Strategy

1. Third World Farmer Turn base sim of being in a 3rd world country.
2. Tactics 100 Live Create an army of 100 points and send that army into battle against other 100 point armies.
3. Fish Tycoon FishOmon/sim based dealio.
4. Dice Wars Take over sections of the map against up to 7 NPCs.
5. Pandemic 1 and Pandemic 2 You get to evolve your own biological virus and wipe out mankind!
6. Fungus Grow as big and many fungi as you can in two minutes.
7. Sea of Fire Build your armies up for a massive attack before the other side blows your country away.
8. Bowmanster Prelude Base defense where your castle shots arrows at the other castle/ armies marching on you.
9. Age of War Dope going through the ages strat game.
10. Feudalism Taking over villages strategey game.
11. ElectroCity ElectroCity is an online computer game that lets players manage their own virtual towns and cities.
12. Caravaneer You have a caravan and need to transport goods between towns.
13. Warlord: Call to Arms Choose your race and command your army through 25 epic battles to conquer the land.
14. Brute Wars Assemble a team of animal warriors to battle to the top of Mt. Asio.
15. Dominate Java, requires account.
16. Short Siege Defend your ship against countless hordes of vile beast and repair the ship to the point where you can escape.
17. Catchment Detox Manage a river catchment and create a sustainable and thriving economy.
18. Star Rebellion RTS/tower defense/protect your base.
19. Mud and Blood 2 MNB2 is all about testing your decision making ability and your faculty to adapt in a scenario where no punches are pulled.
20. Battalion Nemesis You're in command of the Rapid Attack and Response unit, in an epic 10 level campaign.
21. Imperium Resource management/army game with awesome graphics and game play.
22. Mastermind: World Conquerer I hope you brought a condom.
23. Warfare: 1917 Lead the British or German army through the trenches of Europe in this First World War strategy game.
24. World Wars Riskish with up to 7 players.
25. Battle Gear
26. Mastermind WC
27. Breaking the Tower (Java based game)
28. The Space Game
29. KDice (Multiplayer online Dice Wars)
30. Scopa The game of choice for two quarrelsome & gossipy old men with nothing to do of an afternoon except hunch over a table playing cards.
31. Squares and Blades A funky turn based tactics game set on a chessboard-like map.
32. Talesworth Arena: Death Watch Very cool strategic arena game.
33. Super Energy Apocalypse Recycled An unusual mix of RTS base building & tower defense.
34. Mytheria A card game in the style of Magic: The Gathering; quite good but the 'campaign' battles are a bit uninspiring (not enough deck variety).
35. Hex Empire Dice Wars type game with a bit less chance.Ultimate Tactics An isometric turn-based tactics game inspired by the likes of Final Fantasy Tactics.
36. 1066 Channel4 made single/multi tactical war game. It's worth a look for the production values alone.
37. Bot Arena 3 Forums user Mayor McSleaze lives with the dude that made this game and would love suggestions.
38. Black Knight Black Knight is an isometric strategy game, based on a chess game.
39. Phage Wars 2 Your goal is to create the most powerful virus ever by defeating all the other genetically engineered viruses in this fast paced, strategy game.
40. Crunchball 3000 A sort of futuristic gridiron.
41. Jelly Battle Multiplayer strategy/puzzle game where you battle against 3 other players in real time on a live game board.
42. Armor Wars An excellent tactical turn-based card game set in a fantasy universe.
43. Fragger You play as a little grenadier. On the elite level it's pretty maddeningly hard.
44. Nitrome's Parasite It starts off very easy indeed, but the later levels are much more interesting.
45. Pandemic: American Swine. Yes, it's the 'Fuck Madagascar' pandemic, but this time you play to fight the disease. You can even sacrifice your own cities to stop the spread.
46. The ReDistricting Game You redistrict a city to ensure that members of your own party get elected while trying to avoid getting your districts challenged in court.
47. Spcae Game 2: The Missions
48. Battalion: Arena and Battalion: Ghosts Basically Advance-wars online. Averages to about 70 people online usually. It's fun for a little while, but they want a $20 donation to unlock everything, which is pretty damn lame, but you can still have some fun playing without all of the bonuses.
