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The Open Alpha is live. Play on your computer or in your mobile browser.
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Union of Kingdoms
Build a kingdom. Fight together.
A fantasy strategy game in your browser. Build your city, research five troop types and take on enemies with your alliance.
Explore the game guidesFree to play · Early Access · One account, the same kingdom.
Where you can play
Available now · Early Access
Android
Take your kingdom with you. Download the Android app from Google Play and sign in with your existing account.
Download on Google PlayComing later
iOS
The iOS app will be released later. Until then, play in your browser on iPhone or iPad.
A new Era begins
Step inside the Alpha.
A painted city, a shared world and an army of your own. See the current Union of Kingdoms interface.
Build your kingdom
Grow your painted city, improve buildings and research your next advantage.
Discover more
Explore a shared world
Gather resources, discover monsters and prepare your next march.
Discover more
Shape your army
Build your army from five troop types. Compare tiers and train mages and rune wardens in the Arcane Sanctum.
Discover moreAlpha screenshots from 27 October 2026, captured in a demonstration kingdom. Features, balance and visuals may change.
A new Era begins
A kingdom built for the long run.
Union of Kingdoms is a fantasy strategy game about growing your city, building an army and finding your place in a shared world. The long-term vision brings together lasting progression, player-versus-player conquest and cooperative monster battles.
Build lasting strength
Develop production, storage, buildings and research. Train stronger troops and shape your equipment around your next objective. Each improvement supports the next stage of your kingdom.
Compete for the kingdom
Scout rivals, prepare your army and coordinate with allies. Player-versus-player combat is part of the alpha; fighting for control of the kingdom is the long-term conquest goal. The final conquest rules are still being developed.
Take on greater threats
Join alliance rallies against powerful monsters. The direction is an expanding series of tougher enemies and exciting rewards, giving your alliance new reasons to prepare, improve and fight together.
The intended progression is ongoing, rather than a repeating seasonal restart. During development, alpha resets and balance changes are still possible.
The current army
Five troop types. New ways to build your army.
Infantry, archers and cavalry progress from T1 to T5. Mages and Rune Wardens join at T4 and T5 through the Arcane Sanctum. Develop your buildings and complete the required research to unlock stronger troops.
Preview the three starting troop types: T1–T5.
Troop artwork · Tier 5 of 5
Infantry
Barracks · T1–T5
Build the core of your army. Compare attack, defence, health and carrying capacity before choosing the troops for a march. The new guardian artwork gives infantry its shield-bearing identity.
Archers
Archery range · T1–T5
Develop your ranged troops alongside the rest of the army. Their bows and equipment improve as you unlock higher tiers.
Cavalry
Stable · T1–T5
Bring mounted troops into your formations. Consider march speed, carrying capacity and the strength needed at the destination. The shadow rider is the new cavalry appearance.
Mages
Arcane Sanctum · T4–T5
Bring magic into your army. Mages counter infantry and rune wardens. Reach Castle and Academy level 25, unlock T4 for the three starting types, then complete mage research.
Rune Wardens
Arcane Sanctum · T4–T5
Use rune power against archers and cavalry. Rune Wardens have their own research and training slot in the Sanctum. Their T4 unlock also requires Castle and Academy level 25 and the three starting T4 unlocks.
Arcane troops start at T4. Reach level 30 and complete the required research for T5.
Your Academy becomes the Arcane Sanctum at level 25. Mages and Rune Wardens have separate training slots and research requirements. Train or promote eligible troops, and treat wounded units in the hospital.
Prepare for what comes next
Make your inventory part of the strategy.
Items support the choices you make: building, researching, training, healing, gathering and preparing for battle. Check each item's effect and requirements before using it.
Resources & speedups
Resource packs provide supplies when used. General and specialised speedups shorten eligible active orders. Keep your next construction, research or army goal in mind when deciding what to spend.
Boosts & useful items
Temporary boosts support specific activities. Open chests, collect fragments and use teleporters when their requirements are met. Check the in-game details for each item’s effect and availability.
Relics & loadouts
Collect fragments, exchange matching-rarity universal fragments and develop the relic effects that fit your objective. The treasury offers up to six equipment slots, unlocked as it grows, and five saved loadouts. Equipped relics determine your active bonuses.
Discover the updated storybook relic artwork. The in-game catalogue shows each relic’s current effects, requirements and values.
Your journey
From a small city to a powerful alliance.
The central loop is simple: prepare, act, earn rewards and reinvest. The decisions become more demanding as your kingdom grows.
Establish your economy
Produce food, wood, stone and gold. Expand your storage and meet building prerequisites. A strong economy keeps construction, research and training moving.
Develop your city and army
Upgrade the city centre and training buildings to unlock higher troop tiers. Research useful bonuses. Balance new recruits, promotions and hospital needs against your available resources.
Explore and learn the world
Gather resources and choose suitable monster targets. Compare the army you can send with the risks, travel time and possible rewards. Read reports and use the results to improve the next march.
Find your allies
Join an alliance, share information and help coordinate objectives. Your own progress gives you more ways to contribute to the group, while cooperation makes larger challenges possible.
Prepare for PvP and alliance PvE
For rival players, scouting and timing matter. For rally monsters, assemble with your alliance and commit suitable forces. These are different risks and objectives, supported by the same economy and army.
Turn rewards into the next step
Use earned supplies, useful items and relic progress to strengthen your kingdom. The long-term aim is to compete for kingdom control and keep facing more powerful monsters together as the game expands.
Alliance PvE
Meet the regional rally monsters.
Grumwald, Frostgrimm, Sandmaul and Glutramm are integrated rally enemies, with ten levels per regional monster. Assemble your alliance and prepare together. Battle rewards depend on the target and the current reward tables.
Grumwald
Emerald Forest
Frostgrimm
Frostlands
Sandmaul
Sun Dunes
Glutramm
Ashlands
Open Alpha · The road ahead
The road to the full game.
The alpha is a working foundation, not the finished destination. Features, visuals, balance and progression are still evolving.
Current alpha foundation
Build, train and play together
City development, research, five troop types, inventory, relic loadouts, gathering, player combat and alliance rallies are playable in the alpha. Mages and Rune Wardens are available at T4 and T5. Availability follows world settings and alpha access.
Development direction
Deeper progression and conquest
Continue refining the everyday game loop, combat balance, rewards and alliance coordination. Develop kingdom conquest and expand the ladder of cooperative monster challenges. Exact conquest rules and future reward tiers are not final.
Where you can play
One game across devices
The Alpha is live in your browser and on Android through Google Play Early Access. Use the same account on either device. An iOS app is planned for later.
Is this a seasonal game with regular restarts?
The intended model is lasting kingdom development, PvP competition and continuing alliance PvE. Routine seasonal restarts are not the design goal. Alpha testing may still require resets.
Can I play now?
Yes. The Open Alpha is available in your browser. Create a game account without an invitation key and choose an open world to start playing.
Is the Star Crown story the endgame?
The Star Crown is an earlier story concept, not a confirmed playable campaign or a fixed seasonal ending. The confirmed direction is ongoing development, kingdom conquest and stronger cooperative monster challenges.
Open Alpha
Your kingdom starts now
No key needed. Create your account and start playing in your browser.
Play the Open AlphaThe game is in active development. Features and balance may change, and alpha progress may be reset.
