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Steam News4 June 20261mo ago

June 4th 2026 - Patch 1.21.0 - Going Nuclear

v1.21.0 General: -Engine has been upgraded, should result in smoother performance across the board -Added a graphics option to reduce the intensity of your weapons visual effects -Increased the contrast of enemy project

Full notes

Full Gunbot Diplomacy update

Read the full published notes in a cleaner layout. The original post stays linked below.

What changed

1 fix2 additions1 change0 removals
  • UI and audio
  • Gameplay
  • Balance
  • Maps
addedEngine has been upgraded, should result in smoother performance across the board -Added a graphics option to reduce the intensity of your weapons visual effects -Increased the contrast of enemy projectiles to make them easier to see -Adjusted enemy death visual effects to reduce screen clutter -Added a small animation to the level timer when it is counting down the last handful of seconds -You can no longer select Modules with the right mouse button when leveling up (to prevent accidental selection) -You can now cancel the endless stats window at any point during its animation, and a prompt has been added for it -Added a simple loading screen when starting the game from the menu
changedGameplay:
addedAdded a new enemy, the Atomic Slime -Added a new Weapon System -Added two new Modules -Increased the number of early game enemies, and reduced their health (dps required remains unchanged, you just have more enemies to kill now) -Buffed Railgun (reduced cooldown) -Slightly reduced Revolver cooldown and damage (dps relatively unchanged) -Added a 6th rank for the Addon that grants upgrade banishes -Increased the health of the BFG slightly -Increased the size of the safe zone around the player where enemies cannot spawn -Slightly rebalanced the cost of a few Upgrades -Increased the base duration of the Decoy module
fixedFixed a tile that was not supposed to be a slime hazard but was acting like a slime hazard in an endless map -Reinstated a missing VFX in the menu -A number of optimizations mainly aimed at VRAM usage and reducing possible fps dips -Fixed a bug where the correct gameobject wasnt selected for interaction when swapping between gamepad and mouse controls if the Joker Module picker was open in the menu -A number of small bugs have been fixed

Gunbot Diplomacy changes

addedEngine has been upgraded, should result in smoother performance across the board -Added a graphics option to reduce the intensity of your weapons visual effects -Increased the contrast of enemy projectiles to make them easier to see -Adjusted enemy death visual effects to reduce screen clutter -Added a small animation to the level timer when it is counting down the last handful of seconds -You can no longer select Modules with the right mouse button when leveling up (to prevent accidental selection) -You can now cancel the endless stats window at any point during its animation, and a prompt has been added for it -Added a simple loading screen when starting the game from the menu
changedGameplay:
addedAdded a new enemy, the Atomic Slime -Added a new Weapon System -Added two new Modules -Increased the number of early game enemies, and reduced their health (dps required remains unchanged, you just have more enemies to kill now) -Buffed Railgun (reduced cooldown) -Slightly reduced Revolver cooldown and damage (dps relatively unchanged) -Added a 6th rank for the Addon that grants upgrade banishes -Increased the health of the BFG slightly -Increased the size of the safe zone around the player where enemies cannot spawn -Slightly rebalanced the cost of a few Upgrades -Increased the base duration of the Decoy module
fixedFixed a tile that was not supposed to be a slime hazard but was acting like a slime hazard in an endless map -Reinstated a missing VFX in the menu -A number of optimizations mainly aimed at VRAM usage and reducing possible fps dips -Fixed a bug where the correct gameobject wasnt selected for interaction when swapping between gamepad and mouse controls if the Joker Module picker was open in the menu -A number of small bugs have been fixed

v1.21.0

General:

-Engine has been upgraded, should result in smoother performance across the board -Added a graphics option to reduce the intensity of your weapons visual effects -Increased the contrast of enemy projectiles to make them easier to see -Adjusted enemy death visual effects to reduce screen clutter -Added a small animation to the level timer when it is counting down the last handful of seconds -You can no longer select Modules with the right mouse button when leveling up (to prevent accidental selection) -You can now cancel the endless stats window at any point during its animation, and a prompt has been added for it -Added a simple loading screen when starting the game from the menu

Gameplay:

-Added a new enemy, the Atomic Slime -Added a new Weapon System -Added two new Modules -Increased the number of early game enemies, and reduced their health (dps required remains unchanged, you just have more enemies to kill now) -Buffed Railgun (reduced cooldown) -Slightly reduced Revolver cooldown and damage (dps relatively unchanged) -Added a 6th rank for the Addon that grants upgrade banishes -Increased the health of the BFG slightly -Increased the size of the safe zone around the player where enemies cannot spawn -Slightly rebalanced the cost of a few Upgrades -Increased the base duration of the Decoy module

Fixes:

-Fixed a tile that was not supposed to be a slime hazard but was acting like a slime hazard in an endless map -Reinstated a missing VFX in the menu -A number of optimizations mainly aimed at VRAM usage and reducing possible fps dips -Fixed a bug where the correct gameobject wasnt selected for interaction when swapping between gamepad and mouse controls if the Joker Module picker was open in the menu -A number of small bugs have been fixed

Source

Steam News / 4 June 2026

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