By Date
self healing cell v3
0 comments
twin bomb
3 comments
plutonium fission power plant
0 comments
element idea
0 comments
survive figh invasion
0 comments
implosion bomb v2
0 comments
Fusion power plant
0 comments
destructive hydrogen
1 comments
Simple water boiler
0 comments
Hypernova bomb
0 comments
gas giant
0 comments