Gaming Challenges


 * Steam has discontinued support as of January 2019. There are workarounds to get it to work partially on Windows XP but are unofficial.
 * EA's Origin client only supports XP in legacy versions.
 * Gog Galaxy doesn't support XP
 * Uplay supports XP only in legacy versions
 * Discord chat doesn't support XP.
 * GeForce Now doesn't install at all.
 * Epic Game Store/Launcher doesn't install at all.
 * Stadia supports Chrome 49 and Opera 36 making it supported on XP. Although it may run on Chinese Chromium-based browsers such as MiniChrome and 360 Extreme Explorer (based on recent Chrome versions), it is not tested.
 * Rockstar Games Launcher support XP.


 * Flash player still supports XP but flash was discontinued in December 2020. and newest updates (old versions still work!) no longer works as of 12th January 2021

List of Compatible Games
RTS


 * Age of Empires series (All Games up to AOE 3 + Age of Mythology included, remasters are not supported)
 * Command and Conquer series [Dune included] (All games up to Tiberium Twilight, remasters are not supported)
 * Total War series (All games up to Rome 2)
 * Populous series
 * The Settlers (up to The Settlers 7: Paths to a Kingdom)
 * Starcraft 1 + Expansion
 * World in Conflict
 * Europa Universalis (all games up to EU: Rome)
 * Anno (up to Anno 2070)
 * Sengoku
 * Crusader Kings (up to CK 2)
 * Company of Heroes 1
 * Wargame (all games up to Red Dragon)
 * Hearts of Iron (up to HOI 3)
 * Spellforce (up to SF2)
 * Empire Earth series (the entire series)
 * Imperial Glory
 * Warhammer 40K ( up to Warhammer 40,000: Dawn of War II – Retribution)
 * Stronghold (Up to Stronghold Crusader 2)
 * Star Wars series
 * Star Wars: Empire at War
 * Star Wars: Galactic Battlegrounds
 * Star Wars: Force Commander
 * Lord of the Rings series
 * LOTR War of the ring
 * LOTR The Battle for Middle Earth I / II
 * American Conquest
 * Hegemony (up to The Rise of Caesar)
 * Warcraft (up to The Frozen Throne)
 * Victoria: An Empire Under the Sun

Turn Based Strategies


 * Sid Meier's Civilization (All Games up to Civ 5)
 * Worms series (All Games up to Worms Clan Wars)
 * Master of Orion (up to MOO III)
 * Heroes of Might and Magic (up to Might & Magic Heroes VI)
 * Warhammer Rites of War
 * Romance of the Three Kingdoms Series
 * XCOM (up to XCOM: Enemy Unknown)
 * Galactic Civilizations (up to Galactic Civilizations II)
 * Battle for Wesnoth (up to major version 1.14)
 * Disciples (up to Disciples 2 with expansion packs)

FPS / 3rd Person


 * Wolfenstein (All games up to The 2009 version of Wolfenstein)
 * Doom (up to Doom 3, its possible to run the BFG Edition on the 64 bit)
 * Call of Duty (Possible up to Black Ops 1)
 * Serious Sam (up to SS 3 BFE)
 * Duke Nukem (all games including Forever)
 * Battlefield (up to Bad Company 2)
 * Far Cry (all games to Far Cry 3 + Blood Dragon)
 * Crysis (up to Crysis 2)
 * Counter Strike (up to Source V34)
 * Half Life (up to HL2)
 * Team Fortress Classic
 * Alien vs Predator [2010]
 * Quake (up to Quake 4, remasters are not supported. Quake Live is not playable due to the fact that id Software dropped support)
 * Enemy Territory: Quake Wars
 * Soldier of Fortune (all games)
 * Tom Clancy's
 * Rainbow Six (up to Rainbow Six: Vegas 2)
 * Splinter Cell (all games including Blacklist)
 * Ghost Recon (up to Advanced Warfighter 2)
 * Delta Force (all games)
 * Portal (all games)
 * Garry's Mod (not possible, can be tweaked to work but its not guaranteed that it will be flawless)
 * Brothers in Arms (all games)
 * The Punisher (will run)
 * Dead Space (all games)
 * Medal of Honor (all games)
 * S.W.A.T (all Games)
 * Deus Ex (up to Human Revolution)
 * Red Faction (up to Armageddon)
 * Hitman (up to Blood Money)
 * Arma (up to Arma 2)
 * Operation Flashpoint (all games)
 * Unreal Tournament (Will run up til UT 3)
 * Star Wars
 * Battlefront / Battlefront II (will run)
 * Star Wars: Republic Commando (will run)
 * Jedi Knight series (up to Jedi Academy)
 * BioShock (up to Bio2)
 * S.T.A.L.K.E.R (all games)
 * Metro Last light (will run)
 * Singularity (will run)
 * Fallout (up to New Vegas)
 * FEAR (up to Fear 3)
 * Call of Juarez (all games)
 * Borderlands (1 and 2 will work)
 * Left 4 Dead (all games)
 * Payday (only Payday the Heist)
 * Sniper Elite 1 (With some tweaks, its possible to run V2)
 * Sniper Ghost Warrior (up to SGW 2)
 * Resident Evil (all games up to RE 6)
 * Commandos Strike Force (will run)
 * Grand Theft Auto (up to GTA 4)
 * Descent (up to FreeSpace 2)

RPG


 * Dragon Age (up to DA2)
 * The Elder Scrolls (all main titles including Skyrim, Skyrim Special Edition is not supported)
 * Mount and Blade (Will work up to "With fire and Sword")
 * EYE Divine Cybermancy (will work)
 * System Shock (all games will run, remasters are not supported)
 * The Witcher (up to the Witcher 2)
 * Diablo (up to D2, D3 is not playable due to the fact that Blizzard dropped support)
 * Gothic (up to Gothic 3)
 * Might and Magic (up to M&M 9)
 * Infinity engine games (BG, BG2, Icewind Dale, Planescape: Torment etc.)
 * Nox
 * Star Wars series
 * Knights of the Old Republic (up to KOTOR 2)
 * Vampire the Masquerade: Redemption
 * Vampire the Masquerade: Bloodlines

Simulation


 * Simcity (Up to the Simcity game of 2013)
 * Democracy (Can be played to the 3rd installment)
 * Tropico (up to Tropico 3)
 * F1 (up to F1 2011)
 * Microsoft Flight Simulator (up to Flight simulator X)
 * Defcon (Can be played)
 * Plague inc (Can be played, with some difficulties)
 * The Sims (to the 4th one)

MMORPG's

This MMO list will be subject to change, since MMO's will only last if their dev continues support on the XP. In a Nutshell these games are active MMOs that can be played on XP as of 18th of September 2021.
 * Old School Runescape (Playable on the standard client)
 * Ultima Online (Playable)

Playing Multiplayer

Given the fact that about 99% of all of these games above have no online support or active servers,there are certain tweaks,patches and mods that allow custom servers to be unlocked. Specifically an easy way to play multiplayer is by using either Game Ranger or another app called Voobly which also have support for XP.