Lord Castellan Bastior Mossmantle and Chief Siege-Architect Bryona Vane inside the vaulted glass-and-granite War Conservatory surrounded by glowing moss terrariums and brass astrolabes.

War Conservatory · Surveyor’s Field Manual

Rampart Codex

Stronghold Doctrines & Architectural Comparison Across Nine Browser Realms

I · Civic & Era Architects II · Garrison & Hero Commanders III · Grand Alliance Diplomats

Beneath the vaulted glass-and-granite ribs of the War Conservatory, Lord Castellan Bastior Mossmantle and Chief Siege-Architect Bryona Vane suspend glowing amber spores above the basalt war-table to classify nine free-to-play browser strategy games. While every title asks you to govern a settlement, each game places its weight on a distinct strategic pillar—whether optimising town grids and historical research trees, fortifying perimeters and hero rosters for battle, or forging enduring treaties across shared continental maps. Optional in-game purchases, account rules, and player chat availability are documented per game below.

Doctrine I Civic Layout & Era Tech-Trees Elvenar · Forge of Empires · Rise of Cultures

Doctrine II Curtain Walls, Sieges & Hero Rosters Goodgame Empire · Heroes of History · War Commander

Doctrine III Sovereign Realms, Tribes & Diplomacy Tribal Wars · Illyriad · Game of Thrones Winter is Coming

Doctrine I · Civic & Era Architects

Civic Layout & Era Tech-Trees

Bryona Vane’s glass terrarium-astrolabe projects the intricate geometry of workshops, residences, and research conduits. These three realms reward commanders who delight in spatial city planning, steady production chains, and guiding a settlement across historical centuries or enchanted chapters.

A fantasy city where living tree-spires and glowing crystal relics meet carved stone guildhalls and bronze aqueducts across a sunlit waterfall gorge.

Elvenar

InnoGames GmbH · Fantasy City Builder (2015)

Choose between nature-bound elves or industrious humans and govern a fantasy town whose buildings transform as they level up. You unlock over 200 technologies, complete quests on the world map, and gather relics to boost production and expand your kingdom.

Core Loop: Building upgrades, relic collection & world-map quests
Progression: 200+ researched technologies across fantasy chapters
Multiplayer & Combat: Peaceful town focus with world-map encounters

Free to play · Optional subscription · Includes in-game purchases, including paid random items (loot boxes)

Ads in game: Not stated by the publisher
Account needed: Yes
Chat with other players: Yes
Facts checked: 26 October 2026

Rating & source

No PEGI rating published for the browser version · Based on InnoGames GmbH's official information, checked 26 October 2026.

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A tiered city ascending a spiral cliff from Stone Age huts and medieval walls up to industrial brass viaducts and a futuristic glass dome.

Forge of Empires

InnoGames GmbH · Historical City-Building Strategy MMO (2012)

Establish a modest Stone Age settlement and steer its urban grid through centuries of human history into space-themed ages. Researching technologies unlocks era-specific architecture and units for both single-player continent campaigns and competitive multiplayer modes.

Core Loop: Era research, grid optimisation & seasonal events
Progression: Stone Age through historical centuries to space ages
Multiplayer & Combat: Single-player continent map plus multiplayer modes

Free to play · Optional subscription · Includes in-game purchases, including paid random items (loot boxes)

Ads in game: Not stated by the publisher
Account needed: Yes
Chat with other players: Yes
Facts checked: 26 October 2026

Rating & source

No PEGI rating published for the browser version · Based on InnoGames GmbH's official information, checked 26 October 2026.

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An ancient coastal city combining Egyptian obelisks, Greek bronze-roofed temples, and Roman arches with a tactical hoplite formation in the foreground.

Rise of Cultures

InnoGames GmbH · Historical City Builder (2022)

Build a bustling capital and guide it through ancient civilisations including Egypt, Greece, and Rome. Alongside researching technologies and trading with historic cultures, you meet famous historical figures and fight strategic battles against computer-controlled war chiefs.

Core Loop: Cultural city building, trade & technology research
Progression: Ancient cultures through the Middle Ages
Multiplayer & Combat: Strategic PvE battles & shared multiplayer world

Free to play · Includes in-game purchases, including paid random items (loot boxes)

Ads in game: Yes
Account needed: Yes
Chat with other players: Yes
Facts checked: 26 October 2026

Rating & source

No PEGI rating published for the browser version · Based on InnoGames GmbH's official information, checked 26 October 2026.

