Steam

Extremely Realistic Siege Warfare Simulator

Also known as Extremely Realistic Siege Warfare Simulator, ersws, extremely realistic siege warfare simulator

Extremely Realistic Siege Warfare Simulator is a physics-based tactical strategy game where you must lead a military force in a fantasy medieval world. Build an army. Construct siege equipment. Experience epic battles. Lead your people to victory!!

Read full announcement Browse all updates Add Discord alerts

Last update

16 May 2026

Players now

Original sources

Latest update

AnnouncementPublished 29 Apr 2025

Regular Updates 20250429

Hello, Map Pack and Sandbox Editor are now available. Players who previously pre-paid will receive this DLC as a complimentary gift. Thank you for being so supportive! Version 0.92.022 Major Updates: 1. Fixed an issue w…

2 changesFixMaps

Read full announcement

Latest updates

Update history

Browse past updates and patch notes for this game.

20updates

April 2025
【Important Notice】Content Change CompensationHello, Today, Extremely Realistic Siege Warfare Simulator has officially transitioned to free download. To compensate for the price difference and show our gratitude, we are offering the following gifts to all players w…Event8 changesBalanceMaps17 Apr 2025
Important Announcement: Transition of the Game to Free Download.Hello, It has been more than a year since we last updated the Default branch of the game. Some players have asked in the community and forums whether the development team has abandoned this project. The answer is "No, w…Event15 changesGameplayStore12 Apr 2025
May 2024
May 25 UpdateAdded 2 new maps: At Swords’ Points, and Flying Arrows. Neutral siege equipment is added, too. Added a new map created by players, War Box. The map’s default save file can be found in workshop. Added collision for arrow…Announcement5 changesFixMaps25 May 2024
Added 3 maps for infantry battles, Pinch Pennies, Rock Up, Ace Strategist. In the 3 maps, the store does not provide ballista and catapult. Adjusted the strength of reinforcements in 2v5 maps. Removed cavalry from Path…4 changesFixMapsStore13 May 2024
April 2024
Hello Commanders! We are releasing some content updates and optimizations. Check it out now! Updated troop indicator’s animation effect. Added a new PvP map: Spread Fire Added a new wagon battle map: Floating Front Adju…14 changesFixGameplayStore25 Apr 2024
March 2024
March 1st UpdateHello Commanders! We are releasing some content updates and optimizations. Check it out now! Sandbox editor: Added notifications for uploading maps Sandbox editor: Added link rules for some tiles Fixed the issue that so…Announcement9 changes3 numericFix01 Mar 2024
February 2024
Workshop Test We are finishing the Workshop function, and it can be accessed now! If you want to be a tester to create and share your maps, clink the Workshop Tester link and we'll approve your qualification. With the W…13 changes2 numericFixPatch notes02 Feb 2024
December 2023
DEC 22 UpdateHello Commanders! We are releasing some content updates and optimizations. Check it out now! Added 2 asymmetric PvP (2v5) maps, Reversal of the Tide, and Concentrated Attack. 2 defensive teams can recruit mercenaries to…Announcement5 changesFixMaps22 Dec 2023
October 2023
New Maps and Some Optimizations! OCT 19 UpdateAdded 2 new PvP maps, Fight for Every Inch, and Beacon Fire Everywhere. Fixed an issue that units may get stuck when using Spear Wall Charge and Shield Wall Charge. Frontline Spearmen's cost is reduced to 800, and Spear…Announcement6 changesFixMaps19 Oct 2023
September 2023
SEP 28 HotfixFixed the issue that AI allies may stuck when restarting tutorial levels. Adjusted fire arrows’ dispersion area to make it more consistent with skill pointer. Adjusted the F2 and F3 hit stick pointer’s scale velocity. F…Announcement8 changesFixGameplay28 Sept 2023
New Map & Function – SEP 15 UpdateHello Commanders! We are releasing some content updates and optimizations. Check it out now! Added a new Encounter map, Defenders and Attackers Added chat function in Multiplayer room The right mouse controls the moveme…Announcement10 changesFixMaps15 Sept 2023

Older updates

Gallery