A Total War Saga: THRONES OF BRITANNIA achievements

137 achievements on Steam

Rarest first. Published rarity by platform.

Each platform measures its own player population.Why that matters

Each platform calculates rarity from its own player population. These percentages are shown side by side but are not a controlled comparison. Percentages are shown exactly as each platform publishes them — Pyroblast does not recalculate them or mix player populations together.

Played it? See which of these you've earned

Keep Your Enemies CloserSteam only
Playing as any faction, complete the main campaign having turned all your enemies into vassal kingdoms.
Steam0.3%
Legendary DefenderSteam only
Playing as any faction, gain a Legendary defender.
Steam0.3%
Legendary GeneralSteam only
Playing as any faction, gain a Legendary general.
Steam0.4%
Legendary AttackerSteam only
Playing as any faction, gain a Legendary attacker.
Steam0.4%
The Long GameSteam only
Playing as any faction, complete the main campaign, achieving a Long victory on Legendary difficulty by fighting and winning every battle.
Steam0.4%
Glutton for PunishmentSteam only
Playing as any faction, complete the main campaign, achieving an Ultimate victory on Legendary difficulty by fighting and winning every battle.
Steam0.4%
War Without a BreathSteam only
Playing as any faction, complete the main campaign by instantly declaring war on newly-encountered factions and without negotiating peace at any point.
Steam0.4%
Western AllianceSteam only
Playing as Strat Clut, liberate or ally with all Welsh factions.
Steam0.4%
Ultimate UnconqueredSteam only
Playing as any faction, achieve an Ultimate victory by fighting and winning every battle.
Steam0.5%
Knee Deep in BloodSteam only
Playing as any faction, complete the main campaign, achieving a Short victory on Legendary difficulty by fighting and winning every battle.
Steam0.5%
Mycel Haeben HereSteam only
Playing as the Great Viking Army, complete the main campaign while keeping both the English and the Army happy at all times.
Steam0.6%
Master TacticianSteam only
Playing as any faction, achieve a Long victory by fighting and winning every battle.
Steam0.6%
The Lost EagleSteam only
Defeat someone who already has this achievement in any multiplayer battle.
Steam0.8%
King of MideSteam only
Playing as Mide, complete the main campaign by achieving a Long Kingdom victory.
Steam0.9%
Ultimate ConquerorSteam only
Playing as any faction, complete the main campaign, achieving an Ultimate victory on Legendary difficulty.
Steam1.0%
In MajestySteam only
Playing as Mide, complete the main campaign by achieving a Short Kingdom victory.
Steam1.0%
BretwaldaSteam only
Playing as Northymbre, conquer all English regions.
Steam1.1%
The Mercian SupremacySteam only
Playing as Mierce, conquer all English regions.
Steam1.3%
Roar of the NorthSteam only
Playing as Northymbre, conquer all Scottish regions.
Steam1.3%
The Scottish PreySteam only
Playing as Northymbre, complete the main campaign by achieving a Long Fame victory.
Steam1.3%
TacticianSteam only
Playing as any faction, achieve a Short victory by fighting and winning every battle.
Steam1.3%
The Fabled IslesSteam only
Playing as Sudreyar, complete the main campaign by achieving a Long Fame victory.
Steam1.4%
King of Alt ClutSteam only
Playing as Strat Clut, complete the main campaign by achieving a Long Kingdom victory.
Steam1.4%
Balance of ProbabilitiesSteam only
Playing as any faction, complete the main campaign, fighting all battles and without losing more than 10 times.
Steam1.4%
A United FrontSteam only
Playing as any of the Gaelic kingdoms, annex all surviving Gaelic factions.
Steam1.4%
A United KingdomSteam only
Playing as East Engle, conquer all English regions.
Steam1.4%
Show No MierceSteam only
Playing as Mierce, complete the main campaign by achieving a Long Fame victory.
Steam1.4%
Cast a Long ShadowSteam only
Playing as any faction, complete the main campaign, achieving a Long victory on Legendary difficulty.
Steam1.5%
The Slow BurnSteam only
Playing as Strat Clut, complete the main campaign by achieving a Long Fame victory.
Steam1.5%
High King of IrelandSteam only
Playing as Mide, complete the main campaign by achieving an Ultimate victory.
