About this Slot
Happy Prison by True Labs is a slot game with an RTP of 96.07%.
Happy Prison Community RTP
Real RTP estimated from rounds contributed by the community, across all uploaders.
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Happy Prison RTP Calculator
Happy Prison has a theoretical RTP of 96.07%. Use the calculator below to estimate your expected return, variance range and risk of ruin over any number of spins.
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Play on Stake*Frequently asked questions about Happy Prison
An RTP of 96.07% means Happy Prison is built to pay back around 96.07 for every 100 wagered over millions of spins. Any single session can land far above or below that - use the RTP calculator on this page to model your own bet size and spin count.
Over the long run Happy Prison's house edge is about 3.93% of everything you wager - roughly 3.93 lost per 100 staked. Short sessions vary widely; the calculator above shows the expected loss and variance range for your inputs.
