

Accumulate 100 light beam bounces across all your solutions
Find an alternative solution for a level
Find 25% of all solutions
Find all solutions for a level with at least 3 possible solutions
Solve level 9 by hitting all the movable objects (tick tack toe)
Solve level 6 using 2 or less mirrors (rotation intro)
Solve a previously skipped level
Solve level 4 without using the side mirror (2 glass pieces)
Find more solutions than the devs in at least one level
Solve level 12 using only one mirror (3 movable concave mirrors)
Solve all levels
Accumulate 500 light beam bounces across all your solutions
Solve level 12 using one of the mirrors twice (movable concave mirror)
Find 50% of all solutions
Solve level 11 not using the mirrors counterclockwise and without skipping any (big round mirror)
Solve Level 27 with more than 2 bounces
Solve level 11 letting the light bounce at least 25 times (big round mirror)
Accumulate 1000 light beam bounces across all your solutions
Find 75% off all solutions
Find all solutions the devs planned
Find all solutions the devs planned and at least one more
Collect all trophies