BO1 Zombies
Solo zombie survival, fan rebuild
Radiant Optimizer Games: All 25 Browser Games From the List
The full list of browser games from the viral @RadiantOpti post, BO1 Zombies, Skate 3, Halo CE, Quake and more, with what each link really is, whether it needs your own game files, and whether it is up right now.
Unofficial directory. You do not need the Radiant Optimizer app to play. Links last checked Oct 10, 2026.
Moon
Solo zombie survival, fan rebuild
Kino der Toten
Solo zombie survival, fan rebuild
BO3 Cheese Cube
Solo or co-op with up to three friends
Black Ops 2
Actually: Vibe Slops II
First-person shooter on a Black Ops II map export
Modern Warfare 2
Unknown until the server responds
Skate 3
Single-player skating, unofficial fan game
Skate Rust
Unknown until the server responds
CS Surf
Single-player surf with global leaderboards
Halo CE
Single-player campaign
Halo CE mobile
Installable web app for iPhone, iPad and Android
PES 6
Football, local and online play
GTA 5
Actually: "GTA 5" archived page
Not a playable game
GTA Vice City
Single-player open world, keyboard or touch
The Simpsons: Hit & Run
Single-player driving and missions
Quake 1
Online multiplayer deathmatch
Quake 2
Online multiplayer deathmatch
Quake 3
Online multiplayer arena
Return to Castle Wolfenstein
Online multiplayer on mp_beach
Unreal Tournament
Actually: Urban Terror (ut.pieter.com)
Online multiplayer on ut4_casa
Half Life
Single-player campaign
Half Life / CS 1.6
Xash3D engine in the browser
Diablo
Single-player action RPG
Hedgewars
Turn-based artillery
More GTA / Minecraft
Hub of several fan ports
Radiant Optimizer games at a glance
Radiant Optimizer games are the 25 browser game links posted by @RadiantOpti on 8 October 2026. They range from Call of Duty zombies rebuilds and a Skate 3 fan game to classic ports of Halo, Quake, Half-Life and GTA Vice City. About half play instantly in a tab. The rest are engine ports that need game files from a copy you own, plus a few links that are mislabeled, overloaded or offline.
This page tracks all of them in one place. Every card shows what the link really is, whether it needs your own files, and whether the server answered at our last check. Click a card for the full guide: setup steps, controls, troubleshooting and the history of the original game.
Where to start with the Radiant Optimizer games list
- Want to play right now with no files? Start with COD zombies in browser, Quake in browser or CS surf in browser.
- Own the original games? Halo in browser, GTA Vice City in browser and Half-Life in browser run your files locally.
- Looking for the viral headliners? Skate 3 in browser and GTA 5 in browser explain what those links really are.
How we check each Radiant Optimizer game
Every entry gets two checks. First, we open the project and read what its own page says: whether it is a fan rebuild or an engine port, what files it asks for, and which controls it uses. Second, an automated check runs daily against every link and records whether the server answered, was busy, or did not respond. When a link dies we keep the card and mark it, so you can see what changed instead of wondering where a game went.
How to read this list
- Plays instantly No download and no game files needed, according to the project page.
- Free demo A free demo runs in the browser; the full game needs your own files.
- Own files needed The port runs in the browser, but you must supply game data you own.
- Unverified We could not load the project during our last check.
- Archived link The list points to an archive.org snapshot, not a live game.
- Collection site A third-party hub of several fan ports.
Several entries in the original post are mislabeled. The "Unreal Tournament" link is Urban Terror, "Black Ops 2" is a fan shooter on a BO2 map, and "GTA 5" is an archived web page, not a game. Each game page explains what you will actually get.
Browse by series
Call of Duty Browser GamesSix of the 25 links in the viral list are Call of Duty related, more than any other series.GTA Browser GamesGTA is the most searched series on the list and the most confusing one.Quake Browser GamesFive links on the list come from one non-commercial project and share the Quake engine lineage.Half-Life & Counter-Strike Browser GamesThree links on the list come from the Half-Life and Counter-Strike world.New here? Start with what this list is and where it came from, then read the safety guide.
FAQ
What are Radiant Optimizer games?
"Radiant Optimizer games" is what people call the list of browser game ports shared by the @RadiantOpti account on X on 8 October 2026. The post claimed you could play Black Ops zombies, Skate 3, Halo, MW2 and more in a browser tab.
Do I need to install Radiant Optimizer to play them?
No. Radiant Optimizer is a separate Windows performance app. The games in the list are independent web projects and open in any modern browser.
Are these the full original games?
No. Most are fan rebuilds or engine ports. Fan rebuilds play instantly; engine ports of commercial games ask for game files from a copy you own.
Is it safe?
The web pages themselves run sandboxed in your browser. The risk is in fake mirrors that ask you to download a launcher or extension. Never do that. See our safety guide.
Is this site official?
No. This is an independent directory. It is not affiliated with Radiant Optimizer, the original post, or any game publisher.
Which Radiant Optimizer games work without files?
The Call of Duty zombies maps, Vibe Slops II, the Skate 3 fan game, Surfd, PES 6, the Quake, RTCW and Urban Terror servers, and the Diablo demo.
How often is the list checked?
We check every link daily and show the date of the last check on each page.