Jackpot Farming

Dig up the farm one tile at a time. Every coin, cash pile and chest you find climbs the multiplier ladder. Cash out whenever you like, but dig up a bomb and the round is lost.

How To Play

1. Set your bet with − and +, halve or double it with ½ and 2x, type an amount, or pick one from the list. Bets range from $0.10 to $100.00.
2. Choose the Risk: Low, Medium or High. Higher risk hides more bombs and climbs the ladder faster.
3. Press Play. Your bet is taken and the board's 40 tiles are laid. Until you dig a tile, Cancel returns your bet.
4. Tap tiles to dig them up, or press Random Tile. The row under the board shows the step you've reached and what each step pays.
5. Press Cash Out to take the win for your step. You need at least one step to cash out.

Symbols

• Coin: up 1 step. Cash Pile: up 2 steps. Chest: up 3 steps.
• Bomb: the round is lost.
• Red Poison destroys the last coin, cash pile or chest you found, and Green Poison the last two, taking their steps away.
• Shield: stops the next poison, then it's used up. Shields add up.
• Diamond: an instant 1,000x win.
• Reaching the top step (step 20) wins its multiplier at once. If every tile is dug, the round cashes out at the step reached.

Example: $2.00 at Medium risk. A coin and a chest reach step 4, paying 1.69x. A red poison destroys the chest, back to step 1 (1.08x). Cashing out there wins $2.16.

Winning

• Every tile's symbol is decided when you press Play; digging only reveals it. Each tile is drawn on its own, so the tiles you've dug don't change the odds of the rest.
• When the round ends the whole board is shown, and your win is added to your balance.
• Your bet and risk can't change during a round.

Settings

• The lightning button at the top turns on fast mode: tiles turn over at once, without animations.
• Round History shows your last 50 rounds. Select the details icon to see a round in full, with its whole board.
• Provably Fair shows the seeds every board comes from, so you can check that no board was changed after you bet.
• Disable Animations shows results instantly.
• Space To Bet lets you press Space to play, cancel or cash out.

Return To Player

The theoretical return to player (RTP) is 98.0% with the best possible play, at every risk. Playing to a fixed step returns a little less (about 92.5% to 96%, depending on the risk); digging on while you hold a shield gets closer to 98%. Wins are rounded to the nearest cent.

The maximum win multiplier is 1,000x, from a Diamond at any risk or the top step at High risk.

Closing the game ends your session, and a round still open is lost.

Malfunction voids all pays and plays.

Provably Fair

Every board comes from seeds that are fixed before you bet. The server shows you a hash of its seed up front and reveals the seed itself when you rotate, so you can check that no board was changed after you played.

Active Seeds

Reveal & Rotate Seeds

Rotating reveals the server seed above, then uses the next one with your client seed. Seeds can't change while a round is open. Closing the game deletes its seeds, so reveal them before you leave.

Revealed Seeds

None yet.

How To Check A Round

1. The SHA-256 hash of the revealed server seed must match the hash shown before you bet.
2. Work out HMAC-SHA256, keyed with the server seed, of client seed:nonce:0, then :1, :2 and so on as more bytes are needed. The nonce is the round's number with those seeds, starting at 0.
3. Read the bytes 4 at a time as whole numbers (big-endian, 0 to 2³² − 1).
4. For each tile in turn, from 0 (top left) to 39 (bottom right, reading left to right), take the next number that's below 4,294,000,000 (the largest multiple of a million that fits in 2³²) and divide it by 1,000,000. The remainder picks the tile's symbol from these ranges, in this order: coin, cash pile, chest, shield, diamond, red poison, green poison, bomb. Each range is as wide as the symbol's chance in a million at the round's risk: cash pile 140,000, chest 60,000, shield 50,000, diamond 2, red poison 70,000, green poison 30,000; bomb 100,000 (Low), 150,000 (Medium) or 339,000 (High); coin the rest.
5. Your tiles dug, in order, then pay exactly as the rules say.

Each round's details show its whole board, seeds and nonce, and the game checks every round for you once its seed is revealed.