• colors of destination airports and plane infoboxes changed
• revision of the level overview screen
• dropped the game outro screen, game immediately exits now
• "next level" button removed after the last level
• added a congratulation text when all levels have been completed

• hover effects on buttons
• several sound effects
• new 'option' screen (resolution, window mode, music/sound-volumes)
• a new cheat: type '0361' on the menu screen to unlock all levels
• planes now turn faster to their target course
• some ui improvements
• some bugfixes

Music can change the world ...

The first ATCo2 builds for Linux and MacOS are now available. Please report if you have any issues with them!

The game is now presented in a 16:9 ratio, regardless of your actual screen ratio. It should be playable now on any common resolution-settings. Please report, if you have any problems, so we can fix them!

Yeah, ATCo2 now contains 30 Steam Achievements! Get achievements for ...

• completing levels without losing a plane
• directing planes to their destinations
• playing this game incredibly long

• level maps got colorized
• time factor can be in-/decreased with +/- keys on numpad
• a new counter on the top now shows the number of planes ever landed
• a plane landed on its target airport now shows the CO2 equivalent per person emitted for this flight
• a new counter on the top now shows the total amount of CO2 equivalent per person emitted for all planes ever landed
• a new info text explains why a level was lost (co2 emissions vs. plane crashes/loses)
• minor change: a plane is marked landed when the center of the plane is inside the outer circle of the destination airport

• 7 new levels, now 20 levels in total
• optimized level parameters
• wind system implemented
• waves of more traffic in several levels
• after level time is over, all remaining planes must be directed to their destinations
• several bug fixes
• internal refactoring

• various screens redesigned (including new backgrounds)
• added scene transitions (fade in / fade out)
• new texts about climate impacts of aviation on level intro scenes
• increased the randomness of the planes origin airport
• resized planes and their infoboxes
• resized target airport texts/points
• distinguish wide-body and narrow-body planes
• redesign top- and bottom-panel in level view
• levels now sorted by number of target airports
• number of planes dependent on level
• individual level durations
• default plane speed dependent on level
• maximum carbon footprint dependent on level
• co2 penalty added when a plane is off course to target airport
• co2 penalty dependent on level