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B2B iGaming game studio

Pinball games, built on math you can check.

Orrery Studio designs and engineers original casino games for operators and aggregators. Our first title, Flip Flap, is a pinball game where every run is simulated in advance and verified before release.

Flip Flap in Multiball mode: three balls on the table
Play demo
Flip FlapPre-release
RTP
96.50%
Max win
5,000x
Hit rate
1 in 2.56
Modes
2

Game library

One title so far

Each game ships with its math report and review event ids. New titles appear here when they pass the same checks.

All games
Flip Flap in multiball: the split-flap board reads EXPRESS 200x, two balls on the table, ladder at x3
PinballPre-releaseBuy feature

Flip Flap

Single-player pinball in a 1960s railway hall.

RTP
96.50%
Max win
5,000x
Hit rate
1 in 2.56
Modes
2

How we build

The work you can audit

  1. 01

    Simulated before it ships

    Every Flip Flap run is simulated offline at 600 Hz and stored as keyframes. Players watch a recorded run, so nothing drifts between browsers.

  2. 02

    Exact RTP, not rounded

    Run weights are integers over 2^50. The return is 96.500000% in both modes, checked by our verifier and by Engine’s own math-sdk code.

  3. 03

    Every book replayed

    All 363,600 books are played through the game client before upload. The win counter must end on the book’s payout.

  4. 04

    Original and clean

    Art is drawn in code, fonts are SIL OFL, the build ships no copyleft code and makes no external requests.

Math at a glance

Flip Flap, by the numbers

Full math
ModeCostRTPPaying runsMax winMax win frequency
Base1x96.500000%1 in 2.565,000x1 in 1,249,000
Multiball100x96.500000%every run (min 5x)5,000x1 in 9,014
Source: Flip Flap math report, verified 7 Oct 2026. In-house verification with Engine’s math-sdk as a second check; not a lab certificate.

Integration

Two ways to run our games

Through Engine

Flip Flap is built to Engine’s RGS: books, lookup tables and a static front end under 3 MB with no external requests.

Pre-release

Direct API

For operators who connect our game server themselves: sessions, transfer wallet, free bets, hot limits and public fairness checks.

Draft v0.1Read the docs

No awards. No certificates we don’t hold.

We are a new studio. Instead of badges we publish what you can check yourself: the math report, the review event ids and the replays behind them.