| Name |
Developer |
Release[b] |
Type |
Game flow |
Setting |
| 8Realms |
Jagex |
2011 (now closed) |
Strategy |
Real-time |
Empire building |
| Adventure Quest Worlds |
Artix Entertainment |
2008 |
MMORPG |
Real-time |
RPG |
| Agar.io |
Matheus Valadares |
2015 |
Action |
Real-time |
Minimalist color circles |
| Blaseball |
The Game Band |
2020 (now closed) |
Sports game |
Real-time |
Absurdist baseball |
| Blood Wars |
BW Team |
2006 |
MMORPG |
Real-time |
Post-apocalyptic world |
| Bundesfighter II Turbo |
Colour Colliders |
2017 |
Fighting |
Real-time |
Germany during the
2017 federal election |
| Castle of Heroes |
SNAIL Game |
2009 |
Strategy |
Real-time |
Fantasy/empire building |
| Club Penguin |
New Horizon Entertainment/Disney |
2005 (now closed) |
Social networking |
Real-time |
Antarctica |
| Command & Conquer: Tiberium Alliances |
EA Phenomic |
2012 |
Strategy |
Real-time |
Military science fiction |
| Crypto: The Game |
Uniswap |
2024 |
Reality competition, Social networking |
Real-time |
Crypto-native survival game |
| Dead Frontier |
Neil Yates |
2008 |
MMORPG, Third-person shooter |
Real-time |
Post-apocalyptic world |
| Diep.io |
Matheus Valadares |
2016 |
Action, Shoot 'em up |
Real-time |
Minimalist 2D arena |
| Disney's Virtual Magical Kingdom |
Disney |
2005 (now closed) |
Virtual park |
Real-time |
Real world |
| Domain of Heroes |
Tandem Games |
2008 (now closed) |
MMORPG |
Turn-based |
Fantasy |
| Doomlord |
Beholder Kft |
2008 |
RPG |
Real-time |
Fantasy |
| Dragon City |
Social Point |
2013 |
Social networking |
Real-time |
Fantasy |
| Drakensang Online |
Bigpoint |
2011 |
MMORPG |
Real-time |
Fantasy |
| Earth Eternal |
Sparkplay Media |
2009 (now closed) |
MMORPG |
Real-time |
Fantasy |
| Ember Sword |
Bright Star Studios |
2024 (now closed) |
MMORPG |
Real-time |
Science Fiction |
| Empire & State |
Novel, Inc. |
2011 |
MMORPG |
Real-time |
Science Fiction |
| eRepublik |
eRepublik Labs |
2008 |
Strategy |
Real-time |
Contemporary/country building |
| Evony |
Evony |
2009 |
Strategy |
Real-time |
Fantasy/empire building |
| Fairy Tail: Hero's Journey |
GameSamba |
2018 |
role-playing |
Turn-based |
Anime/Fantasy |
| Fallen London (formerly Echo Bazaar) |
Failbetter Games |
2009 |
RPG |
Turn-based |
Gothic Fantasy/Steampunk |
| Flirtboat |
Sysis |
2000 (now closed) |
Social networking |
Real-time |
Real world |
| Forge of Empires |
InnoGames |
2012 |
Strategy |
Real-time |
Historical empire building |
| Forumwarz |
Crotch Zombie Productions |
2008 |
Strategy |
Turn-based |
Contemporary/Internet forum |
| Freeciv.net |
The Freeciv Project |
2010 |
Strategy |
Turn-based |
Empire building game |
| FusionFall |
Cartoon Network/Grigon Entertainment |
2009 (now closed) |
MMORPG |
Real-time |
Science fiction |
| Granblue Fantasy |
Cygames |
2014 (Android, iOS), 2016 (PC) |
MMORPG |
Turn-based |
Anime/Fantasy |
| Grendel's Cave |
Grendel Enterprises, L.L.C. |
1998 |
Adventure |
Real-time |
Literary (Beowulf) |
| Habbo Hotel |
Sulake Inc. |
2000 |
Social networking |
Real-time |
Contemporary/teenagers |
| Hattrick |
ExtraLives |
1997 |
Strategy |
Real-time |
Contemporary/soccer team |
| Ikariam |
Gameforge |
2007 |
Strategy |
Real-time |
Ancient Greece/empire building |
| Illyriad |
Illyriad Games Ltd |
2011 |
Strategy |
Real-time |
Fantasy/empire building |
| Kantai Collection |
Kadokawa Games |
2013 |
card battle game |
Real-time |
World War II |
| Kingdom of Loathing |
Asymmetric Publications |
2003 |
role-playing |
Turn-based |
Fantasy/humorous |
| Kung Fu Panda World |
DreamWorks Animation |
2010 (now closed) |
MMORPG |
Real-time |
Fantasy |
| Legends of Zork |
Jolt Online Gaming |
2009-2011 (now closed) |
role-playing |
Turn-based |
Fantasy/humorous |
| Little Space Heroes |
Bubble Gum Interactive |
2011 (now closed) |
MMORPG |
Real-time |
Kids |
| Lord of Ultima |
Electronic Arts |
2010 (now closed) |
Strategy |
Real-time |
Fantasy |
| Mad TV Online |
Sven Burkert |
2006 |
Strategy |
Turn-based |
Television business simulation/humorous |
