Trace the source
Keep the original reply label and destination. If we normalize a URL or cannot confirm the project name, we say so.
THE VIRAL LIST, WITH THE FINE PRINT
Radiant Optimizer games in browser list: the 25 original browser links, with the setup details the headline leaves out. Some projects need your own game files. Four have a dated launch check; the rest are not play-tested.
Documentation reviewed Oct 10 · 7 destinations rechecked Oct 11 · 4 launch checks Oct 12, 2026 · Removal notice on X ↗
00 / LAUNCH CHECKS
We opened four entries on October 12, 2026 in an automated browser session and wrote down how far each one got. A launch check is one dated attempt, not a guarantee.
playgta5.com returned 401 and the archived copy stalled at 6%.
Started a 44 MB game-data download, then stopped on an error screen.
Ten maps listed. Kino der Toten reached “Click to start” after a 330.5 MB download.
Engine loaded in under a minute, then asked for your own XISO disc image.
01 / THE CHECKLIST
Original source order. October 11 check: 4 unrelated destinations and 1 certificate failure have no visit button. October 23: the BO1 map selector returned HTTP 451, so its visit button is also off. Moon and Kino have separately labeled alternatives. Four entries link to an October 12 launch check; the rest are not play-tested.
Search game names only. Do not enter personal information. With analytics consent, search terms may be sent to Google.
Try another name or clear your filters. Unknown requirements are not treated as confirmed support.
In the original reply: BO1 Zombies
Unavailable (HTTP 451) · Destination checked
On October 23, 2026 this exact map-selector URL returned HTTP 451 (Unavailable For Legal Reasons), confirmed in a browser. Its visit link is disabled. The October 12 destination showed a Zombies map selector with ten maps. On October 12 Kino der Toten downloaded 330.5 MB and reached “Click to start” without asking for game files; we did not play a round. File requirements beyond that point and device support remain unconfirmed.
Read the launch check: Black Ops Zombies →Page read, details limited · Evidence reviewed
Original address (reference only): https://vel.gg/bo1z
Original reply dated October 8, 2026; read through a public text mirror on October 10. X withheld the post and reply on October 12 after a DMCA notice; this link is the account’s removal notice. Inclusion is not proof of playability.
In the original reply: Moon
Unrelated destination · Destination checked
On October 11, opening the original Moon URL redirected through other domains to a page titled Online Casino & Sports Betting | 1win. We disabled the visit link. The original address is preserved for provenance, not recommended as a game entrance. No registration or gameplay attempted.
Separate same-name project · Destination checked
Not the original reply URL. This reference does not restore or replace the disabled source link.
The named Moon launcher advertised a 404.4 MB download. After starting it in desktop Chrome on macOS, our check ended at loading 88% after about 144 seconds. No game session was tested. File ownership requirements, mobile/controller support, licensing and equivalence to the original project are not verified.
Inspect alternative: Moon on vel.ggRequirements unverified · Evidence reviewed
Original address (reference only): https://moon-zombies.pages.dev
Original reply dated October 8, 2026; read through a public text mirror on October 10. X withheld the post and reply on October 12 after a DMCA notice; this link is the account’s removal notice. Inclusion is not proof of playability.
In the original reply: Kino der Toten
Unrelated destination · Destination checked
On October 11, the original Kino der Toten URL redirected to a 1win casino page with login and registration controls. We disabled the visit link. This check concerns this exact source URL, not every project with the same map name. No registration or gameplay attempted.
Separate same-name project · Destination checked
Not the original reply URL. This reference does not restore or replace the disabled source link.
The named Kino launcher advertised a 330.5 MB download. After starting it in desktop Chrome on macOS, we reached a separate Click to start screen after about 129 seconds and stopped there. No game session was tested. File ownership requirements, mobile/controller support, licensing and equivalence to the original project are not verified.
Inspect alternative: Kino der Toten on vel.ggRequirements unverified · Evidence reviewed
Original address (reference only): https://kino-der-toten.pages.dev
Original reply dated October 8, 2026; read through a public text mirror on October 10. X withheld the post and reply on October 12 after a DMCA notice; this link is the account’s removal notice. Inclusion is not proof of playability.
In the original reply: BO3 Cheese Cube
Unrelated destination · Destination checked
On October 11, the original Cheese Cube URL redirected through other domains to a page titled Online Casino & Sports Betting | 1win. We disabled the visit link and preserved the source address as text. No registration or gameplay attempted.
Requirements unverified · Evidence reviewed
Original address (reference only): https://cheese-cube.pages.dev
Original reply dated October 8, 2026; read through a public text mirror on October 10. X withheld the post and reply on October 12 after a DMCA notice; this link is the account’s removal notice. Inclusion is not proof of playability.
