Hentai Mayhem is a wave-based roguelike by FleshForge Studio, built in Unity with animated 2D AI CG visuals. You play a male protagonist who fights through escalating stages, unlocks weapons and abilities, and builds relationships with companions through dialogue while facing bosses. The game blends combat, dating sim, and management elements in an adult setting.
Development is ongoing with v0.19 released on October 17, 2026. It runs on Windows in English and is uncensored. The latest update adds Aurora level 4. Earlier changes include Ember and Jade companion levels, Elyria joining the party, a new map with boss and enemies, extra death scenes, a new weapon, firestaff attack tweaks, revamped scenes, gallery or selection panel improvements, enemy path changes, and map chunks.
Developer's description
Hentai Mayhem (Monster Survivors) is a wave-based roguelike that combines intense combat with dating sim elements. Battle through increasingly challenging waves, unlock powerful weapons and abilities, build relationships with unique companions through dynamic dialogue, and face epic boss encounters as you progress through stages, all while pushing your skills to the limit.
v0.19
Aurora level 4 is here!
v0.18
Ember level 5 added, Closing her path for now.
v0.17
Ember level 4 is here with some very heated scenes
firestaff attack modification
revamp all lvl 1 scene
revamp all death scene in the ruins map
revamp elyria
upgrade stats display
scenegallery modification
selection panel modification
+1 new weapon
+1 new map with their boss and enemies
+ 8 death scene per girl for the new map
new hide dialogue button for the scene gallery
fix bug in gallery
fix invicible bug
HUGE modification to the enemiees path
9 chunks possible that can appear in the map 1
v0.16
Jade lvl 3
exit map button
Passive upgrades percentiles rebalance
v0.15
Elyria Joins the party!
Bugfixes:
Auto aim fix
Screen size fix
Elyria dialogue fix
v0.14
-Added New Level 3 "Ember" (8 new scenes and more)
v0.13
-Added New Level 3 ''Aurora'' (8 new scenes and more)
Quality of life adjustements:
-Ennemy Path finding adjustements
-Reduced Exp treshold for companions (We heard y'all!)
v0.12
-Added New level 2 "Ember" (8 Scenes and +)
v0.11
-Added new Level 2 "Jade" (8 new scenes and more)
-controller implementation
v0.10
-Added new level 5 (final level) "Luna" (8 new scenes and more)
-Added auto-aim setting
-Added auto-shoot setting
-Fixed no unlocking scenes bug
v0.9
-Added new level 4 "Luna" (8 new scenes and more)
-Fixed Luna not leveling up bug
v0.8
-Added new character "Ember" (8 new scenes and more)
-Added new abilities
v0.7
-Added Luna level 3 (8 new scenes and more)
-Added a gallery filter
v0.6
-Added Luna Level 2 (8 new scenes and more)
v0.5
-Added Luna Level 1 (8 new scenes and more)
-Many bug fixes
v0.4
N/A
v0.3
-Added Jade Level 1 (9 new scenes and more)
-Many bug fixes and QOL improvements
v0.2
-Added Aurora Level 2 (9 new scenes and more)
-Many old image scenes changed to actual animated scenes
-Many bug fixes and QOL improvements, such as:
-Visual effects toggle now works properly and can be toggled in-game
-Fixed some scene requirements not working
-New 'enemies hit animation' toggle that removes flickering when hitting enemies VFX
v0.1
Initial release
Player reviews
Player rating2.0 / 5 · 16 ratings
Written reviews16 · avg 2.3★
Positive (4–5★)19%
Latest review2026-09-29
What players say
Most players criticize grind, paywalls, and clunky mechanics, though some enjoy survivors-like gameplay and AI scenes.
5★1
4★2
3★3
2★5
1★5
Players like
Survivors-like gameplay is enjoyable for some players.
AI visuals and CG animations are reasonably good.
Animated scenes are decent and often easy to unlock.
Character variety and attractive girls are praised.
Common complaints
Excessive grind makes unlocking content feel tedious.
Many characters, weapons, and scenes are paywalled.
Clunky movement and wall-clipping enemies hurt gameplay.
Best for players who tolerate grind for survivors-like gameplay and AI adult scenes.
Summarised from 16 written player reviews.
TigerSauce2026-09-29★★★★★
Bottom Line Up Front: It's a decent survivors-like, with above-average (for AI) CGs. Pros: Solid amount of content, both core gameplay and sex scenes Shrines in each level offer good opportunities to power up outside the usual leveling structure AI…
IdkHowToSay2026-09-16★★★★★
The game is like Vampire Survivor but with a LOT LESS, but the game is not trying to be a copy so its ok The Main reason i give this 3 stars is cuz i like the grind, is boring…
steelfury6662026-08-18★★★★★
As for the version 0.15 the game is kinda of yet another AI slop, I mean the CGs themselves are quite nice, too bad that the game is not - way too much grind needed to unlock them and even…