| Man vs. Machine |
MuchDifferent |
2012 (now closed) |
First-person shooter |
Real-time |
Unity |
| Might and Magic: Heroes Kingdoms |
Ubisoft |
2010 (now closed) |
Strategy |
Real-time |
Fantasy/empire building |
| Might and Magic: Heroes Online |
Ubisoft |
2014 (now closed) |
Strategy |
Turn-based |
Fantasy |
| Miniconomy |
Trade Games International BV |
2002 |
Strategy |
Real-time |
Contemporary/country building |
| Moshi Monsters |
Mind Candy |
2008 (now closed) |
MMORPG |
Real-time |
Kids |
| MouseHunt |
HitGrab, Inc |
2008 |
Strategy, Social Networking |
Real-time |
Fantasy |
| NationStates |
Max Barry |
2002 |
Strategy |
Real-time |
Contemporary/country building |
| Neopets |
World of Neopia, Inc. |
1999 |
Strategy, Simulation |
Real-time |
Virtual Pet Site |
| Nile Online |
Tilted Mill Entertainment |
2008 |
Strategy |
Real-time |
Ancient Egypt/empire building |
| OGame |
Gameforge AG |
2002 |
Strategy |
Real-time |
Science fiction |
| Omerta |
Omerta Game Limited |
2003 |
MMORPG |
Real-time |
Mafia |
| Panfu |
Goodbeans GmbH |
2007 (now closed) |
Virtual World |
Real-time |
Fantasy/teenagers |
| Pardus |
Bayer&Szell OEG |
2004 |
Strategy |
Turn-based |
Science fiction |
| Pirate Galaxy |
Splitscreen Studios |
2000 |
role-playing |
Real-time |
Science fiction |
| Planetarion |
FUBRA |
2000 |
Strategy |
Turn-based |
Science fiction |
| Quick Hit Football |
Play Hard Sports |
2009 |
Sports game |
Real-time |
Sports/American football |
| Realm of the Mad God |
Wildshadow |
2010 |
MMORPG |
Real-time |
Fantasy |
| Samurai Taisen |
PST Team |
2013 |
MMORTS, Visual Novel |
Real-time |
Sengoku period |
| Sentou Gakuen |
PST Team |
2012 |
MMORPG, Visual Novel |
Real-time |
School Life |
| Shakes & Fidget |
Playa Games GmbH |
2009 |
MMORPG |
Real-time |
Fantasy |
| Slither.io |
Steve Howse |
2016 |
Action |
Real-time |
Snakes on Black |
| SmallWorlds |
Outsmart Games |
2008 (now closed) |
Virtual World, Social Networking |
Real-time |
Contemporary/teenagers |
| Squabble |
Ottomated |
2022 |
Battle royale, word game |
Real-time |
N/A |
| Star Wars Combine |
SWC Team |
1998 |
MMORPG |
Real-time |
Science fiction |
| Star Trek: Alien Domain |
GameSamba |
2015 |
Strategy |
Real-time |
Science fiction |
| Surviv.io |
Kongregate |
2017 |
Battle Royale |
Real-time |
Minimalist circles |
| TagPro |
Nick Riggs (LuckySpammer) |
2013 |
Multiplayer online battle arena |
Real-time |
Arena |
| Tanki Online |
AlternativaPlatform |
2009 |
3D MMO-Shooter |
Real-time |
Post-apocalyptic world |
| Terra Est Quaestuosa |
Schoot Digital Productions |
1998 |
Strategy |
Turn-based |
Contemporary/country building |
| Terra Militaris |
SNAIL Game |
2010 |
Strategy |
Real-time |
Historical/empire building |
| Torn |
Torn LTD |
2003 |
MMORPG |
Real-time |
Text based MMORPG |
| Trade Wars |
Sylien Games |
2007 |
Space trade and combat |
Real-time |
Fantasy |
| Transformice |
Atelier 801 |
2010 |
Platform game |
Real-time |
MMOG |
| Travian |
Travian Games |
2004 |
MMORTS, Strategy |
Real-time |
Antiquity/empire building |
| Tribal Wars |
InnoGames |
2003 |
Strategy |
Real-time |
Empire building |
| Twilight Heroes |
Quirkz Media |
2007 |
role-playing |
Turn-based |
Contemporary/superheroes |
| Unforgiven War |
Nvinium Games |
2008 |
role-playing |
Real-time |
Modern Warfare |
| Urban Dead |
Kevan Davis |
2005 (now closed) |
MMORPG |
Turn-based |
Contemporary/zombies |
| Urban Rivals |
Boostr |
2006 |
Collectible card game |
Turn-based |
Board game |
| Utopia |
Omac Industries |
1998 |
Strategy |
Real-time |
Fantasy |
| Virtonomics |
Marilana UAB |
2006 |
Business simulation |
Turn-based |
Real world |
| War of Legends |
Ultizen |
2010 |
Strategy |
Real-time |
Chinese fantasy |
| World of the Living Dead: Resurrection |
Ballardia |
2013 (now closed) |
MMORPG |
Real-Time |
Zombie Survival Strategy |
| World War Online |
Chilltime |
2010 |
MMORTS |
Real-time |
Modern Warfare |
| X-Wars |
Sebastian Lagemann, Nils Mitoussis, Mediatainment GmbH |
2002 (now closed) |
Strategy |
Real-time |
Science fiction |