What is the lowest bowling score you can get with six strikes?

The absolute lowest score would be 60.

First frame - Strike

Second frame - Two Gutter Balls

Third frame - Strike

Fourth frame - Two Gutter Balls

Fifth frame - Strike

Sixth frame - Two Gutter Balls

Seventh frame - Two Gutter Balls

Eighth frame - Two Gutter Balls

Ninth frame - Two Gutter Balls

Tenth frame - 3 Strikes (Total points here = 30)