Talk:Research & Development/Audi R8 e-tron Special Edition/@comment-34326785-20180224171033

This message is about lab 4 and number of keys.

With a 4,5 hours timer for a 3 keys refill, I can play 9 keys each day (13,5 hours). So I'll have only 9*4=36 keys to pass lab 4.

By playing perfectly, one needs 31 keys to complete lab 4, as shown in the table above.

I'm really surprised that some of you completed all of lab 4, given that 31 keys is not a few (and that is by playing perfectly, which not many players will achieve).

Have you opened lab 4 early? Have you saved your QCs?