New scenario in TD style

[ggrnd0]

In world randomly spawns infinite sources of mixed resources and follows belts to void target.

You must build facility to consume resources.
every 'spawned' resource increase your point by 1.
every 'voided' decrease by 2.
when your point le 0 - you loose.

spawn progress draft>>>

on start you have 10k points.
first wave spawn 1k resource w/ 5i/sec rate.

every wave hardeness is 1/10 of your points.
every wave +1i/sec faster
wave delay is 1/100*point (sec) - wave lvl
-- configure difficulty

with research progress spawns random rich items in low rate.
example, spawn rocket parts in 1/100'000 chance after rocket silo researched.