Here's a look at the top slots in September 2017 (by spins):
RTG
Caesar's Empire
Aladdin's Wishes
Gemtopia
Cash Bandits 2
Achilles
RTG - Australia
Cash Bandits 2
Caesar's Empire
Achilles
Gemtopia
Dragon Orb
Rival
Mystic Wolf
Gold Bricks
Jumping Jaguar
5 Reel Circus
Chariots of Fire
WGS
Ultimate 10X Wild
King Tiger
X Lucky Sevens
Funky Chicken
Triple 10X Wild
Pragmatic Play
Wild Spells
Wolf Gold
Caishens Gold
Hot Safari
Pixie Wings
Betsoft
Frankenslots Monster
Fire & Steel
Charms and Clovers
Good Girl, Bad Girl
The Angler
Microgaming
Thunderstruck II
Thunderstruck
Mega Money Multiplier
Avalon
Game Of Thrones
Betsoft
Frankenslots Monster
Charms and Clovers
Giovanni's Gems
Blood Eternal
Genie's Fortune
Habanero
Scruffy Scallywags
Gold Rush
Queen of Queens II
Indian Cash Catcher
Wicked Witch
Courtesy of the Fair Go, Miami Club, Slotocash, Uptown Aces, Slots Capital, Desert Nights, Black Diamond, Box 24 and Spartan Slots group.
RTG
Caesar's Empire
Aladdin's Wishes
Gemtopia
Cash Bandits 2
Achilles
RTG - Australia
Cash Bandits 2
Caesar's Empire
Achilles
Gemtopia
Dragon Orb
Rival
Mystic Wolf
Gold Bricks
Jumping Jaguar
5 Reel Circus
Chariots of Fire
WGS
Ultimate 10X Wild
King Tiger
X Lucky Sevens
Funky Chicken
Triple 10X Wild
Pragmatic Play
Wild Spells
Wolf Gold
Caishens Gold
Hot Safari
Pixie Wings
Betsoft
Frankenslots Monster
Fire & Steel
Charms and Clovers
Good Girl, Bad Girl
The Angler
Microgaming
Thunderstruck II
Thunderstruck
Mega Money Multiplier
Avalon
Game Of Thrones
Betsoft
Frankenslots Monster
Charms and Clovers
Giovanni's Gems
Blood Eternal
Genie's Fortune
Habanero
Scruffy Scallywags
Gold Rush
Queen of Queens II
Indian Cash Catcher
Wicked Witch
Courtesy of the Fair Go, Miami Club, Slotocash, Uptown Aces, Slots Capital, Desert Nights, Black Diamond, Box 24 and Spartan Slots group.