Siege Island
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About Siege Island
Siege Island is a 3D action and puzzle game about defending castles in the Strapmar Archipelago from an Orcish siege. Humans, dwarves and elves joined forces to mine red crystals and other riches, but the Orc kingdom has surrounded the islands with ships, flying monsters and siege machinery. You choose one of the three allied races and defend several castles against waves of enemies arriving from the air and sea.
Build and defend
During the building phase, you place Tetris-like wall sections around neutral castles to claim and protect them. A castle is yours only if its walls fully enclose it by the end of the phase; otherwise, you lose the castle and the weapons inside. You can place cannons and ballistas within territory you control, then use them to fight attackers during the attack phase. After each attack, you rebuild the walls. Every castle you control adds three cannons to your firepower.
You face small and medium ships, zeppelins and a huge boss ship. Defeating enemies earns gold and brilliants. You can spend gold on Defense, Attack and Magic skill upgrades, with each successive level costing more. Each race has its own attributes and magic spell, and skills can improve the spells. The game saves progress, allowing you to try different races without losing previous progress.
Races and settings
Choose to play as a Human, Dwarf or Elf, each with distinct attributes and magic. The available island settings are Beach, Forest, Winter and Volcano. The current version has one island grid, with fixed castle positions and a set number of cells.
Available content
- Four island settings: Beach, Forest, Winter and Volcano.
- Three enemy types: small ships, medium ships and zeppelins.
- One huge boss ship.
- Three race-specific magic spells, one for each race.
- Three skill categories: Defense, Attack and Magic.
Frequently asked questions
The best price for Siege Island is $1.00 at Kinguin. That is 79% less than on Steam, where it costs $4.99. 3 shops have an offer that activates in your country.
Some are. This page only shows offers that activate in your country; offers for other regions, or with no stated region, are left out. To see the offers for another country, change your country at the top of the page.
Every key we list activates on Steam. Redeem the key there and Siege Island stays in your library for good.
Yes, with a small risk. Publishers create keys to sell in other shops, which is why a key can cost less than in the official store, and once you activate it the game is yours to keep, just like a store purchase. On average 1–2% of keys fail, so check the shop's buyer protection before you buy: the official store does not refund keys bought elsewhere.
The minimum requirements for Siege Island are: Windows 10, 1 GB RAM, 600 MB storage. It runs on Windows only. The recommended specs are in the System requirements section.
No. Siege Island is a single-player game.
Yes. Siege Island is the full base game. You need nothing else to play it.
Buy Siege Island 79% cheaper than on Steam.
Siege Island is available for 79% less in shops such as Kinguin or Driffle.
Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.
Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.











