By Date
Particle accelerator
SonicBlast 8 comments
Nuclear bunker
SonicBlast 3 comments
Hypernova
SonicBlast 2 comments
Gun (or something)
SonicBlast 2 comments
Bomb testing area
SonicBlast 0 comments
Particle compressor
SonicBlast 0 comments
Firepower
SonicBlast 1 comments
Tough alloy
SonicBlast 1 comments
Nice terrain
SonicBlast 0 comments
Hydrogen nuke
SonicBlast 7 comments
volcano
SonicBlast 0 comments
Black hole
SonicBlast 0 comments