By Date
question/challenge
Mindustryfan 4 comments
heat engine
Mindustryfan 1 comments
pressure engine
Mindustryfan 0 comments
simple heat switch ...
Mindustryfan 0 comments
bouncy ball
Mindustryfan 0 comments
lenses or something...
Mindustryfan 0 comments
shotgun bullet or s...
Mindustryfan 5 comments
nuclear reactor
Mindustryfan 0 comments
land
Mindustryfan 0 comments
thunder pack
Mindustryfan 0 comments
matches
Mindustryfan 2 comments
"cool" thing
Mindustryfan 0 comments