Half rape-on-lose and half rape-on-win, Desire Dungeon has some nice monster girl scenes, despite the lack of voice acting and mediocre art. The game is a dungeon crawler, except not really because you can only walk forward and backwards. It’s kind of a joke gameplay-wise and also requires a lot of grinding.
Desire Dungeon

Tags:
Angel Heroine
comedy rape
Consensual Sex Involving Slime Monsters
Cowgirl
Dragon Heroine
Early Sexual Content
fairy heroine
female domination
Fighting Heroine
Fighting Protagonist
Goddess Heroine
High Sexual Content
Intercrural Sex
Loli Heroine
macrophilia
male protagonist
Medieval Fantasy
Monster Girl Heroine
Monster Girl Support Character
More Than Seven Heroines
Nukige
Past Setting in a Fictional World
Reverse Rape
Sex with Monster Girls
Sex with Protagonist Only
Sounds of Copulation
Straight Lolicon
Tailjob
unnamed protagonist
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149 comments
I don't know why eroges are so so grindy, noone wants to grind that much.
And on the opposite end of the feels spectrum Fighter's ending made me feel nothing, just go that's it?
Also, an easy way to beat the final boss is to use the Mirage skill. If she uses her tail to coil around you for an ero attack, she will hit the mirage instead and become stunned for a few turns, allowing you to get some free hits (or Drain Kisses, if you have that skill).