In the original reply: Black Ops 2
Our text reader could not resolve this destination. This is a retrieval failure, not proof of worldwide downtime. The actual project name remains unverified.
Reader retrieval failed · Evidence reviewed
Original reply dated October 8, 2026; read through a public text mirror on October 10. X withheld the post and reply on October 12 after a DMCA notice; this link is the account’s removal notice. Inclusion is not proof of playability.
In the original reply: Modern Warfare 2
Original reply destination only. We have not verified that this is a full port, a recreation or an available game.
Requirements unverified · Evidence reviewed
Original reply dated October 8, 2026; read through a public text mirror on October 10. X withheld the post and reply on October 12 after a DMCA notice; this link is the account’s removal notice. Inclusion is not proof of playability.
In the original reply: Skate 3
The project says it hosts the engine, not game content: bring a legally owned Skate 3 copy converted on your own machine. Unofficial and not endorsed by EA. On October 12 it started a 44 MB game-data download, then stopped on a “Something went wrong” screen before any skating.
Read the launch check: Skate 3 →Project documentation read · Evidence reviewed
Project notice read via a cached text snapshot. File requirement is documented; gameplay is not tested.
Original reply dated October 8, 2026; read through a public text mirror on October 10. X withheld the post and reply on October 12 after a DMCA notice; this link is the account’s removal notice. Inclusion is not proof of playability.
In the original reply: Skate Rust
Unrelated destination · Destination checked
On October 11, the original address opened TERRORDOTNET, a content and merchandise storefront with product prices, not a Skate Rust game entrance. We disabled the visit link while preserving the source label and address. No purchase or gameplay attempted.
Requirements unverified · Evidence reviewed
Original address (reference only): https://global-terror.net
Original reply dated October 8, 2026; read through a public text mirror on October 10. X withheld the post and reply on October 12 after a DMCA notice; this link is the account’s removal notice. Inclusion is not proof of playability.
In the original reply: CS Surf
The project describes free, no-download surf with desktop keyboard and mouse controls. This is a surf project, not a promise of the full Counter-Strike game.
Project documentation read · Evidence reviewed
Project page says: Free to play. No download. Desktop · Keyboard & mouse. Documentation, not a successful play test.
Original reply dated October 8, 2026; read through a public text mirror on October 10. X withheld the post and reply on October 12 after a DMCA notice; this link is the account’s removal notice. Inclusion is not proof of playability.
In the original reply: Halo CE
A different destination from Halo CE Mobile. On October 12 the engine downloaded, then the page asked for an XISO disc image made from your own Xbox copy of Halo: Combat Evolved. The site says it does not provide Halo game data. We supplied no disc image and did not reach gameplay.
Read the launch check: Halo CE →Project documentation read · Evidence reviewed
File requirement read from the project's own “Choose your Halo XISO” dialog on October 12, 2026. No disc image supplied; no play test.
Original reply dated October 8, 2026; read through a public text mirror on October 10. X withheld the post and reply on October 12 after a DMCA notice; this link is the account’s removal notice. Inclusion is not proof of playability.
In the original reply: Halo CE mobile
Requires your own Xbox .iso or .xiso. The project documents touch and controller input, WebGL 2, iOS 17 or later and up to 1.8 GB of game-data storage. Online play needs an account on its site.
Project documentation read · Evidence reviewed
Game data, controls and platform requirements read from the project page. No disc imported; no play test.
Original reply dated October 8, 2026; read through a public text mirror on October 10. X withheld the post and reply on October 12 after a DMCA notice; this link is the account’s removal notice. Inclusion is not proof of playability.
In the original reply: PES 6
The Spanish project FAQ describes a PSP browser version with WebGL 2, keyboard, gamepad and phone touch input. It claims no registration or downloads are needed; performance and asset licensing have not been independently verified.
Project documentation read · Evidence reviewed
Spanish FAQ read: modern WebGL2 browser; keyboard, USB/Bluetooth controller or mobile touch. Claims are attributed to the project.
Original reply dated October 8, 2026; read through a public text mirror on October 10. X withheld the post and reply on October 12 after a DMCA notice; this link is the account’s removal notice. Inclusion is not proof of playability.
In the original reply: GTA 5
Archive, not a live game · Destination checked
The source link is an Internet Archive capture of playgta5.com, not a live game. On October 12 the capture showed Sandbox Mode and Story Mode, then stopped loading at 6% after we pressed Space; playgta5.com itself returned 401 Unauthorized. We did not reach a playable game.
Read the launch check: GTA 5 →Requirements unverified · Evidence reviewed
Original address (reference only): https://web.archive.org/web/20261006055917/https://playgta5.com/
Original reply dated October 8, 2026; read through a public text mirror on October 10. X withheld the post and reply on October 12 after a DMCA notice; this link is the account’s removal notice. Inclusion is not proof of playability.
