Description
Reef Kingdom | Idle Underwater Builder HTML5 Game
Reef Kingdom | Idle Underwater Builder HTML5 Game is a colorful idle / tycoon builder under the sea, made with pure HTML5 and JavaScript. Build a reef on rock ledges, upgrade buildings that change their look as they grow, hire a crew of sea-creature managers who keep the reef earning while you are away, dive into deeper and darker zones, hatch and collect sea pets, play rotating timed events and found new reefs to earn Pearls of Wisdom. It runs in any modern browser on phones, tablets and desktop.
Gameplay
- 5 depth zones in a side view: Sunlit Shallows, Coral Gardens, Kelp Forest, Twilight Trench and Abyssal Vents, from bright water to the glowing deep
- 15 building types, each with 4 different looks (new look at level 10, 25 and 50), up to level 1000
- Income milestones that double a building’s income, plus 5 landmarks that double a whole zone
- Tap the coin bubbles to collect, or hire 15 sea-creature managers who collect automatically
- Offline earnings with a “Welcome back” screen
- Tap the water for coins; fast taps fill the Tide Rush meter for x3 income
- Prestige: found a new reef and earn Pearls of Wisdom for a permanent income bonus
- Sell a building to free its spot for a better one; Collect All button for waiting coins
Sea Pets
- 20 collectible pets in 5 rarities: common, rare, epic, legendary and event
- Hatch them from Pet Eggs and Golden Eggs with a hatching animation
- Copies level a pet up (10 levels); 3 to 5 equip slots
- Bonuses for zone income, all income, taps, offline time, whale rewards and event currency
- Equipped pets swim on the reef and sometimes find treasure


