My nominations:

1: Spacepost

https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=1097782363

2: Sequoia

https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=1094987903

3: Coastrock

https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=1231287299

4: Area 52

https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=512422248

5: Meltdown

https://steamhost.cn/steamcommunity_com/sharedfiles/filedetails/?id=546248385