Additions

• Steam achievements
• Unlockable guns
• New rooms
• Booster pad, available in level editor
• Controls reference in pause menu
• More and improved SFX
• Black bars at the edge of rooms
• Mouseover tooltips for stats and abilities
• A judgy little emoticon
• One whole new ability
  

Adjustments

• Improved the title screen
• Improved some rooms
• Minor change to the cost of abilities and extra lives
• Improved the Missile's homing capabilities
• Tanks that die from fire will some some fire of their own behind
• Player stats have been moved to the corners of the screen
• Kills shown at the end of a run will scroll
• The Start button on a controller will now start the game if everyone is ready
• One way shields in the level editor are easier to manage
  

Bugfixes

• Fire SFX no longer continues to play when the game is paused
• Dying while choosing a reward will properly remove the reward options
• Fixed a performance issue with some particle effects
• Enemy turrets no longer occasionally effected by some mystery colliders
• The Gauss Laser ability destroys bullets as it should
• The Speed Boost ability damages enemies as it should
• The Barrel Drop ability works again
• Fixed a bug that stopped ghost players from respawning
• The one way shield and booster pad properly deselect in the level editor