In the original reply: GTA Vice City
The project disclaimer requires your own legitimate game copy, imported as game.tar.gz. Its page also mentions a download archive; we have not verified that archive or its rights. Use only files you are entitled to use.
Project documentation read · Evidence reviewed
Import instructions and disclaimer read. Conflicting download wording noted; no archive downloaded.
Original reply dated October 8, 2026; read through a public text mirror on October 10. X withheld the post and reply on October 12 after a DMCA notice; this link is the account’s removal notice. Inclusion is not proof of playability.
In the original reply: The Simpsons: Hit & Run
Original destination and its skipmovie query are preserved. Setup, completeness and device compatibility have not been checked.
Requirements unverified · Evidence reviewed
Original reply dated October 8, 2026; read through a public text mirror on October 10. X withheld the post and reply on October 12 after a DMCA notice; this link is the account’s removal notice. Inclusion is not proof of playability.
In the original reply: Quake 1
The project describes QuakeWorld multiplayer for up to eight players with no installation. That wording alone does not establish whether every mode needs no game files; we leave the file requirement unknown.
Project documentation read · Evidence reviewed
Project title, eight-player claim and no-install wording read. No multiplayer session joined.
Original reply dated October 8, 2026; read through a public text mirror on October 10. X withheld the post and reply on October 12 after a DMCA notice; this link is the account’s removal notice. Inclusion is not proof of playability.
In the original reply: Quake 2
Source-list entry only. Do not infer its modes or requirements from the QuakeWorld entry.
Requirements unverified · Evidence reviewed
Original reply dated October 8, 2026; read through a public text mirror on October 10. X withheld the post and reply on October 12 after a DMCA notice; this link is the account’s removal notice. Inclusion is not proof of playability.
In the original reply: Quake 3
Source-list entry only. Current operating requirements and playability are unverified.
Requirements unverified · Evidence reviewed
Original reply dated October 8, 2026; read through a public text mirror on October 10. X withheld the post and reply on October 12 after a DMCA notice; this link is the account’s removal notice. Inclusion is not proof of playability.
In the original reply: Return to Castle Wolfenstein
Source-list entry only. Full-game availability and file requirements are not established.
Requirements unverified · Evidence reviewed
Original reply dated October 8, 2026; read through a public text mirror on October 10. X withheld the post and reply on October 12 after a DMCA notice; this link is the account’s removal notice. Inclusion is not proof of playability.
In the original reply: Unreal Tournament
Source label mismatch · Destination checked
On October 11, the page identified itself as Urban Terror multiplayer, not Unreal Tournament. It describes an unofficial WebAssembly project, recommends desktop Chrome and warns of an initial game-data download. Only the landing page was read; no Play action or multiplayer session tested.
Requirements unverified · Evidence reviewed
Original address (reference only): https://ut.pieter.com
Original reply dated October 8, 2026; read through a public text mirror on October 10. X withheld the post and reply on October 12 after a DMCA notice; this link is the account’s removal notice. Inclusion is not proof of playability.
In the original reply: Half Life
Original link only. We have not verified the included content or whether you must supply game files.
Requirements unverified · Evidence reviewed
Original reply dated October 8, 2026; read through a public text mirror on October 10. X withheld the post and reply on October 12 after a DMCA notice; this link is the account’s removal notice. Inclusion is not proof of playability.
In the original reply: Half Life / CS 1.6
Listed separately from the Half-Life destination. Engine availability does not establish rights to, or inclusion of, the commercial game data.
Requirements unverified · Evidence reviewed
Original reply dated October 8, 2026; read through a public text mirror on October 10. X withheld the post and reply on October 12 after a DMCA notice; this link is the account’s removal notice. Inclusion is not proof of playability.
In the original reply: Diablo
The project offers limited shareware without an MPQ (25–50 MB first download). The full game needs your own DIABDAT.MPQ. It documents touch controls, recommends mouse and keyboard, and calls online multiplayer experimental.
Project documentation read · Evidence reviewed
Shareware/full-game distinction and controls read from the project page. No game session tested.
Original reply dated October 8, 2026; read through a public text mirror on October 10. X withheld the post and reply on October 12 after a DMCA notice; this link is the account’s removal notice. Inclusion is not proof of playability.
In the original reply: Hedgewars
Connection check failed · Destination checked
Chrome blocked our October 11 visit with NET::ERR_CERT_COMMON_NAME_INVALID. We did not bypass the certificate warning. The visit link is withheld pending recheck; this observation does not establish worldwide downtime or permanent closure. Game identity and requirements remain unverified.
