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Summa Expeditionis
Summa Expeditionis is a colony sim and base building game set in ancient Roman Empire. Follow the career of a Roman soldier from Legionnaire to Centurion. Build and manage your camp, recruit more soldiers and face the barbarians for the glory of Rome.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-02 · quoted reviews as of 2026-05-15.
What reviewers agree on
36 of the 73 reviews raise this.
15 of the 73 reviews raise this.
5 of the 73 reviews raise this.
4 of the 73 reviews raise this.
“ICL I was so ready to write this game off at the start, its a little confusing which made it infuriating when I died. But I gave it one more go and I've been hooked. Yes there's a few bugs and hitches but some are…”
4 of the 73 reviews raise this.
“well the game is a bit janky right now but with a bit more polishing from the devs i think that it will be much better. great buy at this point so buy it while its semi-cheap lol”
“After several hours of gameplay I am enjoying the atmosphere and the planning of my Roman Legion. The only deficit I can see atm is the cluttered UI / and complicated angles And that Combat is very..... how to put it...…”
19 of the 73 reviews raise this · 11 of them still recommend the game.
“This is the only game I have in my library that managed to push RX9060XT 16gb OC to dangerous temperatures, at 96 celsius and 100% fan speed card had to do safety shutdown. No matter the settings, DoF is blinding and…”
“I want to like the game, it should be right up at alley. However, lots of buds and constant hitches make it really unenjoyable to play. The ui is convoluted and not interesting.”
“ICL I was so ready to write this game off at the start, its a little confusing which made it infuriating when I died. But I gave it one more go and I've been hooked. Yes there's a few bugs and hitches but some are…”
17 of the 73 reviews raise this · 8 of them still recommend the game.
“I don't get it. I don't understand how to use craft tables. I don't understand how to delegate tasks to NPCs or how to reassign their tools. I don't understand how to use ranged weaponry. This game seems like is should…”
12 of the 73 reviews raise this · 6 of them still recommend the game.
“This is the only game I have in my library that managed to push RX9060XT 16gb OC to dangerous temperatures, at 96 celsius and 100% fan speed card had to do safety shutdown. No matter the settings, DoF is blinding and…”
“I want to like the game, it should be right up at alley. However, lots of buds and constant hitches make it really unenjoyable to play. The ui is convoluted and not interesting.”
“Loaded the game because i've been waiting for a game like this as a roman history nerd. This game has a lot of potential and cant wait for a expansion on the quest line. For now the game is a bit hard because of the…”
10 of the 73 reviews raise this · 4 of them still recommend the game.
“I want to like the game, it should be right up at alley. However, lots of buds and constant hitches make it really unenjoyable to play. The ui is convoluted and not interesting.”
“While a little rough, the vision and foundation are very promising. The developer is obviously a big fan of the Roman history and it shows in the extra detail from everything from the names to the equipment. They still…”
“It's okay so far, Bit of a problem I just booted up and was going through the opening scenes but the tutorial hints are so damn small I can't even read some of the text. It asked me to form the men onto a column but I…”
9 of the 73 reviews raise this · 4 of them still recommend the game.
“I don't get it. I don't understand how to use craft tables. I don't understand how to delegate tasks to NPCs or how to reassign their tools. I don't understand how to use ranged weaponry. This game seems like is should…”
“Clunky but fun and immersive”
“A game with a lot of good inspiration but no ability to do any of it right. AI is nonsensical. Mechanics and Controls are unintuitive. Archery just doesn't work. Horribly unoptimized. Its a 1.0 but has more bugs and…”
Counted across 73 English reviews, sampled to match this game's 71.8% positive rating · as of 2026-05-15
“Its currently a jankfest that makes your eyes bleed (esp the camera movement is so weirdly micro-stuttery that the eyes hurt but you get used to it lol) but maaaaan does this game have potential (yes, I said it... the most toxic word on Steam) I get it we´ve all been burned by…”
— a player, Steam review · 16 hrs played“Great game, but fair warning it is *soo* unoptimized even on low graphics settings”
— a player, Steam review · 4 hrs played“I really want to like this game. It's obviously this developer's first project. The game design is really strange because of this. The tutorial / intro to the game doesn't meaningfully explain how the system mechanics work, I tried to brute-force my way through considering most…”
— a player, Steam review · 4 hrs playedPlayer activity
Monthly average concurrent players. Live data self-collected from the Steam API · history through 2026-07 via SteamCharts.
Achievement stats
Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-26.
Price tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-08-13. Steam prices vary by region — always confirm your local price on Steam.
Regional prices at last sample, in local currency — Steam sets each region's price independently.
Cheapest → most expensive, converted to USD at ECB reference rates (2026-09-25). Relative comparison only.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Greek Campaign is now live! 🏛️ 1.1 Update
Salve, centurion The new Summa Expeditionis update is now available. Today we set sail for Greece with our first major campaign since Hispania and our biggest update since version 1.0 launched in May
🏕️ Summa Expeditionis is joining PvE Survival Crafting Fest 2026!
Salve, centurion Gather your resources, expand your settlement, and survive the ancient frontier. We are thrilled to announce that Summa Expeditionis is officially participating in the Steam PvE Survi
New Dialogue System 💬 Dev Diary #4
Salve, Centurion! We are continuing our work on the first major update for Summa Expeditionis since the release of version 1.0. In previous development diaries, we introduced some of the content and i
New Menus and Camp Relocation 🏛️ Dev Diary #3
Salve, centurion! We are continuing our work on the next Summa Expeditionis update and its new campaign set in Greece. In this third development diary, we are introducing several new tools for managin
New factions coming with Greek campaign 🏛️ Dev Diary #2
Ave, Legates! Welcome to the second Dev Diary for the upcoming Greek campaign , coming to Summa Expeditionis at the end of summer. Last time, we gave you a first look at the new campaign . Today, we w
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-15.
| Genres | Action, Simulation, Strategy |
| Player tags | Base-Building · Survival · Rome · Management · Sandbox · Simulation · Strategy · Building · Exploration · Crafting · City Builder · Action (SteamSpy community voting) |
| Features | Single-player · Steam Achievements · Steam Cloud · Family Sharing |
| Languages | English, Spanish - Spain, French, German, Italian, Turkish, Spanish - Latin America, Polish, Portuguese - Brazil, Portuguese - Portugal, Simplified Chinese, Korean, Japanese, Russian |
| Achievements | 4 |
Minimum system requirements (PC)
Minimum: OS *: Windows 7 or later Processor: 2.6 GHz Quad Core or similar Memory: 8 GB RAM Graphics: GeForce GTX 950 or Radeon HD 7970 Storage: 1 GB available space