4x20 Redline Racing slot: RTP and max win
4x20 Redline Racing is a medium-volatility slot by Home Office Studios on Stake Engine, released 10 Oct 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 8,331,702 spins. It has 3 bonus buys priced at 20× to 88× 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. 3400 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 v2. "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 8,331,702 | 1 in 4.00 | 1 in 4.00 | 0.04× base | Simulate |
| Spare Tyre | Boosted spin | 2.00× | 96.00% | 5,000× | 1 in 8,338,177 | 1 in 4.00 | 1 in 5.50 | 0.08× base | Simulate |
| Nitro Start | Boosted spin | 4.00× | 96.00% | 5,000× | 1 in 8,323,553 | 1 in 4.00 | 1 in 5.07 | 0.16× base | Simulate |
| Twin Turbo | Boosted spin | 5.00× | 96.00% | 5,000× | 1 in 8,329,058 | – | 1 in 4.63 | 0.20× base | Simulate |
| Backfire | Boosted spin | 10× | 96.00% | 5,000× | 1 in 8,330,244 | – | 1 in 4.16 | 0.40× base | Simulate |
| Nitro Twin Turbo | Bonus buy | 20× | 96.00% | 5,000× | 1 in 8,342,608 | – | 1 in 3.87 | 0.80× base | Simulate |
| Lock In Gears | Bonus buy | 42× | 96.00% | 5,000× | 1 in 8,332,299 | – | 1 in 2.57 | 1.68× base | Simulate |
| Lock In Laps | Bonus buy | 88× | 96.00% | 5,000× | 1 in 8,367,473 | – | 1 in 2.46 | 3.52× base | Simulate |
Work out the cost of 4x20 Redline Racing 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 | |
|---|---|---|
| v2 | 96.000% | Active |
Frequently asked
What is the RTP of 4x20 Redline Racing?
Base spins return 96.00% of the amount wagered over the long run, from the published outcome table for version 2. All 3 of its bonus buys return 96.00%.
What is the max win in 4x20 Redline Racing and how likely is it?
The top payout is 5,000× the base bet. On a base spin it lands 1 in 8,331,702 spins. In the Nitro Twin Turbo buy (20×) 5,000× lands 1 in 8,342,608 buys.
Does 4x20 Redline Racing have a bonus buy, and what does it cost?
Yes, 3 buy modes. Nitro Twin Turbo: 20× the base bet, 96.00% RTP, an expected cost of 0.80× the base bet per buy. Lock In Gears: 42× the base bet, 96.00% RTP, an expected cost of 1.68× the base bet per buy. Lock In Laps: 88× the base bet, 96.00% RTP, an expected cost of 3.52× the base bet per buy.
Is 4x20 Redline Racing high or low volatility?
Medium. Its base-mode standard deviation is 18.3× 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 4x20 Redline Racing
Matched on volatility, max win, RTP and whether there's a bonus buy. Not on theme.
Camp MysteryOz Studios RTP96.00%Max win5,000×Volatility
Fishing DungeonARC Gaming RTP96.00%Max win5,000×Volatility
Sky PrincessSidequest Studios RTP96.01%Max win5,000×Volatility
MOLFAR9x16 RTP96.00%Max win5,000×Volatility
Ninja CatsSidequest Studios RTP96.00%Max win5,000×Volatility
The VaultSidequest Studios RTP96.00%Max win5,000×Volatility