idTech4A++

idTech4A++ is idTech game runtime environment for Android. Support DOOM III/Quake 4/Prey(2006)/DOOM3 BFG/Quake 1/Quake 2/Quake 3/Return to Castle Wolfenstein/The Dark Mod/GZDOOM/Wolfenstein: Enemy Territory

1. Putting your PC game data(external folder) to launcher setting `Game working directory`(default `/sdcard/diii4a`). 2. Click left icon or right game name text of launcher status bar for choosing game, and select game mod in tab `GENERAL`'s `Game`. 3. Finally `START GAME`.

idTech4's feature

Linux/Windows(MinGW/MSVC(without editor)) build

multi-threading renderer

pure soft shadow with shadow-mapping

soft shadow with stencil-shadow and translucent stencil shadow

global illumination rendering

lighting model: Phong/Blinn-phong/PBR/Ambient/No-lighting

Wide-character language translation and BFG new fonts support

debug render tools support with programming render pipeline

OpenGLES2.0/OpenGLES3.0

png/dds/bimage texture image, jpeg/png/bmp/dds format of screenshot

obj/dae/md5mesh format static model

psk&psa/iqm/gltf&glb/fbx format animation/static model

OpenAL(soft) and EFX Reverb

Float console

DOOM3(with full body awareness mod, view body mod, bot mod, view flashlight mod)

Quake4(with bot mod, full body awareness mod, view body mod) and Raven's idTech4 engine

Prey(2006)(with full body awareness mod) and HumanHead's idTech4 engine

Support games/mods

Game Engine Version OpenGL ES version Vulkan version Standalone folder (* means always enabled) Mods/Plugins DOOM III n0n3m4's dante - 2.0/3.0 doom3 Resurrection of Evil The Lost Mission Classic DOOM3 Rivensin HardCorps Overthinked Doom^3 Sabot(a7x) HeXen:Edge of Chaos Fragging Free LibreCoop LibreCoop D3XP Perfected Doom 3 Perfected Doom 3:RoE Doom 3: Phobos(Dhewm3 compatibility patch) Quake IV n0n3m4's dante - 2.0/3.0 quake4 Hardqore Prey(2006) n0n3m4's dante - 2.0/3.0 prey DOOM 3 BFG(Classic DOOM 1&2) RBDOOM-3-BFG 1.4.0 (The last OpenGL renderer version) 3.0 1.1 doom3bfg The Dark Mod Dark Mod 2.13 3.2 (require geometry shader support) darkmod * Return to Castle Wolfenstein iortcw 1.51d 1.1 rtcw Quake III Arena ioquake3 1.36 1.1 quake3 Quake III Team Arena Quake II Yamagi Quake II 8.60 1.1/3.2 1.0 quake2 Capture The Flag Ground Zero The Reckoning Team Evolves Zaero 3rd Zigock Bot II Quake I Darkplaces - 2.0 quake1 UZDOOM(64bits) UZDOOM 4.14.2 2.0/3.2 1.0 uzdoom * Wolfenstein: Enemy Territory ET: Legacy 2.83.2 1.1 etw Omni-Bot support RealRTCW RealRTCW 5.3 1.1 realrtcw STAR WARS™ Jedi Knight - Jedi Academy™ OpenJK 1.0.1.1 1.1 openja STAR WARS™ Jedi Knight II - Jedi Outcast™ OpenJK 1.0.1.1 1.1 openjo FTEQW FTEQW 1.05 3.2 1.1 fteqw * Serious Sam Classic : The First Encounter SamTFE 1.10.7 1.1 serioussamtfe * Serious Sam Classic : The Second Encounter SamTSE 1.10.7 1.1 serioussamtse * Urban Terror Q3-UT4 4.3.4 1.1 urt Medal of Honor: Allied Assault OpenMOHAA 0.82.1 1.1 openmohaa Skin Deep SkinDeep 1.0.4 3.2 skindeep Quadrilateral Cowboy SkinDeep 1.0.2602252 2.0/3.0 qc Icarus Starship Command Simulator SkinDeep 1.0.9 2.0/3.0 icarus Update 1.1.0harmattan72 (2026-03-08)

Folder name of games/mods: DOOM3: base (with full body awareness mod) DOOM3 - Resurrection of Evil: d3xp DOOM3 - The lost mission: d3le Classic DOOM3: cdoom Rivensin: rivensin Hardcorps: hardcorps Stupid Angry Bot(a7x): sabot Overthinked DooM^3: overthinked Fragging Free: fraggingfree HeXen - Edge of Chaos: hexeneoc LibreCoop: librecoop LibreCoop - D3XP: librecoopxp Perfected Doom 3: perfected Perfected Doom 3 - RoE: perfected_roe

Quake4: q4base (with bot mod, full body awareness mod) Hardqore: hardqore

Prey(2006): preybase (with full body awareness mod)

Quake I: darkplaces/id1

Quake2: baseq2

Quake III Arena: baseq3

Quake III Team Arena: missionpack

Return to Castle Wolfenstein: main

The Dark Mod: darkmod

DOOM 3 BFG: doom3bfg/base

GZDOOM: gzdoom

Wolfenstein - Enemy Territory: etmain