What changed in Besiege in 2026

Added the Fuel Pump block for fuel management between storage systems.

Fixed GPU particle smoke on boosters not applying shadows correctly.

The Broken Beyond expansion is now fully supported on Mac.

Fixed some planet scaling problems in the level editor.

Introduced an advanced mode for the fuel gauge to set upper and lower bounds.

Expanded maximum map size in Multiverse from 2 km³ to 16 km × 8 km × 16 km.

Fixed a bug where springs would have gravity even though zerog was enabled.

Block category buttons can now be dragged and reordered.

Fuel hoses now save their randomisation seed for the wiggle.

Fixed case where boosters would not respond to input or automation properly.

Multiplayer bounds expanded from 4 km x 1.5 km x 4 km to 16 km x 8 km x 16 km.

The black hole is now available in the sandbox mode.

Fixed a very old bug that would prevent custom levels from loading with color data.

Introduced the Shattered Citadel level in The Broken Beyond campaign.

Boosters now respond to their fuel amount, allowing thrust to be limited.

Fixed grenade decals not acting as expected in space.

The final development post for The Broken Beyond expansion, releasing on June 22nd, introduces new space levels and features.

Players can now load workshop machines with DLC blocks without owning the DLC, but cannot modify those blocks.

Added Infinite fuel, Disable firespread, and Click to explode god tools.

Added Blaster block, Booster block, Parachute block, Metal Wheel block, Control Thruster block, Inertial Steering block, Rocket Fin block, Grid Fin block, Small Fuel Barrel block, Large Fuel Barrel block, Fuel Hose block, Fuel Coupler block, and Fuel Gauge block.

Fixed issue where leaderboards would cause crash on Linux.

The Broken Beyond expansion includes secondary objectives and new achievements for players to unlock.

Default block keys have a more unified control scheme for new players.

New space campaign with 11 levels and various new blocks.

The expansion features a sandbox environment with several planets and moons to explore and manipulate.

Flamethrower flame is now blocked by armor blocks, uses the new fuel system, and has a texture to reflect fuel usage.

Tried improving anglometers.

Blocks with direction arrows now place with a default direction that makes more sense.

Explore new space levels set in the Aranea star system, including encounters with The Void Drifters and Xenomaws.

Introduction of multistage systems to improve mass efficiency in spacecraft.

Changes to how fire behaves in space, affecting propulsion methods.

New mechanics for balancing weight, thrust, and fuel in spacecraft design.

New atmospheric mechanics affecting aerodynamic forces and design considerations.

New strategies for weapon placement on spacecraft for better targeting.

New blocks for building spacecraft, including Control Thruster, Inertial Steering block, and Booster block.

Besiege: The Broken Beyond is coming June 22nd!

Winners of the Mecha Contest: 1st Place - Devastator by pukku131, 2nd Place - Unicorn by Fnom3, 3rd Place - Reaver Titan by Ylikangas, Honorable Mention - Divine Beast Vah Naboris by RafVicAlv.

A fin that guides airflow around machines, providing stabilization and altering flight paths in the atmosphere.

A new fuel system is introduced for the first time in Besiege, details to be revealed in the next post.

The Broken Beyond expansion introduces 12 new blocks designed for building space machines.

A block that provides fine orientation control for machines in space, functioning similarly to an RCS Thruster.

A deployable parachute that can be customized for drag control during descent.

A powerful rocket engine capable of producing large amounts of thrust, designed for use in both atmospheres and space.

A fin that can be opened or closed to adjust aerodynamic drag, essential for controlling descent.

A new wheel designed for space-like environments, providing continuous traction over rough terrain.

A block that uses reactive torque for orientation, ideal for larger or faster machines.

Fixed camera block height can now actually be set to ±90 degrees.

'minChangeset' and 'maxChangeset' can now be specified on assemblies to control which versions of the game they run on.

'useMipMaps' can now be specified on resources to control whether mipmaps are created.

New block tooltips with a unified design and extra stats have been added.

Added more FPS options (up to 240hz) and a Vsync option.

Both the Cannon and Water Cannon now have a higher maximum power of 3x, up from 2x.

Fixed logic blocks not updating visually on the client if their output is unused.

You can now remap hotkeys for multiple blocks at the same time, improving customization of machine controls.

Fixed several cases where the keymapper would break undo history.

A host of tutorials have been added to The Splintered Sea expansion to teach players about building aquatic machines.

The expansion will allow players to utilize gravitational mechanics for slingshotting machines and establishing stable orbits.

The Broken Beyond expansion for Besiege is coming to Steam Q2 of 2026, introducing space-themed gameplay.

The expansion will feature a suite of new space-themed blocks and a new sandbox environment set in space.

Many celestial bodies in the expansion will have their own atmospheres, affecting forces applied to machines and block functionality.