First of all... Thanks for the kind words! It means trully so much. I love when people say my game touch them hearts <3
Second...
SPOILERS!
The games divide it routes like that:
0 ENEMIES KILLED
< 16 ENEMIES KILLED
16~31 ENEMIES KILLED
30 or more ENEMIES KILLED
You get the route +32 enemies. To really get the genocide (In this game called GURO ROUTE)
You need to kill the enemies like this:
1) KILL ALL THE ENEMIES ON THE FOREST BEFORE GET THE SCRIPTED COMBAT WITH EMELISHY ON THE WOOD BRIDGE (You will get a dark skin and Cozbi saying something about "the silence")
2) KILL ALL THE EMELISHYS (The one of the bridge and the others that are on the minilake map. Emelishys ONLY apear like that, not for Steps)
3) At this point, if you do everything fine, the DUSOME HANCK battle with change a lot, you will realize you do the correct battle, don't worry.
4) AFTER DUSOME HANCK, YOU NEED TO RETURN (You can only can return with MUSTAOCK). And go to the HIVE.
5) ON THE GIVE, ALL ENEMIES CAN BE SEEN ON THE MAP. APPROACH TO BUTTERFAILS AND ENTER BATTLE FOR KILL THEM, AN ON THE OTHER ROOM, APPROACH BUZZBEES AND KILL THEM
6) IF YOU DO EVERYTHING FINE, THE REST OF THE PUZZLES CAN BE SKIPED, AND WHEN YOU ARRIVE THE LAST ZONE (MOUNTAIN), YOU WILL HAVE 5 SCRIPTED BATTLES, THE LAST ONE YOU WILL HAVE. IF YOU KILL THEM ALL, YOU WILL GET THE GURO ENDING.
I hope this work for you!