- Steam App
- Stack Chaos: Alien Express (4511290)
- Event type
- patch note
- Published
- 16 April 2026 - 14:14:59 UTC
- Source
- steam_community_announcements
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 it unlocks all 3 variants at once