Steam1.6%
Uphill StruggleSteam only
Playing as any faction, complete the main campaign, achieving an Ultimate victory on Very Hard difficulty.
Steam1.6%
World's Gonna Know Your NameSteam only
Playing as East Engle, complete the main campaign by achieving a Long Fame victory.
Steam1.6%
King of the MerciansSteam only
Playing as Mierce, complete the main campaign by achieving a Long Kingdom victory.
Steam1.6%
King of the IslesSteam only
Playing as Sudreyar, complete the main campaign by achieving a Long Kingdom victory.
Steam1.7%
King of the Five ProvincesSteam only
Playing as Mide, complete the main campaign by achieving a Long Conquest victory.
Steam1.7%
King of the ValleysSteam only
Playing as Strat Clut, conquer all Welsh regions.
Steam1.7%
King of the BritonsSteam only
Playing as Mierce, complete the main campaign by achieving an Ultimate victory.
Steam1.8%
Speedy SubjugationSteam only
Playing as any faction, conquer all regions on the campaign map in less than 200 turns.
Steam1.8%
The Terror From the WestSteam only
Playing as Sudreyar, complete the main campaign by achieving a Short Fame victory.
Steam1.8%
King of the BritonsSteam only
Playing as Strat Clut, complete the main campaign by achieving an Ultimate victory.
Steam1.8%
Twice as BrightSteam only
Playing as Mierce, complete the main campaign by achieving a Short Fame victory.
Steam1.8%
Monarch of the Northern MarchesSteam only
Playing as Northymbre, complete the main campaign by achieving a Long Kingdom victory.
Steam1.9%
King of the BritonsSteam only
Playing as Northymbre, complete the main campaign by achieving an Ultimate victory.
Steam1.9%
King of the PictsSteam only
Playing as Circenn, complete the main campaign by achieving a Long Kingdom victory.
Steam1.9%
Quick & DirtySteam only
Playing as Northymbre, complete the main campaign by achieving a Short Fame victory.
Steam2.0%
King of the BritonsSteam only
Playing as Sudreyar, complete the main campaign by achieving an Ultimate victory.
Steam2.0%
King of the BritonsSteam only
Playing as Gwined, complete the main campaign by achieving a Long Kingdom victory.
Steam2.0%
The Mide TouchSteam only
Playing as Mide, complete the main campaign by achieving a Long Fame victory.
Steam2.0%
Short But SweetSteam only
Playing as Strat Clut, complete the main campaign by achieving a Short Fame victory.
Steam2.1%
King of the BritonsSteam only
Playing as East Engle, complete the main campaign by achieving an Ultimate victory.
Steam2.2%
Azure, a Saltire OrSteam only
Playing as Mierce, complete the main campaign by achieving a Short Kingdom victory.
Steam2.2%
The Emerald IsleSteam only
Playing as Dyflin, complete the main campaign by achieving a Long Kingdom victory.
Steam2.2%
Infamy, Infamy!Steam only
Playing as Dyflin, complete the main campaign by achieving a Long Fame victory.
Steam2.3%
Swift FireSteam only
Playing as Strat Clut, complete the main campaign by achieving a Long Conquest victory.
Steam2.3%
Asking for TroubleSteam only
Playing as any faction, complete the main campaign, achieving a Short victory on Legendary difficulty.
Steam2.3%
Monarch of the FenSteam only
Playing as Northymbre, complete the main campaign by achieving a Long Conquest victory.
Steam2.3%
Circenn My RegardsSteam only
Playing as Circenn, complete the main campaign by achieving a Long Conquest victory.
Steam2.3%
Grooving with the PictsSteam only
Playing as Circenn, complete the main campaign by achieving an Ultimate victory.
Steam2.3%
Acute EngleSteam only
Playing as East Engle, complete the main campaign by achieving a Short Fame victory.
Steam2.3%
Offa's HikeSteam only
Playing as Mierce, complete the main campaign by achieving a Long Conquest victory.
Steam2.4%

Showing 60 of 137

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How rarity is calculated

Each platform calculates rarity from its own player population. These percentages are shown side by side but are not a controlled comparison.

Steam — Valve's published global unlock percentage across Steam owners of the game.

Percentages are shown exactly as each platform publishes them. Pyroblast does not recalculate them and does not mix player populations together. Data updated July 3, 2026.