Requirements unverified · Evidence reviewed
Original address (reference only): https://webwars.link
Original reply dated October 8, 2026; read through a public text mirror on October 10. X withheld the post and reply on October 12 after a DMCA notice; this link is the account’s removal notice. Inclusion is not proof of playability.
In the original reply: More GTA / Minecraft
A collection link, not one verified game. The text mirror joins the next sentence onto the URL as /Fan; this entry uses the visible root address and records that normalization rather than inventing a game endpoint.
Requirements unverified · Evidence reviewed
Original reply dated October 8, 2026; read through a public text mirror on October 10. X withheld the post and reply on October 12 after a DMCA notice; this link is the account’s removal notice. Inclusion is not proof of playability.
External destinations are references, not safety, licensing or availability endorsements. Check the project's terms before using it. We do not host or embed games.
02 / THE METHOD
Every entry separates source inclusion, project documentation, destination checks and gameplay. Documentation dates remain separate from the seven October 11 destination checks. We opened those addresses in desktop Chrome without pressing Play or bypassing certificate warnings. Unrelated destinations and the certificate failure have no visit button; original addresses remain as reference text. Separate Moon and Kino alternatives were also checked in desktop Chrome: we started their advertised downloads and recorded the loading or start screen reached, without testing a game session. Their observations do not change the original entries' file/device labels. On October 12 we added launch checks for four entries: we opened each one, tried to start it and recorded where it stopped. These are dated observations, not continuous monitoring or worldwide availability guarantees.
Keep the original reply label and destination. If we normalize a URL or cannot confirm the project name, we say so.
Attribute file, device and mode claims to the project. A page loading does not establish a playable game, safety or a content license.
Four entries have a dated launch check that says how far we got. The rest stay in the full list as unchecked, with no invented compatibility or uptime badges.
03 / GOOD TO KNOW
The source is @RadiantOpti's October 8, 2026 post on X and its follow-up reply containing 25 links. On October 12 the account said X withheld the post and the links after a DMCA notice, so both addresses now return an error and are shown below as plain text, not as links. Those links led to separate projects, an archive and a collection, not one official game-hosting service. Game in Browser is an independent guide that preserves the reply's order and distinguishes documented requirements from unknowns. Four entries have a dated launch check; the rest are not play-tested.
Original X post: https://x.com/RadiantOpti/status/2108068628793082338
Full 25-link reply: https://x.com/RadiantOpti/status/2108068632991256995
Withheld by X since October 12, 2026 · address kept as plain text
@RadiantOpti removal notice (Oct 12) ↗
No. This is an independent directory about links shared by @RadiantOpti. It is not affiliated with Radiant Optimizer or the game publishers, and it does not sell or distribute the optimizer software.
No. A browser project may be a fan recreation, engine port, limited demo or archive. Skate 3, Halo CE and Halo CE Mobile each say you need your own game data. Diablo Web distinguishes limited shareware from the full game, which needs your DIABDAT.MPQ.
This checklist preserves the 25 destinations in the source reply, including a GTA 5 archive and a wider collection link. It does not describe all 25 as verified games. Other directories may omit or group entries differently.
No game runs on this site. On October 12 the GTA 5 archive link did not load a game and playgta5.com returned 401 Unauthorized. Black Ops 2's destination could not be resolved by our text reader, and the Modern Warfare 2 destination has not been checked. Source labels are not confirmation of a full commercial game.
Those are different descriptions. AI-assisted refers to how software was made; a port describes adaptation to another platform; cloud gaming streams a remotely running game. We do not infer any of these just because a URL opens in a browser.
No. They summarize dated project documentation, not our own successful gameplay tests. The no-files filter excludes demo-only access. Touch support does not guarantee acceptable performance on your phone.
No. Radiant Optimizer is Windows PC tuning software from the team behind the @RadiantOpti account on X. Its official site describes Windows tweaks, game profiles and PC diagnostics, with a free tier and a one-time Premium license. The browser games list was a one-off post from that account, linking to other people's projects. Radiant Optimizer does not host or run any of these games, and installing it is not needed to open a browser game. Our guide to what Radiant Optimizer is explains the app, the post and what we can and cannot verify about it.
Opening a link costs nothing, but free to open does not mean free to play in full. Skate 3, Halo CE, Halo CE Mobile and GTA Vice City ask for files from your own copy of the game, and Diablo Web offers shareware unless you supply your own DIABDAT.MPQ. We cannot certify any destination as safe: three original Zombies links now redirect to betting pages, which is why their buttons are off. A browser game should run in the tab. If a page asks you to download an .exe, an installer or a “launcher”, close it.
The 25 links in this list are only one viral post. Our browser games page collects the entries whose project pages describe a no-download start, sorted by genre and device, and separates them from projects that need your own game files. Each one keeps the same evidence labels as this checklist, so a documented setup is never presented as a play test.