MONSTER CODEX

by Monsterlay

Uncensored Windows

Versionv2026.10.7

EngineOthers

Released2026-10-09

Updated2026-10-09

LanguageEnglish, Japanese, Chinese (Simplified)

2DCG AI CG Anal Sex Fantasy Futa/Trans Horror Male Protagonist Monster Monster Girl Oral Sex Scat Tentacles Vaginal Sex

About MONSTER CODEX

MONSTER CODEX is an adult game by Monsterlay. The latest build is v2026.10.7, updated on October 9, 2026. It runs on Windows. Text is in English, Japanese and Chinese (Simplified), and the game is uncensored. The game uses hand-drawn 2D art and AI-generated art, and you play as a male protagonist. Players tag it with fantasy, horror and monster girl, alongside anal sex, futa/trans and monster content.

Game description

MONSTER CODEX is an adult dark fantasy visual novel and a standalone sequel to MONSTERLAY . The royal court has tasked you with completing a monster codex. Explore different regions, discover monsters, and collect character and event cards as you learn about each species and its way of life. This free release includes 6 playable characters. No payment or Patreon membership is required.