1.0.68b - only 64 bit systems (more than 2 GB of RAM is required)
1.0.68 - Rate of fire does not depend on FPS
1.0.67 - Optimized obstacles - Removed grass (there are too many herbs on such large levels) - Added clouds (can be enabled through the game menu. Only for strong video cards)
1.0.66 - huge optimization - expanded welcome window functions
1.0.65 - added a welcome window with settings - optimized trees and grass on the base - added video quality setting
1.0.64 - Added trees, stones and grass
1.0.63 - Optimization of player buildings
1.0.62 - Removed brightness - Added the ability to close windows with the Esc key - Help progress is saved - Music worked out - added mouse sensitivity menu - redesigned
1.0.61 - added tips on the game - Ability to close windows - Minor optimization
1.0.60 - cheats turned off - fixed start and first mission
1.0.59 - AutoSave at Back to Base - GameVersion Log (This window)
1.0.58 - Windows x86 support
Update 1.0.68b
Source: Steam Community (opens in a new tab)