By Date
4 cyl diesel engine
6 comments
Modular SMG/Submachine gun
10 comments
Ramjet
0 comments
Nuclear Fusion reactor
6 comments
Water injected turbofan engine
0 comments
4 cyl diesel engine V2
3 comments
turbo gas 1 cylinder
0 comments
Bomb Tester/Challenge
1 comments
Wooden Tank (Incendiary shells)
0 comments
fully destructible nuclear power plant
0 comments
GDI supercharged engine
3 comments