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Steam News4 December 20257mo ago

⚔️ 0.4.0 Update - Sandbox Mode, new factions and more! ⚔️

Our biggest content expansion yet! Legionaries! Update 0.4.0 has arrived, packed with new features that transform your expedition on the Empire’s frontier.

In this update9

Full notes

Full Summa Expeditionis update

Read the full published notes in a cleaner layout. The original post stays linked below.

What changed

0 fixes16 additions9 changes0 removals
  • Gameplay
  • Store
  • Balance
  • UI and audio
  • Server
addedOur biggest content expansion yet!Legionaries! Update 0.4.0 has arrived, packed with new features that transform your expedition on the Empire’s frontier. New factions, new systems, new buildings… and an entirely new mode for those who want to build without limits.
added🧭 New Management SystemsBrand-new Marker Management Menu .
added🧭 New Management SystemsBrand-new Mission Management Menu .
changed🌄 New Game Mode: SandboxBuild, experiment, and shape your ideal camp freely. Creative freedom for Rome’s strategists and architects. All buildings and tiers unlocked, starting with 10 soldiers and a bunch of resources.
added🏛️ New Buildings and DecorationsNew interior items: fabric room dividers in multiple colors, wood & wicker divider , window curtains .
changed🏛️ New Buildings and DecorationsWoodpile : store firewood and stumps more compactly.

Summa Expeditionis changes

addedLegionaries! Update 0.4.0 has arrived, packed with new features that transform your expedition on the Empire’s frontier. New factions, new systems, new buildings… and an entirely new mode for those who want to build without limits.
addedBrand-new Marker Management Menu .
addedBrand-new Mission Management Menu .
changedBuild, experiment, and shape your ideal camp freely. Creative freedom for Rome’s strategists and architects. All buildings and tiers unlocked, starting with 10 soldiers and a bunch of resources.
addedNew interior items: fabric room dividers in multiple colors, wood & wicker divider , window curtains .

Our biggest content expansion yet!

Legionaries! Update 0.4.0 has arrived, packed with new features that transform your expedition on the Empire’s frontier. New factions, new systems, new buildings… and an entirely new mode for those who want to build without limits.

Prepare to explore, fight, and manage your camp like never before.

⚔️ MAIN NEW FEATURES

🧭 New Management Systems

  • Brand-new Marker Management Menu.

  • Brand-new Mission Management Menu.

🌄 New Game Mode: Sandbox

Build, experiment, and shape your ideal camp freely. Creative freedom for Rome’s strategists and architects. All buildings and tiers unlocked, starting with 10 soldiers and a bunch of resources.

🏛️ New Buildings and Decorations

  • New interior items: fabric room dividers in multiple colors, wood & wicker divider, window curtains.

  • Woodpile: store firewood and stumps more compactly.

  • Sack Shelf: organize your sacks on a sturdy wooden shelf.

  • New Tier 3 Kitchen.

  • Ability to enable/disable fuel types for each bonfire.

  • New Tier 4 walls.

  • Tier 1 Weapon Dismantling Building.

  • Clay piece drying shed.

  • Pottery kiln.

  • Clay bricks and roof tiles now available.

🛡️ New Factions

  • Astures: enemies and neutrals appearing throughout the campaign.

  • Illyrians: potential reinforcements for the Ninth Legion.

Both factions come with new weapons, armor, clothing, and unique settlement buildings.

🎨 Expanded Customization

  • New hairstyles, beards, and hair/skin colors.

  • New armor pieces for different body parts.

  • Pets can now be renamed, plus a new pet menu.

  • New player ranks.

🌐 New Languages

Now available: Russian, Korean, and Japanese.

⚙️ General Improvements

  • Complete overhaul of the interaction interface.

  • Inner camp building restrictions removed: you can now build across the entire influence area!

  • Several buildings reworked and descriptions updated.

  • Soldiers now wear… underwear.

  • New keybind H to hide the HUD.

🛠️ Time to Return to the Frontier

With new threats, new allies, new tools, and a Sandbox mode that opens infinite possibilities, this update takes Summa Expeditionis to a whole new level. And remember to join our Discord server:

DISCORD

Jump in and lead the expedition like a true centurion!

Source

Steam News / 4 December 2025

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