Alliances
Astrakeep alliances: open or closed, ranks, construction help, donations, translated chat, reporting, plus the planned territories, wars and bosses.
Place your heroes. Defend the isles. Build your kingdom.
Hero tower defenseAstrakeep, the hero tower defense game of the Kingdom of Astra
Astrakeep is a free tower defense game with heroes, coming soon to Android. Place your heroes along the path to defend the floating isles of the Kingdom of Astra from the shadow creatures, then grow your kingdom with the loot you win. Raid rival villages, attack other players and join an alliance to help each other out.
Free · Coming soon to Android · 8 languages
Coming soon toGoogle Play
Coming soon to Android: Astrakeep is in development and will arrive on Google Play.
The 7 heroes of Astrakeep
Three heroes fight by your side from the start. Epic heroes are summoned at the Summoning Altar; legendary heroes are unlocked with 40 fragments or in the shop, never by summoning.
Lyra the Archer
Rare · Rapid fire. Special attack: Arrow Rain.
Orin the Mage
Rare · Area damage. Special attack: Arcane Meteor.
Kael the Knight
Rare · Melee heavy hitter who blocks ground enemies. Special attack: Guardian's Shock.
Nyx the Sorceress
Epic · Frost. Special attack: Blizzard.
Tharok the Bombardier
Epic · Bombs thrown from very far away. Special attack: Bomb Barrage.
Aurelion the Paladin
Legendary · Spears of light. Special attack: Celestial Judgment.
Sylvara the Empress
Legendary · Dragonfire. Special attack: Imperial Breath.
Astrakeep in pictures
The Kingdom of Astra, with Orin's tips 
Chapter 1 from above: the path and the hero platforms 
Arcane Isle, one of the kingdom's 4 islands 
A village island on the world map 
A Citadel, a territory alliances will fight over 
Dragon Bastion, one of the 5 rival villages to raid
What awaits you in Astrakeep
A 90-level campaign
18 chapters of 5 levels, from The Floating Isles to The Void Citadel. Each chapter ends with a different boss with its own powers. Hold the line wave after wave, or let Auto mode play.
A kingdom of 4 islands to build
The loot from your battles grows 10 buildings spread over 4 floating islands, around the Crystal Tower. Construction and production keep going even when the game is closed.
7 heroes to summon and level up
Summon heroes at the Summoning Altar with tokens: an epic card is guaranteed within 10 summons. Legendary heroes come from 40 fragments, earned with the daily chest, or from the shop.
Raids and attacks between players
Raid 5 rival villages with your troops, then attack other players on the world map. Your defense formation protects your kingdom even when you're offline, and a shield covers you after you've been raided.
Alliances, chat and territories
Join an alliance: members help each other finish their buildings and chat with built-in translation and moderation. Territories, alliance wars and alliance bosses are planned in the game.
A shop with clear rules
Gems never buy summons. Everything has a fixed, visible price, with no paid random draws. Rewarded videos are optional: it's your choice.
Astrakeep FAQ
Is Astrakeep free?
Yes. Astrakeep is free to play, with optional in-app purchases. The shop rules are shown in the game: gems never buy summons, everything has a fixed price with no paid random draws, and rewarded videos are always the player's choice.
When and on which phones will Astrakeep come out?
Astrakeep is coming soon to Android, on Google Play. The game is still in development and no release date has been announced yet.
Can I play Astrakeep without an internet connection?
Your kingdom keeps producing and your buildings keep progressing even when the game is closed. Playing with others, however, needs an internet connection: attacks between players, alliances and chat.
Which languages is Astrakeep available in?
Astrakeep is translated into 8 languages: English, French, German, Spanish, Italian, Brazilian Portuguese, Japanese and Simplified Chinese.
How do I get new heroes?
You start with Lyra, Orin and Kael. Epic heroes are summoned at the Summoning Altar with tokens (daily chest, 7th login day, Sky Ruins expedition), with an epic card guaranteed within 10 summons. The legendary heroes, Aurelion and Sylvara, can't be summoned: you unlock them with 40 legendary fragments or buy them in the shop.
Astrakeep on Android
Coming soon, free on Google Play.
Coming soon toGoogle Play
Coming soon to Android: Astrakeep is in development and will arrive on Google Play.
Astrakeep guide
Rules, tips and strategies: it's all explained in Astrakeep guide. To discover other games of the same kind, see Free tower defense games.
Campaign
The Astrakeep campaign: 18 chapters of 5 levels, a boss in every chapter, platforms, hero placement, special attacks, Auto mode and beating defeats.
Heroes
All 7 Astrakeep heroes: roles, special attacks, summoning with a guaranteed epic card, shards and stars, and how to unlock the legendary heroes.
Islands and buildings
Astrakeep buildings explained: 4 islands, 10 buildings, the Crystal Tower that caps them all, what to upgrade first and how the second builder works.
Troops and raids
Astrakeep raids: the 4 troops and their cycle, the 5 rival villages, the world map, scouting, rallies, revenge, shields and your defense formation.
Beginner guide
Astrakeep beginner guide: the tutorial with Orin, your first priorities, daily quests and chest, the login streak and how to protect your game.
Astrakeep articles and community
Our articles about Astrakeep, and the forum to share tips and questions with other players.
The studio behind the game
Astrakeep is made by Djoox Studio, an independent mobile game studio. Also discover Zertyzzle, our crystal merge puzzle game.