Here is the full list of all 24 Lichtspeer trophies - there are 6 bronze, 10 silver, 7 gold and 1 platinum.
Buy first Lichtpower
Score 100 headshots
Kill 100 enemies
Get the Super Brillen artifact
Get the Farspeer artifact
Get your first artifact
Use a lichtpower for the first time
Platinum
Score 1000 headshots
Score 10000 headshots
Kill 1000 enemies
Kill 10000 enemies
Play Lichtspeer for 5 hours
Play Lichtspeer for 12 hours
Play Lichtspeer for 100 hours
Buy all Lichtpowers
Buy everything in the Lichtshop
Get the I see the Licht artifact
Finish the game on normal difficulty
Finish the game on normal+ difficulty
Finish the game on rage quit difficulty
Finish the game on rage quit+ difficulty
Get UBER ratings on all levels in normal difficulty
Get UBER ratings on all levels in rage quit difficulty