Same provably-fair seed for every player. Pure bankroll-management skill ranks the field. New game every Monday 00:00 UTC.

Weekly challenge

Between weeks

No active challenge right now. A new one starts every Monday 00:00 UTC. Past weeks live in the archive.

Why “same seed for everyone” is the only honest leaderboard format

Every other gambling leaderboard mixes two things that should never mix: luck and skill. When two players gamble on different rounds and one wins more than the other, you can’t tell whether that’s because they made better decisions or because their RNG was kinder. The leaderboard is meaningless.

Our weekly challenge fixes that by giving every participant the same provably-fair seed. The outcomes are identical for every player. The dice rolls, crash multipliers, mine positions — bit-for-bit the same. The only thing that varies between players is decisions: bet sizing, stopping rules, target multipliers. Whoever finishes the week with the highest bankroll didn’t get lucky. They made better decisions against an identical opponent.

How the verification works

The week’s server seed is revealed on the dashboard from day one. That’s not a security hole — it’s the entire point. You can re-derive every single outcome the simulator would produce, sketch out an optimal strategy on paper, and then play the actual sequence. The challenge is a deterministic strategy puzzle, not a guessing game.

After the week ends, every submission is verifiable:

  1. The published server seed plus the (also-public) client seed define the exact byte stream.
  2. The player’s nonces 0 through N define which outcomes their N bets used.
  3. Their bet sizes are submitted alongside their final bankroll.
  4. Re-deriving the outcome at each nonce and applying the submitted bet sizes must produce the submitted final bankroll. If not, the submission was fabricated.

For v1.1 we’ll auto-verify every entry. For now, all submissions are marked unverified until an admin spot-checks. Submissions that don’t reproduce get removed.

Strategic considerations

Since the outcome sequence is fixed, you can game-plan in advance. Some thoughts:

  • The optimal strategy for a deterministic Crash sequence is trivial if you know the future: bet the entire bankroll on each round and cash out one penny before each bust. The game becomes finding that strategy mentally as you play.
  • Real strategy comes from bet-sizing constraints: you don’t have infinite reaction time. Pre-committing to cashout targets and bet sizes that survive the worst run in the sequence is the dominant approach.
  • Use the Monte Carlo simulator to test sizing strategies against your bankroll. The challenge gives you ONE sequence — but the best strategies are robust across many sequences.

Frequently asked questions

Why doesn’t the operator hide the server seed like a real casino?

Because this isn’t a casino — it’s a strategy lab. Hiding the seed would turn the challenge into “guess the outcomes correctly”, which is impossible (the seed is genuinely random). Revealing it makes the puzzle about optimal play against a known sequence — that’s the entire point.

Can I submit multiple times?

You can re-submit, but only your highest final bankroll is kept per browser per week. Submissions are tied to a hash of your IP address. Use a different network if you want to try with a fresh slate.

What happens to my localStorage state at week’s end?

Nothing — your bankroll and bet history stay in your browser. The week’s challenge state is keyed by challenge ID. When a new challenge starts, you get a fresh bankroll for the new sequence.

Why does the game rotate?

Different games reward different strategy types. Crash rewards risk discipline. Dice rewards bankroll sizing. Mines rewards stopping rules. Rotating through all nine over time exposes the full strategy surface — and prevents any single optimal strategy from dominating the leaderboard forever.