Here is the full list of all 12 Streamers' Secret Life achievements.
Finished jigsaw number 06 (easy mode)
Finished jigsaw number 05 (easy mode)
Finished jigsaw number 04 (easy mode)
Finished jigsaw number 03 (easy mode)
Finished jigsaw number 02 (hard mode)
Finished jigsaw number 06 (hard mode)
Finished jigsaw number 05 (hard mode)
Finished jigsaw number 04 (hard mode)
Finished jigsaw number 03 (hard mode)
Finished jigsaw number 02 (easy mode)
Finished jigsaw number 01 (hard mode).
Finished jigsaw number 01 (easy mode).