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Surveyor’s Ledger — Doctrine I Comparison

Realm & Publisher	Setting & Launch	Research & Civic Architecture	Campaign & Multiplayer Scope	Official Portal
Elvenar InnoGames GmbH	Fantasy: Elves & Humans (April 2015)	Choose elves or humans; upgrade workshops and residences; research 200+ technologies across chapters.	World map quests and relic collection; active community with three-weekly release notes in 2026.	Elvenar Site (opens in a new tab)
Forge of Empires InnoGames GmbH	Historical to Space Ages (2012; HTML5 since 2018)	Advance a settlement from the Stone Age through historical centuries and into space-themed eras.	Single-player continent campaigns paired with competitive multiplayer modes and seasonal events.	Forge of Empires Site (opens in a new tab)
Rise of Cultures InnoGames GmbH	Ancient Cultures to Middle Ages (January 2022)	Progress through historic cultures such as Egypt, Greece, and Rome while trading and researching.	Strategic PvE battles against computer-controlled war chiefs alongside a shared multiplayer world.	Rise of Cultures Site (opens in a new tab)

Doctrine II · Garrison & Hero Commanders

Curtain Walls, Sieges & Hero Rosters

When the bronze siege-astrolabes lock onto hostile perimeters, a stronghold must prove its mettle in the field. These three titles suit commanders who build their economy to feed active garrisons—whether marching medieval armies against rival keeps, leading mythological heroes in real-time clashes, or deploying mechanised platoons in a post-apocalyptic sector.

A concentric medieval stone castle with moss-bound ramparts, timber workshops, and siege trebuchets overlooking a misty valley of rival keeps.

Goodgame Empire

Goodgame Studios (Stillfront Germany GmbH) · Castle-Building Strategy MMO (2011)

Turn a small plot on the medieval world map into a heavily fortified castle. Produce resources to expand your keep, recruit defensive and offensive armies, conquer kingdoms, and choose whether to fight other players or forge alliances with them.

Core Loop: Resource production, castle masonry & army recruitment
Progression: Keep expansion across kingdoms with weekly content updates
Multiplayer & Combat: PvP castle sieges, kingdom conquests & alliances

Free to play · Includes in-game purchases

Ads in game: Not stated by the publisher
Account needed: Yes
Chat with other players: Yes
Facts checked: 26 October 2026

Rating & source

No PEGI rating published for the browser version · Based on Goodgame Studios (Stillfront Germany GmbH)'s official information, checked 26 October 2026.

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A grand citadel plaza where heroic commanders in bronze and stone armour stand before glowing amber portal arches and a terraced historic city.

Heroes of History

InnoGames GmbH · City Builder & Hero-Collection RPG (2024)

Fuse historical city building from the Stone Age onward with a roster of over seventy historic and mythological heroes. Each hero brings distinct abilities to real-time battles across PvE time-travel campaigns, cooperative modes, competitive PvP, and alliances.

Core Loop: Era city building paired with hero collection & upgrades
Progression: 70+ historic & mythological heroes empowered by city eras
Multiplayer & Combat: Real-time battles, PvE campaigns, PvP & alliances

Free to play · Optional subscription · Includes in-game purchases, including paid random items (loot boxes)

Ads in game: Yes
Account needed: Yes
Chat with other players: Yes
Facts checked: 26 October 2026

Rating & source

No PEGI rating published for the browser version · Based on InnoGames GmbH's official information, checked 26 October 2026.

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A fortified sector base with polygonal blast walls, radar dishes, glowing amber power silos, and a platoon of heavy tanks crossing a mossy canyon bridge.

War Commander

KIXEYE · Military Base-Building MMORTS (2011)

Command a fortified military base in a post-apocalyptic world where factions clash over scarce metal, oil, and thorium. Research hardware and deploy platoons of tanks, infantry, and aircraft onto the world map for daily missions, monthly operations, and PvP base raids.

Core Loop: Metal, oil & thorium extraction, base defence & hardware tech
Progression: Platoon upgrades across infantry, tanks & aircraft
Multiplayer & Combat: Real-time base attacks, monthly ops & PvP rankings

Free to play · Includes in-game purchases

Ads in game: Not stated by the publisher
Account needed: Not stated by the publisher
Chat with other players: Not stated by the publisher
Facts checked: 26 October 2026

Rating & source

No PEGI rating published for the browser version · Based on KIXEYE's official information, checked 26 October 2026.

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Surveyor’s Ledger — Doctrine II Comparison

Realm & Publisher	Setting & Platform Notes	Garrison & Hero Architecture	Battle Modes & Operations	Official Portal
Goodgame Empire Goodgame Studios	Medieval World Map (2011; HTML5 desktop browser client)	Produce resources to raise a castle keep and recruit defensive and offensive medieval armies.	Conquer kingdoms, fight other players on the world map, or join alliances; weekly content updates.	Goodgame Empire Site (opens in a new tab)
Heroes of History InnoGames GmbH	World History & Mythology (Browser launch Nov 2024; cross-play)	Collect 70+ historic and mythological heroes whose strength scales as your Stone Age-onward city advances.	Real-time tactical battles across solo PvE time-travel campaigns, cooperative modes, competitive PvP, and alliances.	Heroes of History Site (opens in a new tab)
War Commander KIXEYE	Post-Apocalyptic Sector (2011; desktop browser & Steam link)	Fortify a base, harvest metal, oil, and thorium, and research military technology for tanks, infantry, and aircraft.	Deploy platoons against world-map targets, complete daily/weekly missions and monthly operations, and raid rival bases.	War Commander Site (opens in a new tab)

Doctrine III · Grand Alliance Diplomats

Sovereign Realms, Tribes & Diplomacy

When the Spore-Beacon Lanterns flare amber along the high watch-parapets, frontier coalitions are marching in concert. In these three persistent multiplayer realms, no solitary keep stands forever: enduring triumph belongs to commanders who coordinate village strikes within sworn tribes, trade across player-driven fantasy markets, or rally houses to contest the Seven Kingdoms.

