Uncle Franks Relic Run slot: RTP and max win
Uncle Franks Relic Run is a medium-volatility slot by Rat Hole Reels on Stake Engine, released 6 Apr 2026. Its base game returns 96.00%, below the median Engine slot (96.02%). The top payout is 5,000× the bet; from a base spin it lands about once every 505,202 spins. It has 3 bonus buys priced at 100× to 300× the bet; the best returns 96.01%, so each buy costs 12× the bet on average over the long run. It is the No. 5508 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 v22. "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% | 5,000× | 1 in 505,202 | 1 in 2.77 | 1 in 8.81 | 0.04× base | Simulate |
| Bonushunt | Boosted spin | 5.00× | 96.00% | 5,000× | 1 in 100,000 | 1 in 3.24 | 1 in 5.73 | 0.20× base | Simulate |
| Freespins | Bonus buy | 100× | 96.00% | 5,000× | 1 in 7,647 | – | 1 in 5.21 | 4.00× base | Simulate |
| Labyrinth | Bonus buy | 200× | 96.00% | 5,000× | 1 in 2,500 | – | 1 in 3.02 | 8.00× base | Simulate |
| Megaspins | Bonus buy | 300× | 96.01% | 5,000× | 1 in 7,001 | – | 1 in 2.53 | 11.98× base | Simulate |
Work out the cost of Uncle Franks Relic Run 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 | |
|---|---|---|
| v22 | 96.000% | Active |
Frequently asked
What is the RTP of Uncle Franks Relic Run?
Base spins return 96.00% of the amount wagered over the long run, from the published outcome table for version 22. Its bonus buys return between 96.00% and 96.01%.
What is the max win in Uncle Franks Relic Run and how likely is it?
The top payout is 5,000× the base bet. On a base spin it lands 1 in 505,202 spins. In the Megaspins buy (300×) 5,000× lands 1 in 7,001 buys.
Does Uncle Franks Relic Run have a bonus buy, and what does it cost?
Yes, 3 buy modes. Freespins: 100× the base bet, 96.00% RTP, an expected cost of 4.00× the base bet per buy. Labyrinth: 200× the base bet, 96.00% RTP, an expected cost of 8.00× the base bet per buy. Megaspins: 300× the base bet, 96.01% RTP, an expected cost of 11.98× the base bet per buy.
Is Uncle Franks Relic Run high or low volatility?
Medium. Its base-mode standard deviation is 13.9× 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 Uncle Franks Relic Run
Matched on volatility, max win, RTP and whether there's a bonus buy. Not on theme.
Brainrot ClashFASM GAME'S RTP96.00%Max win5,000×Volatility
Cut My GemARC Gaming RTP96.00%Max win5,000×Volatility
Origami BloomCartoon Nation RTP96.00%Max win5,000×Volatility
High Roller HeistRedshift Interactive RTP96.00%Max win5,000×Volatility
Gorgons GoldCream Team RTP96.00%Max win5,000×Volatility
Pinball StreetPaperclip Gaming RTP96.00%Max win5,055×Volatility