Besiege is a physics based building game in which you construct medieval siege engines and lay waste to immense fortresses and peaceful hamlets.
Build a machine which can crush windmills, wipe out battalions of brave soldiers and transport valuable resources, defending your creation against cannons, archers and whatever else the desperate enemies have at their disposal.
Gaming features only on Backbone
All your games in one place
Unlock the Backbone App's unified game launcher with a trial of Backbone+ Membership, included with every purchase of a Backbone One.
Play your hardware, anywhere
Already own a console or a PC? Jump back in from anywhere with direct support for Remote Play & Steam Link.
Find new games to play
Personalized recommendations to find your next favorite game.
Voice chat and multiplayer lobbies makes playing with friends or strangers seamless across games.
Capture, edit, share
With features like flashback recording, clip editing, and more, never miss a moment.
Play on any screen
Use your Backbone One controller with any USB-C device, including iPad, Mac, and PC.
Get notified when it’s game time
See when your friends on Backbone start playing so you can join them.
Discover what’s new
View in-game highlights from the community and discover the next big thing.
Stream To Twitch or Youtube
Go live in one tap, and share your skills with the world.
Gaming Mode with iOS
Automatically turn on iOS Gaming Mode to silence notifications when you connect your Backbone One controller.
Next-level mobile gaming
There’s really no comparison.
Better control with physical buttons and easier stability.
Better accuracy with directional pad and joystick sensitivity.
Better gameplay is waiting for you on a Backbone One.
Free access to over 350 console games & perks included with purchase of a Backbone One
1 month free trial of Game Pass Ultimate
3 months free trial of Discord Nitro
1 month free trial of Apple Arcade
Transform your phone into the ultimate game console. Snap in and play any game or service that supports controllers, including Xbox Game Pass Ultimate, Apple Arcade, or even stream directly from your Xbox, PlayStation, or PC.
No charging, no waiting for updates, no tedious setup. Uncover a new world of mobile gaming in seconds.