A fortified medieval village with a timber palisade, clay pit, iron mine, and rallying spear columns marching toward rival watchtowers.

Tribal Wars

InnoGames GmbH · Medieval Strategy MMO (2003)

Govern a medieval village and expand it across more than fifteen building types while training up to nine offensive and defensive unit types. Join forces in sworn tribes to coordinate defences, conquer neighbouring villages, and wage war against rival tribes.

Core Loop: Village construction (15+ buildings) & unit training (up to 9 types)
Progression: Multi-village conquest across persistent medieval worlds
Multiplayer & Combat: Sworn tribes, coordinated village capture & tribe wars

Free to play · Optional subscription · Includes in-game purchases

Ads in game: Not stated by the publisher
Account needed: Yes
Chat with other players: Yes
Facts checked: 26 October 2026

Rating & source

No PEGI rating published for the browser version · Based on InnoGames GmbH's official information, checked 26 October 2026.

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A sweeping fantasy landscape showing a mountain stone city, winding trade caravans, glowing ley-lines, and distant faction strongholds.

Illyriad

Illyriad Games Ltd · Fantasy Grand Strategy MMO (2010)

Inhabit a vast HTML5 fantasy world built for long-horizon logistics and diplomacy. Specialise your cities across more than 70 building types and 400 technologies, trade over 380 resources on a player-driven market, and wield armies and magic alongside factions.

Core Loop: Deep city specialisation (70+ buildings) & 380+ tradeable resources
Progression: 400+ technologies across military, civic & magical paths
Multiplayer & Combat: Player-driven market, faction diplomacy & grand strategy

Free to play · Includes in-game purchases

Ads in game: Not stated by the publisher
Account needed: Yes
Chat with other players: Yes
Facts checked: 26 October 2026

Rating & source

No PEGI rating published for the browser version · Based on Illyriad Games Ltd's official information, checked 26 October 2026.

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A massive dark-stone fortress keep with glowing amber braziers, red-leaved courtyard trees, and massed cavalry banners amidst swirling silver mist.

Game of Thrones Winter is Coming

Yoozoo Games (GTArcade) · Real-Time Strategy MMO (2019)

Rule as a lord of Westeros in this real-time strategy game licensed from the HBO series. Build your castle keep, train armies led by commanders, and unite in alliances to contest the Seven Kingdoms and multi-alliance war boards.

Core Loop: Westeros castle building, commander training & troop mustering
Progression: Keep upgrades, commander rosters & pet systems
Multiplayer & Combat: Alliance warfare for the Seven Kingdoms & hex-board conquests

Free to play · Includes in-game purchases

Ads in game: Not stated by the publisher
Account needed: Yes
Chat with other players: Yes
Facts checked: 26 October 2026

Rating & source

No PEGI rating published for the browser version · Based on Yoozoo Games (GTArcade); also operated on R2Games's official information, checked 26 October 2026.

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Surveyor’s Ledger — Doctrine III Comparison

Realm & Publisher	Setting & Heritage	Settlement & Economic Scale	Alliance & Diplomatic Warfare	Official Portal
Tribal Wars InnoGames GmbH	Middle Ages (Launched June 2003; 27 market versions)	Control a medieval village with 15+ building types and train up to nine offensive and defensive unit types.	Form sworn tribes, coordinate attacks to conquer neighbouring players' villages, and fight tribe wars.	Tribal Wars Site (opens in a new tab)
Illyriad Illyriad Games Ltd (London, UK)	Persistent Fantasy World (2010; HTML5 browser MMO)	Specialise cities with 70+ building types, 400+ technologies, and 380+ tradeable resources on a player market.	Deploy armies and magic, negotiate treaties, and interact with factions and other players across a vast map.	Illyriad Site (opens in a new tab)
Game of Thrones Winter is Coming Yoozoo Games (GTArcade)	Westeros / HBO Licensed (March 2019; browser & desktop app)	Build a lord’s castle, upgrade facilities, and muster armies led by iconic Westeros commanders.	Join alliances to battle for the Seven Kingdoms, including three-alliance hex-board wars in King's Landing Conquest.	Winter is Coming Site (opens in a new tab)

Return to the High Watch-Parapet

All nine briefings in the Rampart Codex are compiled independently from official publisher documentation checked on 26 October 2026. To learn how our wardens verify each realm or to read our household guidance on accounts, chat, and optional in-game purchases, explore our companion pages below.

Inspect the Stronghold Wings Guidance for Parents & Carers How We Survey Each Realm