While looking at the available rule sheets, I noticed that many of the hand rankings and mechanics seem somewhat arbitrary or inconsistent between versions. The "official" rules, packaged with the Sabacc deck sold at Disney parks, are full of weird inconsistencies if not outright mistakes. Other house rules are mostly based on personal taste or lore assumptions, but even the official Star Wars lore contradicts itself sometimes when it comes to Sabacc.
That made me curious what the game would look like if the structure was derived from actual probabilities and gameplay behavior instead of lore guesses.
My goal here was to keep the Corellian Spike feel and simplicity, while fixing some structural issues in the original Galaxy’s Edge rules, completing and aligning the hand rankings with the actual probabilities, and creating one consistent tiebreaker chain with no exceptions.
I originally just wanted to check a few probabilities, but somewhere along the way that turned into writing a simulator and running millions of simulated Sabacc games, alongside combinatorial calculations of all possible hands. I used that to build a ranking system and a few rule tweaks that try to keep the Sabacc feel while avoiding some of the oddities in the original rules.
A few things popped out pretty clearly once the simulations started running:
- the hand ranking changes quite a bit once you look at the real probabilities
- the usual “low index wins” rule creates a strange incentive: the harder version of a hand is automatically worse
- the common tiebreakers jump to highest positive card too quickly and create ties that shouldn’t really happen
- betting after the dice roll feels much more natural for an actual gambling game
- and I tweaked the dice phase slightly so spectacular hands can actually develop instead of the table getting wiped constantly
The goal wasn’t to replace anyone’s house rules — Sabacc has always been a bit wild-west anyway — but to see what happens if you approach the design from the math side while still keeping the flavor intact.
If anyone wants to dig into the details, I put everything here — the full rules, ranked hands, probability tables, and the reasoning behind the changes: https://corellian.spike.today/
There’s also a downloadable rulebook and reference sheet.
Has anyone here even heard of Corellian Spike Sabacc before or even played it? If so, were you also dissatisfied with what rules were out there so far?
