By Date
Ice Caverns
Watermelon0254 0 comments
Thermal Detonator (from Star Wars)
Watermelon0254 0 comments
Controlable Uranium Reactor
Watermelon0254 6 comments
Implosion Deuterium-Uranium Hybrid Bomb
Watermelon0254 0 comments
Fusion-Powered Heavy Freighter
Watermelon0254 0 comments
Charged Lithium Rocket
Watermelon0254 0 comments
I have ran out of ideas.
Watermelon0254 3 comments
City
Watermelon0254 0 comments