Zone Zero Project is a Ren'Py adult game by Hzonezero Project that mixes sci-fi, humor, and parody. You play Wise, a lonely virgin and normie who feels ignored and overshadowed by his stepsister, who saves lives and has many friends. After reaching his limit, he becomes a Hollow Investigative. The game uses 2D and AI CG art, and gameplay includes location travel, quests, and card-based combat.
Development is ongoing. The current build is v0.0.11, with a release date of July 19, 2026 and a changelog update on August 21, 2026. It runs on Windows, Linux, and Android, offers English AI translation and Russian, and is uncensored. The latest changelog adds a combat card system, cave expeditions, quests, and the SCOTT Outpost, plus reworked intro dialogues, location transitions, and a visual transition UI. It also adds two adult events, two adult CGs, and two other events, a Thank You menu, and fixes for dialogue, gacha, and other issues.
Developer's description
You're Wise, an ordinary virgin, a loser, and a normie. You don't have many friends, and you're overshadowed by your stepsister, who saves lives and has a lot of friends. No one takes you seriously. One day, you get tired of it and become a Hollow Investigative .
v0.0.11 (August 21, 2026)
Story & Gameplay
Developed and added a combat card system and cave expeditions.
Developed and added
“QUESTS”
.
Added the
“SCOTT Outpost”
location and transitions between locations.
Reworked the
INTRO
dialogues.
Reworked the location transition system.
Added a
Thank You
menu to the main menu.
Visuals & Content (18+)
Added 2 new hentai events.
Added 2 new hentai CGs.
Added 2 new events.
Added a visual UI for the transition system.
Bug Fixes & Tech
Fixed a bug involving Fairy and Jay in the dialogue window.
Fixed the gacha machine.
Minor technical improvements.
v0.0.0.4
Story & Gameplay
The "Intro" chapter is now fully complete!
Work has officially begun on "Chapter 1"
Added new locations and transitions between them
Added the ability to work at Random Play
Added the ability to deposit money into the gacha machine
Visuals & Content
Redesigned Nicole’s sprites
Added brand new sprites for Nekomata and Anby
Added 1 new hentai event
Added 2 new hentai CGs
Bug Fixes & Tech
Fixed a bug with Russian names appearing in the English version
Fixed a bug where some English words weren’t displaying properly
Minor technical tweaks
v0.0.0.3
Initial Release
Player reviews
Player rating2.0 / 5 · 1 ratings
Written reviews1 · avg 2.0★
Positive (4–5★)0%
Latest review2026-08-26
Tricell2026-08-26★★★★★
In the current state it is just emasculating Wise and has nothing of substance, the artwork is pretty good though. I supposed there is a scene involving feet, if you're into that. It should be labeled as a demo or…
★★★★★(1)
