Ugga Bugga
- Soft: PlayTech
- Reels / Lines: 3 Reel / 10 Line
- Type: MultiSpin, Video,
- MinBet / MaxBet : $0 - $0
Ultimate Fighters
- Soft: PlayTech
- Reels / Lines: 3 Reel / 8 Line
- Type: Bonus Round, Video, Multi Level, Second Screen Game
- MinBet / MaxBet : $0 - $0
Ultimate Grill Thrills
- Soft: 888
- Reels / Lines: 5 Reel / 20 Line
- Type: Bonus Round, Video, Pick a Box, Second Screen Game
- MinBet / MaxBet : $0 - $0
Ultimate Hot
- Soft: EGT
- Reels / Lines: 3 Reel / 5 Line
- Type: Fixed Lines, Video,
- MinBet / MaxBet : $0 - $0
Ultra Hot deluxe
- Soft: Novomatic
- Reels / Lines:
- Type:
- MinBet / MaxBet : $0 - $0
Under The Bed
- Soft: BetSoft
- Reels / Lines: 5 Reel / 30 Line
- Type: 3D Slot, Bonus Round, Free Spins
- MinBet / MaxBet : $3 - $150
Under the Sea
- Soft: bwin.party
- Reels / Lines: 5 Reel / 30 Line
- Type: Bonus Round, Fixed Lines, Video, Free Spins, Second Screen Game
- MinBet / MaxBet : $0 - $0
Under the Sea
- Soft: 1x2 Gaming
- Reels / Lines: 5 Reel / 25 Line
- Type: Free Spins
- MinBet / MaxBet : $1.25 - $62.5
UnderWater World
- Soft: Sheriff Gaming
- Reels / Lines: 5 Reel / 10 Line
- Type: Bonus Round, Video, On Reel Game
- MinBet / MaxBet : $0 - $0
Unexplained Mysteries
- Soft: Genesis
- Reels / Lines:
- Type:
- MinBet / MaxBet : $0 - $0
Unicorn Legend
- Soft: Amaya
- Reels / Lines: 5 Reel / 25 Line
- Type: Bonus Round, Video, Free Spins, On Reel Game
- MinBet / MaxBet : $0 - $0
Unicorn Magic
- Soft: Novomatic
- Reels / Lines:
- Type:
- MinBet / MaxBet : $0 - $0
Unicorn Reels
- Soft: Wazdan
- Reels / Lines: 5 Reel / 10 Line
- Type: Buy Feature, Jackpot bonus game, Re-Spin
- MinBet / MaxBet : $0 - $0
UnicornLegend
- Soft: Amaya
- Reels / Lines: 0 Reel / 0 Line
- Type:
- MinBet / MaxBet : $0 - $0
Untamed - Bengal Tiger
- Soft: Microgaming, QuickFire
- Reels / Lines: 5 Reel / 243 Line
- Type: All Pays, Bonus Round, Fixed Lines, No pay lines, Video, Free Spins
- MinBet / MaxBet : $0 - $0
Untamed - Giant Panda
- Soft: Microgaming, QuickFire
- Reels / Lines: 5 Reel / 243 Line
- Type: 243 Ways, Advanced, All Pays, Bonus Round, Video, Free Spins
- MinBet / MaxBet : $0 - $0
Untamed - Wolf Pack
- Soft: Microgaming
- Reels / Lines: 5 Reel / 243 Line
- Type: 243 Ways, All Ways Pays, Bonus Round, Video, Free Spins
- MinBet / MaxBet : $0 - $0
USA Poker
- Soft: PlayTech
- Reels / Lines: 3 Reel / 1 Line
- Type: Fixed Odds,
- MinBet / MaxBet : $0 - $0
