Key Facts
Grubstake is an online slot from Supergaming with an RTP of 94.50%.
- Provider
- Supergaming
- RTP
- 94.50%
Page updated August 2026
Where to Play Grubstake
Spinchester
9.8
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Game Review
Reviewed by Johnessy
Grubstake is an online slot from Supergaming, with a published RTP of 94.50%.
RTP varies between casino configurations and markets, so check the information screen inside the version you are playing. A maximum-win figure is a theoretical ceiling, not a likely result. How these pages are researched and what the recorded play data does and does not show is set out in our editorial policy.
18+ only. Slot outcomes are random and past results do not make a win more likely — set a limit before you start.
Grubstake FAQ
What is the RTP of Grubstake?+
Grubstake has an RTP (return to player) of 94.50%. RTP is the theoretical percentage of total stakes a slot returns to players over a very large number of spins, as published by Supergaming — individual sessions can land far above or below it.
Who makes Grubstake?+
Grubstake is developed by Supergaming.
Tech Specs
Specs compiled from provider data