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Besiege
Besiege is a physics building game about constructing medieval machines to annihilate armies, obliterate castles and overcome challenging obstacles. Conquer the campaign or skirmish with friends in Multiplayer!
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 2026-05-12.
What reviewers agree on
69 of the 103 reviews raise this.
“Unique and fun, but it doesn't do a great job of onboarding the player, lots of the more advanced things you can do require a youtube video to understand how to place the parts together in ways that have really specific…”
“dont normally play alot of non competetive games but this was a good play. affordable, adn if you delete your entire steam local files the game is still ok!”
“game is fun but it costs money, though it is definitely worth it.”
6 of the 103 reviews raise this.
“dont normally play alot of non competetive games but this was a good play. affordable, adn if you delete your entire steam local files the game is still ok!”
“game is fun but it costs money, though it is definitely worth it.”
“Definitely WORTH of its price super fun just love it! works great on low-end device"”
5 of the 103 reviews raise this.
“This game can be so ♥♥♥♥♥♥ hard at times, but it DOES feel hella good to be in the 2% of players to have beaten the campaign”
“Love it >You like getting late because you decided to use the 10min you have to build an engine in 2h with the recoil of guns as pistons? (which you can, and can forget time exists) >You like over engineering stuff…”
“Simple and incredibly effective. Some levels can be a bit tricky but the game system is very permissive so there’s no need to stress about it. It’s a fun way to kill boredom sometimes but it’s not the kind of game you’d…”
5 of the 103 reviews raise this.
“I'm about to make the Geneva Convention receive a sequel Forget the objective this is one of the games that you can just open sandbox mode enable cheats and build wild chaotic madness and that will certainly keep you…”
“Great game, great physics, good graphics, fun!”
“the graphics are cool”
5 of the 103 reviews raise this.
“I'm about to make the Geneva Convention receive a sequel Forget the objective this is one of the games that you can just open sandbox mode enable cheats and build wild chaotic madness and that will certainly keep you…”
“Love it >You like getting late because you decided to use the 10min you have to build an engine in 2h with the recoil of guns as pistons? (which you can, and can forget time exists) >You like over engineering stuff…”
“Very fun game. Extraordinarily open-ended, which means you can literally build a wall of cannons and use it to cheese half of the levels in the first area if you want to. Or, you can build a fully-functioning tank…”
5 of the 103 reviews raise this · 4 of them still recommend the game.
“Unique and fun, but it doesn't do a great job of onboarding the player, lots of the more advanced things you can do require a youtube video to understand how to place the parts together in ways that have really specific…”
“This game has no QOL at all. Hands down the most overcomplicated, frustrating pile of crap I have ever played.”
“Divertentissimo, lo stra consiglio. Molto rilassante e di ragionamento "ingegnieristico". Puoi costruire un sacco di tipi diversi di macchinari e ti fa veramente sentire la soddisfazione di trovare una soluzione del…”
4 of the 103 reviews raise this · 2 of them still recommend the game.
“i make big machine me pc cant handle big machine me get sad me plan next machine its a big machine... pc cant handle me sad”
“Unplayable on the Steam Deck. The configuration of either an external controller setup of just on the deck controllers makes it impossible. Avoid unless you plan play it on a PC. It’s a shame because having played it on…”
“Runs like ass, don't buy it if you have even an i7 12th gen, 16gb of ram and rtx 3070 ti.”
3 of the 103 reviews raise this · 3 of them still recommend the game.
“Very good game, a mix of puzzle and engineering Regularly crashes on macbook neo tough.”
“The Editor is perfect, and the Mods are amazing! (But PLEASE fix the "Dahor Vault" level, it is beatable, but your machine falls through the floor without warning.)”
3 of the 103 reviews raise this.
“Unplayable on the Steam Deck. The configuration of either an external controller setup of just on the deck controllers makes it impossible. Avoid unless you plan play it on a PC. It’s a shame because having played it on…”
“controls make no sense sensitivity is ridicolous how is this game reviewed positive”
“loser basement dweller devs cant even figure out how to make the camera work.. wow”
Counted across 103 English reviews, sampled to match this game's 95.1% positive rating · as of 2026-05-12
“"This is an awesome game. I remember playing it as a kid. The reason I am giving a thumbs down (for now) is that the game keeps crashing at the first mission on Valfross. I restarted the computer. Installed and uninstaled. Downloaded a driver. Nothing helped it. Unfortunately I…”
— a player, Steam review · 2 hrs played“The concept of this game is really fun, but I have to admit it's not for everyone. It might especially be difficult for people who don’t have an engineering-type mindset. At least that’s how it felt to me. After about the third level I already felt stuck — I had no idea how to…”
— a player, Steam review · 5 hrs played“Great idea, great execution. I enjoy spending time messing with machines while watching a video or a show on the side. The only thing that always felt missing is content. What you've been putting in the game does work great indeed, but I wish there was more. More enemies, more…”
— a player, Steam review · 21 hrs playedPlayer activity
Monthly average concurrent players. Live data self-collected from the Steam API · history through 2026-06 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 2026-09-05.
Price tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. 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 (2026-09-10). 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.
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-12.
| Genres | Indie, Simulation |
| Player tags | Simulation · Sandbox · Destruction · Physics · Medieval · Building · Moddable · Real-Time with Pause · Multiplayer · Puzzle · Flight · Replay Value (SteamSpy community voting) |
| Features | Single-player · Multi-player · PvP · Online PvP · LAN PvP · Co-op · Steam Achievements · Steam Trading Cards |
| Languages | English, French, German, Spanish - Spain, Japanese, Korean, Portuguese - Portugal, Russian, Simplified Chinese, Italian, Polish, Portuguese - Brazil, Traditional Chinese, Turkish |
| Achievements | 50 |
| Official site | http://www.besiege.spiderlinggames.co.uk/ |
Minimum system requirements (PC)
Minimum: OS *: Windows XP 64bit (latest SP) Processor: 2.2Ghz Dual Core Memory: 4 GB RAM Graphics: 1 GB Dedicated VRAM DirectX: Version 9.0c Storage: 3 GB available space