SlotCafesIllinois
21+
Slot café

Semper Fi Slots

Legal name: Semper Fi Slots LLC

352 Washington St, Prophetstown, IL, 61277

Historical payout · last 12 months

92.71%

About $92.71 paid back per $100 played · $1.8M played

Year to date

93.10%

9 months

Machines

5 of 6

Reported September 2026

High confidence — Based on 12 reported months and $1.8M played. Confidence reflects how much data supports this figure, not the quality of the venue.All players, state reports through September 2026. Not a prediction of your next visit.Payout history
Google MapsApple Maps

Opening hours and machine availability today aren’t confirmed. Check with the business before visiting.

Location matched to the street address by the U.S. Census geocoder.

Payout history

State reports through September 2026. Past play across all players, not a prediction of your next visit. Amount played includes re-played credits.

The line is observed payout. The bars beneath are how much was played that month — a percentage on a quiet month rests on less evidence.

88.1%93.5%99.0%$213K$106K$0Jun ’24: 88.31% on $130K playedJul ’24: 89.34% on $117K playedAug ’24: 91.28% on $111K playedSep ’24: 91.56% on $140K playedOct ’24: 88.52% on $133K playedNov ’24: 89.20% on $117K playedDec ’24: 92.81% on $104K playedJan ’25: 91.54% on $95K playedFeb ’25: 92.79% on $129K playedMar ’25: 89.59% on $125K playedApr ’25: 93.16% on $127K playedMay ’25: 93.12% on $139K playedJun ’25: 88.32% on $123K playedJul ’25: 92.29% on $103K playedAug ’25: 91.93% on $168K playedSep ’25: 91.44% on $163K playedOct ’25: 95.00% on $183K playedNov ’25: 90.29% on $183K playedDec ’25: 90.54% on $205K playedJan ’26: 92.89% on $144K playedFeb ’26: 92.79% on $146K playedMar ’26: 94.99% on $168K playedApr ’26: 89.46% on $75K playedMay ’26: 89.15% on $88K playedJun ’26: 92.59% on $121K playedJul ’26: 88.57% on $106K playedAug ’26: 98.71% on $166K playedSep ’26: 93.03% on $213K playedJun ’24Nov ’24Apr ’25Sep ’25Feb ’26Jul ’26Sep ’26
View these figures as a table
Monthly amount played, amount won and observed payout.
MonthPlayedWonHistorical payout
Sep ’26$213K$198K93.03%
Aug ’26$166K$164K98.71%
Jul ’26$106K$94K88.57%
Jun ’26$121K$112K92.59%
May ’26$88K$78K89.15%
Apr ’26$75K$68K89.46%
Mar ’26$168K$160K94.99%
Feb ’26$146K$136K92.79%
Jan ’26$144K$133K92.89%
Dec ’25$205K$185K90.54%
Nov ’25$183K$165K90.29%
Oct ’25$183K$174K95.00%
Sep ’25$163K$149K91.44%
Aug ’25$168K$154K91.93%
Jul ’25$103K$95K92.29%
Jun ’25$123K$108K88.32%
May ’25$139K$129K93.12%
Apr ’25$127K$119K93.16%
Mar ’25$125K$112K89.59%
Feb ’25$129K$120K92.79%
Jan ’25$95K$87K91.54%
Dec ’24$104K$97K92.81%
Nov ’24$117K$105K89.20%
Oct ’24$133K$117K88.52%
Sep ’24$140K$128K91.56%
Aug ’24$111K$101K91.28%
Jul ’24$117K$105K89.34%
Jun ’24$130K$115K88.31%
Detailed historical data
PeriodHistorical payoutPlayedConfidence
HIST. PAYOUT · 2026 YTD9 mo93.10%$1.2MHigh confidence — Based on 9 reported months and $1.2M played. Confidence reflects how much data supports this figure, not the quality of the venue.
HIST. PAYOUT · 3 MO.3 mo94.01%$485KMedium confidence — Based on 3 reported months and $485K played. Confidence reflects how much data supports this figure, not the quality of the venue.
HIST. PAYOUT · 6 MO.6 mo92.78%$769KMedium confidence — Based on 6 reported months and $769K played. Confidence reflects how much data supports this figure, not the quality of the venue.
HIST. PAYOUT · 12 MO.12 mo92.71%$1.8MHigh confidence — Based on 12 reported months and $1.8M played. Confidence reflects how much data supports this figure, not the quality of the venue.
HIST. PAYOUT · 24 MO.24 mo92.04%$3.3MHigh confidence — Based on 24 reported months and $3.3M played. Confidence reflects how much data supports this figure, not the quality of the venue.
HIST. PAYOUT · ALL HISTORY28 mo91.79%$3.8MHigh confidence — Based on 28 reported months and $3.8M played. Confidence reflects how much data supports this figure, not the quality of the venue.

More in Prophetstown

Scoops Ice Cream and Grill

110 E 3rd St · Prophetstown

91.26%HIST. PAYOUT · 12 MO.Medium confidence — Based on 12 reported months and $501K played. Confidence reflects how much data supports this figure, not the quality of the venue.

Restaurant
Directions
All places in Prophetstown →

Before you visit

Hours
Not provided. Check with the business before making a trip.
Reported machines
5 in September 2026. This is a historical count, not live availability.
Record source
Address and license details from Illinois Gaming Board records (Establishment, license 220701521). Gaming reports available on this site through September 2026. Latest report for this location: September 2026. How sources are used
Browse more in ProphetstownBrowse Illinois citiesSearch nearby

Own or manage this location?

Claim this business to add photos, hours, amenities, links and business details. Official gaming statistics and result ordering remain independent.

Claim This Business

Figures come from Illinois Gaming Board monthly reports. Full methodology. Must be 21+.