-Saving now uses steamworks, making your progress consistent between PCs
-New enemy: Plasma fighter. Weak enemy with homing plasma missiles.
-New enemy: Warp Bomb. Has a tractor beam and explodes into a group of singularity missiles on death.
-Added dumbfire ammo for many projectile weapons. It has a wobbly trajectory and high heat but deals heavy damage.
-Increased enemy variety on most maps.
-Added Phobos and Electron Storm to co op
-Multiplayer map select buttons look nicer
-Bigger powerups
-Camera follows a bit faster
-Scrolling through items is 73% less wonky
-Flamethrower handles inertia better and deals more damage
-Updated boss rush to include all bosses
-Fixed a bug which was reducing performance when bots were in the game
-Bots now take less collision damage in co op
-Howitzer shells are sparklier
-AI improvements on several enemies