Developer posts and news about this game.
New premium ships! 7 new characters (Bathtub, Hake, Fridge, Duckling, Sardines, Sofa, Toilet) with 3 variants each: Rusted, Golden and Diamond Progressive unlock system: climb from Rusted → Golden → Diamond as you earn score Each character is also available as a Steam DLC: buying
Fixed game freeze when music tracks change UFO now auto-centers at the start of every game (Arcade, Start Game and Retry) for a consistent experience Performance improvements on music streaming
Leaderboards • Fixed an issue where leaderboards only kept the last score instead of the best score. Your highest score is now preserved across sessions. • Fixed player avatars not displaying correctly in the ranking list. • Avatars now update properly when switching between game
🛠️ Bug Fixes • Fixed an issue where Steam achievements were not unlocking during gameplay. • Improved perfect delivery detection — precision placements are now properly recognized and rewarded. • Fixed a rare crash when returning to the main menu after a long session. ⚙️ Improve
Fixed Time Trial mode not ending when timer reaches 0 Fixed room code copy functionality Fixed joining specific matches instead of random mode Retry now restarts the game and centers the camera Fixed black text on signs Fixed 50-object mode not ending at 50 objects Fixed intro se
What is Stack Chaos: Alien Express? You pilot a goblin UFO that drops possessed objects with a pendulum tractor beam. Where it lands, it stays. You've got 5 seconds per delivery. Physics does the rest. Over 400 cartoon horror objects dangling from a pendulum with real inertia. Ev