Coin Master Spins, Coins, Tactics & Rewards – All in One Place!
English
▼
-
English
-
German
Our Service & Guides 2026:
🔗 Daily updated links for Spins & Coins
⚡ Various Speeders available for direct download
💡 Strategy tips for efficient gameplay
📅 Information about all ongoing events
🏠 Village Costs: Plan your next upgrade in detail.
🐾 Pet Costs: Use food & XP optimally.
🏰 Castle Event Costs: Invest strategically.
⏰ Start Times: Keep track of all side events.
Coin Master Merge Haven Calculator [ 13 Stages ]
The Lightning Formula: The Path to Level 13To reach the ultimate goal of level 13 on Combo Harbor Island, you must master the mathematics of doubling.
Every symbol you combine is the result of an exact chain of lightning bolts.
To unlock the ultimate reward of level 13 on Combo Harbor Island, you need to understand the principle of doubling. Since each new symbol is created from two identical symbols of the previous stage, the energy requirement does not grow linearly, but exponentially.
Everything starts with your first lightning bolt. This generates a level 1 base symbol. To reach the next stage, this cost doubles every time. While level 2 only costs you a modest 2 lightning bolts, you will notice by level 5 that the journey becomes more demanding.
Exponential Growth
Since you need two symbols of the previous stage for every higher symbol, the costs per level double. While level 2 only costs 2 lightning bolts, level 6 already requires 32 lightning bolts and level 10 a proud 512 lightning bolts.
The Goal
For the final symbol of level 13, you must combine several symbols. This means an investment of multiple lightning bolts to complete the entire combo chain from beginning to end.
Pro Tip from the Combo Master
⚠️ Keep an eye on your board! Since you need an average of between 950 and 1050 clicks, you should use your lightning bolts in stages so that you never run out of space for new combinations. Those who calculate smartly clear the small levels immediately to make room for the big leaps.
100 Spins
1.2k Potion
Lucky Chest
4th July Chest
5 Token
Labor Day Chest
1 Bombs
1 Canon
1 Golden Key
Token ChestMultiplier Bonus
Take your chance: By using x1, x2, x4, or x8 multipliers, the required number of lightning bolts can vary. With the right strategy, you can reach your goal using significantly less energy than calculated in the standard cost overview!
Merge Island Calculator Pro
Your game board is your starting capital: Theoretically, a 
symbol costs 4.096 lightning bolts – but only if you were starting from scratch. Since your Coin Master island board is already populated with many symbols, you don't have to generate them all. As soon as you enter your current inventory into the calculator, it subtracts the value of your existing symbols from the total. In practice, this often reduces your energy requirement to below 1,000 bolts.
ℹ️ For symbols on your board, activate the "Next Degree" checkbox if you intend to complete that symbol next. The corresponding symbol will then be automatically doubled to provide a more realistic calculation for your board.
ℹ️ Capture and double inactive values: Here you can record symbols that are present on your board but are not currently in your active possession, allowing them to be included in the calculation.
remaining
Level 1
Level 2
Level 3
Level 4
Level 5
Level 6
Level 7
Level 8
Level 9
Level 10
Level 11
Level 12
1 bolt = 1 Level ➡️ 1 item.
Important Notice
⚠️ We cannot guarantee that all lists available here are always up to date and therefore assume no liability for the accuracy of these lists.