島あげます - 箱庭諸島SE 島づくり経営ゲーム
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Develop your own island and turn it into a metropolis. A classic island-building and management game, "Hakoniwa Islands," now playable on your smartphone. Play in the same ocean as everyone else!
- Downloads
- 1.9K+
- on Google Play
- Price
- Free
- No in-app purchases
- Updated
- Sep 28
- 2026 · v1.5.1
Screenshots
About 島あげます - 箱庭諸島SE 島づくり経営ゲーム
This is an island-building simulation game where you receive your own island, develop it, and grow it into a large city.
Based on the classic browser game "Hakoniwa Shima" (Miniature Islands), released in 1997, this online game lets you play together with other players on the same ocean.
■ How to Play: 3 Steps
1. Choose an island name and password to register your new island (you can start in 1 minute)
2. Tap squares on the map to enter development plans such as land clearing, farms, and factories
3. Turns progress every 3 hours, and your plans are executed as your island grows
"Recommendations for this location" will appear based on the square you tap, so even beginners won't get lost on their next move.
Newly started islands come with a "Newbie Island Owner Guide" that guides you step-by-step towards your goal of reaching a population of 100,000.
■ Game Features
◆ 32x32 Island Building
Reclaim land from the sea, clear wasteland, and build farms, factories, commercial buildings, and power plants to increase your population. The island includes facilities such as airports, railways, tourist attractions, research institutes, universities, hospitals, casinos, and highways. The island's growth depends on where you place these facilities.
◆ Disasters and Monsters
In addition to earthquakes, typhoons, fires, and volcanic eruptions, monsters can also land. You can reduce damage by strategically placing areas; for example, fires are less likely to occur near forests.
◆ Sharing the Seas with Others
There are rankings, category top rankings, and a bulletin board. You can also provide financial and food aid to other islands. Providing aid increases diplomatic friendship, while sending missiles or monsters decreases it. There are also trading markets and events.
◆ Share Your Proud Island
You can share your island under development with its population and ranking via "Show Off This Island." Those who see your share can then visit your island.
◆ Leave It Alone
Once you've set up your plan, development proceeds automatically turn by turn. Islands that haven't been played for a while enter a dormant state, but can be restored by logging in with a password.
◆ Accessible from PC Browsers
You can also access the same island from your PC browser (webrara.com/hakoniwa/). In the app, you can open your previous island with a single button click on the home screen.
■ It's Never Too Late to Start
There's a limit to the size of your island, and there are disasters and monsters, so even top-ranked islands can't be taken lightly. The important thing is island design. Creating your island in your favorite shape without worrying about rankings is also a way to enjoy the game.
■ About Usage
・Basic gameplay is free
・Banner ads are displayed at the bottom of the app, and a full-screen ad is displayed once a day (this covers server operating costs).
・Game data is saved on the server. An internet connection is required.
"Hakoniwa Islands" is a CGI game released by Hiroki Tokuoka in 1997. This app is a modified version of "Re:Hakoniwa Islands" (AGPL v3), which is based on the improved version "Hakoniwa Islands S.E."
Based on the classic browser game "Hakoniwa Shima" (Miniature Islands), released in 1997, this online game lets you play together with other players on the same ocean.
■ How to Play: 3 Steps
1. Choose an island name and password to register your new island (you can start in 1 minute)
2. Tap squares on the map to enter development plans such as land clearing, farms, and factories
3. Turns progress every 3 hours, and your plans are executed as your island grows
"Recommendations for this location" will appear based on the square you tap, so even beginners won't get lost on their next move.
Newly started islands come with a "Newbie Island Owner Guide" that guides you step-by-step towards your goal of reaching a population of 100,000.
■ Game Features
◆ 32x32 Island Building
Reclaim land from the sea, clear wasteland, and build farms, factories, commercial buildings, and power plants to increase your population. The island includes facilities such as airports, railways, tourist attractions, research institutes, universities, hospitals, casinos, and highways. The island's growth depends on where you place these facilities.
◆ Disasters and Monsters
In addition to earthquakes, typhoons, fires, and volcanic eruptions, monsters can also land. You can reduce damage by strategically placing areas; for example, fires are less likely to occur near forests.
◆ Sharing the Seas with Others
There are rankings, category top rankings, and a bulletin board. You can also provide financial and food aid to other islands. Providing aid increases diplomatic friendship, while sending missiles or monsters decreases it. There are also trading markets and events.
◆ Share Your Proud Island
You can share your island under development with its population and ranking via "Show Off This Island." Those who see your share can then visit your island.
◆ Leave It Alone
Once you've set up your plan, development proceeds automatically turn by turn. Islands that haven't been played for a while enter a dormant state, but can be restored by logging in with a password.
◆ Accessible from PC Browsers
You can also access the same island from your PC browser (webrara.com/hakoniwa/). In the app, you can open your previous island with a single button click on the home screen.
■ It's Never Too Late to Start
There's a limit to the size of your island, and there are disasters and monsters, so even top-ranked islands can't be taken lightly. The important thing is island design. Creating your island in your favorite shape without worrying about rankings is also a way to enjoy the game.
■ About Usage
・Basic gameplay is free
・Banner ads are displayed at the bottom of the app, and a full-screen ad is displayed once a day (this covers server operating costs).
・Game data is saved on the server. An internet connection is required.
"Hakoniwa Islands" is a CGI game released by Hiroki Tokuoka in 1997. This app is a modified version of "Re:Hakoniwa Islands" (AGPL v3), which is based on the improved version "Hakoniwa Islands S.E."
What’s new
Version 1.5.1 · Updated September 28, 2026
動作を改善しました。
Play today's Threadline puzzle
Draw one line through every cell, visiting the numbers in order. A free daily puzzle from Fiplay, same board for everyone. It plays right here, no download.
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| App | Rating | Price | Installs | Last updated | Compare |
|---|---|---|---|---|---|
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