Chex Quest Vita

Chex Quest Vita
Chex Quest Vita
General
Author	DraxTube
Type	Shooter
Version	1.0
License	N/A
Last Updated	2026/02/24
Links
	Download
	Website
	Source

Chex Quest Vita is a native port of Chex Quest (1996) to the PlayStation Vita, built on top of the doomgeneric source port of Doom.

It does not use SDL. All video, audio, and input are implemented directly against the Vita system libraries. Music is handled via OPL3 FM synthesis using Nuked-OPL3. The result is a standalone VPK that runs Chex Quest (or any compatible Doom IWAD) natively on the Vita.

A PSP version is also available: Chex Quest PSP.

Features

Native Vita backend (no SDL), with video, audio, and input implemented directly against Vita system libraries.
OPL3 FM music synthesis via Nuked-OPL3.
Supports chex.wad, doom1.wad, and doom.wad as fallback IWADs.
Quick save/load functionality.
Dual analog stick controls.

Installation

Download the VPK from the Releases page.
Transfer it to the Vita and install it using VitaShell.
Place your WAD file at:
ux0:/data/chexquest/chex.wad
Launch the game from the LiveArea.

Save files and debug logs are written to the same directory.

Requirements

PS Vita or PSTV running HENkaku/Enso (firmware 3.60-3.74).
VitaShell.
chex.wad (the original Chex Quest WAD file).
doom1.wad and doom.wad are also supported as fallbacks.

Controls

Action	Input
Move	Left Stick
Turn	Right Stick
Fire	Square or R Trigger
Use / Open	Cross (X)
Run	L Trigger
Automap	Triangle
Strafe Modifier	Circle
Menu	Start
Confirm	Select
Weapon Cycle	D-Pad Left / Right
Quick Save	D-Pad Up (slot 0)
Quick Load	D-Pad Down (slot 0)

Quick Save and Quick Load have a 1-second cooldown. The in-game save/load menu does not work; use these button combos instead.

Media

Chex Quest (PC) - Angry Video Game Nerd (AVGN) ([https://www.youtube.com/watch?v=Vg0y9i5E7nY Cinemassacre])

Screenshots

Known issues

Music is simplified: only 9 OPL voices, single-voice instruments only. Two-voice GENMIDI patches are not rendered correctly. Music sounds noticeably different from the original PC version.
Pitch bend is parsed but ignored. Notes play at fixed pitch regardless of MUS pitch bend events.
No gamma control (usegamma is hardcoded to 0).
Nearest-neighbor scaling only. The 320x200 framebuffer is scaled to 960x544 without filtering.
No external controller or mouse support.
If no WAD file is found, the game logs an error and exits after 5 seconds with no on-screen message.

Changelog

v1.0

First Release.

Credits

id Software - Doom
Digital Café - Chex Quest
ozkl - doomgeneric
LatinWizard99 - Completing the assets and testing
DraxTube - Porting work

External links

Github - https://github.com/DraxTube/chexquest-vita
VitaDB - https://www.rinnegatamante.eu/vitadb/#/info/1370