Help centreGetting started
Your first steps in Castruma.
- What is Castruma?Castruma is a real-time strategy game where thousands of players share one map. You start with a small village, produce…
- Worlds and seasonsEach world is an independent season with its own map, speed and length. The world list shows each world’s status,…
- Choosing a tribeWhen you join you pick a tribe, which stays the same for the season. Each tribe has different troops, walls, merchants…
- Beginner's protectionWhen you join you are under beginner's protection for a while: your villages can't be attacked, raided or scouted. If…
- Quests and achievementsQuests guide your first steps and reward resources, items or gold. Daily and weekly quests refresh all season.
- Access keysUse your browser’s access key combination (Alt in Chrome and Edge, Alt+Shift in Firefox, Control+Option on Mac) to…
Economy
Resources, storage, crop and trade.
- Resources and productionThere are four resources: wood, clay, iron and crop. The resource fields around your village produce them every hour;…
- Warehouse, granary and crannyThe warehouse stores wood, clay and iron; the granary stores crop. Once full, production is wasted, so grow your…
- Crop, upkeep and starvationEvery troop and your village population consume crop. If your net crop production goes negative and the granary is…
- Marketplace and merchantsWith a marketplace you have merchants to send resources to other villages or to post and accept offers on the market.…
Village and expansion
Buildings, culture points, new villages and conquest.
- Buildings and the construction queueYou can build dozens of buildings in your village centre. Each has requirements; the main building shortens…
- Culture pointsYou need enough culture points to found or conquer a new village. Your buildings produce culture continuously;…
- Founding a new villageThe residence or palace (a different building for some tribes) opens expansion slots at certain levels. Train settlers…
- Conquest and loyaltyChiefs (their name depends on the tribe) lower the target village's loyalty in successful attacks. When loyalty reaches…
- CapitalYou can upgrade your capital's fields higher and some special buildings can only be built there. The capital can't be…
- Celebrations and the mead festivalHold a festival or grand feast in the town hall to earn culture points.
Military
Troops, kinds of attack, scouting and sieges.
- TroopsThe barracks trains infantry, the stable cavalry and the workshop siege engines. New troop types must first be…
- Attack, raid, scout, reinforceAttack: the battle is fought to the end, walls and buildings can be targeted and chiefs can lower loyalty.
- Scouting rulesAttacking scouts face the scouts in the defending village. The attacker only gets a report if at least one scout makes…
- Walls, rams and catapultsThe wall gives your village a defence bonus. Rams knock down the wall, catapults damage buildings. With a high enough…
- Wave attacksAt the rally point, use “Add as wave” to prepare several attacks on the same target and send them all at once. Waves…
- Forwarding and merging reinforcementsYou can forward reinforcements stationed in another village straight to a new village without bringing them home first.
- Traps, healing and evasionThe trapper catches part of the attackers before the battle; you can release prisoners.
- Battle simulatorThe simulator calculates a battle in advance with two armies, the wall, smithy levels, heroes, bonuses and catapult…
Hero
Your hero, adventures and items.
Alliance
Alliances, ranks, diplomacy and bonuses.
- Founding an allianceBuild an embassy to found an alliance or accept an invitation. The member limit depends on the founder's embassy level.
- DiplomacyForm confederacies or non-aggression pacts with other alliances, or declare war. These relations are shown on the map…
- Alliance bonusesMembers donate resources to upgrade shared bonuses such as training speed, culture points, smithy power and merchant…
- Incoming attacksThe “Incoming attacks” tab on the alliance screen shows attacks and raids heading for members. Small attacks with no…
Map and events
Oases, seasons, map events and Natars.
- OasesOases are guarded by wild animals. Clear them and win with your hero, and with a free slot in your hero's mansion the…
- Water and harboursThe map has lakes and inland seas. Water tiles can't be crossed or settled; troops and merchants travelling overland go…
- SeasonsSeasons turn in each world; each brings changes to production, speed or combat. The strip at the top shows the next…
- Map eventsBarbarian raids, caravans, giant beasts, resource booms and famines appear in parts of the map. Whoever defeats an…
- NatarsThe Natars are the game’s computer-controlled people. Their villages guard the artefacts and construction plans, and…
Endgame
Artefacts, construction plans and the Wonder.
Account and rules
Sitters, account partners, vacation and truces.
- SittersFrom settings you can appoint a few players as sitters. Sitters can build and train in your villages; you grant…
- Account partnersIf you want to play a world account together with someone, create an invite code in settings. Your partner enters the…
- Vacation modeIf you can't play for a long time, switch on vacation mode. You can't be attacked while on vacation, but you can't act…
- TruceThe team may announce truces for special days; a world may also have a daily (night) truce window. Attacks and raids…
- Game rulesEach player has one account per world. To manage other accounts, use sitters or account partnerships. Rules on…
- NotificationsIn settings you can turn on push notifications on this device and choose which events to be notified about: incoming…
Gold and Plus
What gold is for, and what it is not.
Contact us
Found a bug, have a suggestion or want to report a player? The feedback form goes straight to our team.
Log in and use the “Feedback” button in the game to send feedback.