Sea
Coral Reef
Coral Reef has a 6-by-5 grid instead of reels with lines. Five or more matching symbols that touch side to side or top to bottom pay as a cluster, and winning clusters drop away so that new symbols fall into the 30-cell grid.
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Set the spin cost, then press Spin or the space bar.
Virtual coins only. They cost nothing and cannot be exchanged for money or prizes.
Rules
How Coral Reef plays
- Every one of the 30 cells is filled on its own when you spin, and only the 4 neighbours above, below, left and right count as touching.
- A cluster pays by its size: 5, 6, 7, 8, 10, 12, or 15 and more cells, each step paying more. Pays are in twentieths of the spin cost.
- The oyster pearl is wild: it joins any cluster it touches, can count for 2 clusters of different symbols at once, and has no pay of its own.
- After a win, every cell in a winning cluster is cleared, the symbols above fall and new ones drop in from the top; a new cluster pays at the same rates as the first, with no multiplier.
The feature
Clusters that tumble
Something came back on 1 spin in 1.4 in our test, often less than the spin cost, since a cluster of five low symbols pays a few twentieths of it. The biggest round returned 34 times the spin cost.
What pays
Symbols and pays in Coral Reef
At 100 coins a spin, a twentieth is 5 coins, so a cluster of five sea turtles pays 20 × 5 = 100 coins.
Cluster pays, in twentieths of the spin cost, by the number of touching cells.
| Symbol | 5 | 6 | 7 | 8 | 10 | 12 | 15+ |
|---|---|---|---|---|---|---|---|
 Oyster pearlwild | – | – | – | – | – | – | – |
 Sea turtle | 20 | 25 | 35 | 50 | 90 | 175 | 450 |
 Octopus | 14 | 18 | 26 | 35 | 70 | 130 | 350 |
 Seahorse | 9 | 14 | 18 | 26 | 50 | 90 | 260 |
 Pufferfish | 7 | 9 | 14 | 18 | 35 | 70 | 175 |
 Conch shell | 5 | 7 | 9 | 14 | 26 | 52 | 130 |
 Sea urchin | 4 | 5 | 7 | 10 | 18 | 35 | 90 |
Other bearings
