Robo Defense VR Training Combinations

[David Sevenfold]

I was wondering if anyone would care to share the combinations to their favorite VR Training levels. Two of my favorites are

A2841
B3222

Both are very easy if you're looking for the 'play 5 times' achievements.

 

[Mrmutz]

A3210
b0900
c0900
d6200

 

[Mnimetic]

D2402 is the best I've come across so far, enjoy.