 3,889× | 96.50% | 10,000× | 1 in 2.95 | 1 in 1.09 | 1 in 2.95 | 136.12× base | Simulate |
Work out the cost of Gravity Hole 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 | |
|---|---|---|
| v8 | 96.501% | Active |
Frequently asked
What is the RTP of Gravity Hole?
Base spins return 96.50% of the amount wagered over the long run, from the published outcome table for version 8. All 12 of its bonus buys return 96.50%.
What is the max win in Gravity Hole and how likely is it?
The top payout is 10,000× the base bet. On a base spin the top payout of 1,000× lands 1 in 20,784 spins. In the Easy Gold buy (25×) 1,000× lands 1 in 64 buys.
Does Gravity Hole have a bonus buy, and what does it cost?
Yes, 12 buy modes. Easy Gold: 25× the base bet, 96.50% RTP, an expected cost of 0.88× the base bet per buy. Easy Purple: 59× the base bet, 96.50% RTP, an expected cost of 2.07× the base bet per buy. Medium Gold: 91× the base bet, 96.50% RTP, an expected cost of 3.19× the base bet per buy. Easy Green: 150× the base bet, 96.50% RTP, an expected cost of 5.25× the base bet per buy. High Gold: 248× the base bet, 96.50% RTP, an expected cost of 8.68× the base bet per buy. Medium Purple: 250× the base bet, 96.50% RTP, an expected cost of 8.75× the base bet per buy. Easy Red: 389× the base bet, 96.50% RTP, an expected cost of 13.62× the base bet per buy. High Purple: 589× the base bet, 96.50% RTP, an expected cost of 20.62× the base bet per buy. Medium Green: 666× the base bet, 96.50% RTP, an expected cost of 23.31× the base bet per buy. High Green: 1,488× the base bet, 96.50% RTP, an expected cost of 52.08× the base bet per buy. Medium Red: 1,852× the base bet, 96.50% RTP, an expected cost of 64.82× the base bet per buy. High Red: 3,889× the base bet, 96.50% RTP, an expected cost of 136.12× the base bet per buy.
Is Gravity Hole high or low volatility?
Medium. Its base-mode standard deviation is 18.1× 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.