Every Progressive Prize room at boom casino links a cluster of slot titles to one pool that climbs with each qualifying stake. Pick a room, follow the meter...
Each cluster is built around a single studio, so Pragmatic Play titles feed a Pragmatic Play pool while Hacksaw Gaming, Nolimit City and Relax Gaming each run their own. Room pages publish the seed value, live meter, contribution rate and trigger threshold before you stake.
Rooms differ in pace more than in size, so the right one depends on how you like to stake. We group them three ways: by speed, by studio...
These rooms carry a higher contribution rate, so the meter moves quickly across short sessions. Entry stakes stay modest, which suits a handful of quick rounds on your phone.
Titles such as Sweet Bonanza, Gates of Olympus and Sugar Rush share one pool here, so a stake on any of them feeds the same meter and you can move between them mid-session.
Small stakes feed the pool at the same rate as larger ones, and the trigger rules do not change across bands. That keeps a short session genuinely useful.
boom casino is designed as a fast, mobile-first gaming information hub with clear local payment context and safer access notes.
— boom casino platform teamEvery room runs in the browser, so nothing needs installing before you stake. The meter sits inside the slot frame, portrait play keeps it visible beside your balance...
Pool questions tend to be about numbers rather than games, so our agents keep room rules, contribution rates and trigger thresholds to hand. Chat runs around the clock in English.
Agents answer pool queries at any hour, which matters when a trigger lands late at night. Have your room ID and round reference ready and the check is usually quick.
You can pull a statement showing what each qualifying stake added to a pool, sorted by room and date, which helps when you want to see how a session was counted.
If a trigger looks wrong, send the round ID and we check the pool ledger against the studio result feed, then reply in writing, usually the same day.
The mechanics are simple to state and we publish them in full: who contributed, at what rate, and what must happen before a pool pays. External labs test the random number generation...
Each linked title shows the return-to-player figure taken from the studio's own specification sheet rather than a marketing summary, so you can weigh it up before you stake.
The random number generation that decides every linked result is tested by external laboratories working to published standards, with certificates renewed each year and kept on file for anyone who asks.
Every room states the share of each qualifying stake that routes into the pool, and the figure is shown before you place a round rather than buried in a terms page.
We keep an internal record of contributions and triggers for each room, which lets support rebuild any round you query and cross-check it against the studio's own feed.
The provider behind each cluster is named on the room page, along with the title list that feeds it, so you know which studio's pool you are joining.
If a pool query is not settled by the first response it moves to a senior team within two working days, and you receive a written outcome either way.
Progressive pools are not identical from one platform to the next, and the gaps usually show up in the small print. Here is how our rooms line up...
Strip the rooms back and six traits stay constant across every cluster we run, from the meter sitting in frame to the way a trigger reaches your balance.