49. Quadradius It's a strategy game: checkers that pick up orbs to get superpowers. Towards the end, your checkers are teaching each other powers and blowing up parts of the board.
50. Clim City A fun little eco-sim game.
51. Clockwords Prelude Type words to kill spiders. Using letters in your boiler gives bonus damage and rarer letters do more damage.
52. McDonald's Run the world through fast food.
53. Colony It's a side-scroller RTS style where you build super groovy sci-fi space units to attack your opponents base.
54. Eridani Kinda like Space Game, but more RTS.
The BBC has put out games that re-enact historic battles. Here is The Battle of Hastings and The Battle of Waterloo
55. Global Forager A kind of cyberpunk Pipe Mania.
56. Squares and Blades 2 Improved sequel to the tactical battles game.
57. Bug War It's kind of like Phage 2, but with bugs.
58. Creeper World Training Sim
59. Civilizations Wars It's pretty much Phage Wars but a lot better.
60. Age of War 2
61. Bongo Boom Battlegrounds It's basically Patapon but in your browser.
62. Battalion: Vengeance Turn based tactical.
63. Captain Forever A tactical ship game.
64. Steam Birds Turned-based strategy game with airplanes.
65. Zombie Dawn Tactical game in which you control zombies and have to turn ordinary people into your minions.
66. Single player version of the Swedish team test
67. Valthirian Arc You're the head of an adventurer school and send students off on quests to level up.
68. Nob War The Elves You control a band of elves that have to move to the right till they reach a castle.
69. Boku (Java) Strategy marble game.
70. Class 3 Outbreak Light zombie sim / RTS built on Google maps satellite imagery .
71. Necronator Summon and control the undead forces, conquer the world by killing any human who stands in the way.
72. Pixel Legions Cool little click and drag pixel war game.
73. Element It's a card game similar to MTG but a bit more streamlined.
74. Robotic Emergence A mildly entertaining game about throwing waves of robot warriors at your enemies.
75. Castle Wars 2 Like the old Castle Wars but with the long-awaited ability to change your deck! Apparently is very hard as well.
76. Brotherhood of Battle Multiplayer turn based strategy game.
CellCraft Make an amoeba!
77. Epic War 4 Lots of people say this is a sort of tedious grindfest, others love its story/gameplay a lot.
78. Power Planets A Discovery Channel game.
79. Shattered Colony Zombie RTS hybrid and resource management game.
80. Bunny Flags An arena shooter with tower defense elements. Levels! Talents! The enemies are thumbs!
81. WarLight Warlight is a free casual turn-based online board game where you compete to rule the world.
82. The Necronomicon 2.0 It's a pretty cool little single player "collectible card" style game with a Lovecraft theme.
83. Warlords 2: Rise of Demons Fantasy strategy battle game.
84. Wasabi Play as a sushi bar owner as you attempt to develop and upgrade your little sushi bar!
85. Madness Retaliation This is a turn-based strategy game that uses AP (Action Point) mechanics. Fans of Fallout 1 and 2 will be familiar with the game-play.
86. Aztec God Game It's Flash Populous.
87. Recordshop Tycoon A sim-style (like the OLD Sim games) game involving buying a property and trying to figure out how to get people to exchange their money for your goods and services.
88. Corporation Inc. Corporation Inc., a really fun business sim.
89. Gravitee Wars Worms Armageddon-esque team shooter, with a really neat aiming mechanic.
90. Papa's Burgeria Fill out orders to keep customers happy.
91. Dungeon Developer Build a dungeon for adventurers to explore. Let them level up and gain loot and exp and don't make it too hard or they will die.
92. Zombie Trailer Park It's like a light version of those medieval/hobbit based ones but with rednecks.
93. Tentacle Wars Attack your enemy with tentacles.
94. Empire Island Fun, but propably not ideal for people who are inclined towards flinging computer equipment across rooms at times of stress.
95. I Am An Insane Rogue AI Take over the world by hacking random facilities.
96. Rebuild Zombie Pretty cool turn based zombie game where you try and find survivors, food, build farms, ect.
97. Radio Zed Shoot ever-growing hordes of zombies, buy better weapons, better stats, better fortifications.
98. ALIENS the Board Game An adaptation of the ALIENS board game made by Leading Edge Games into Flash.
99. Spitfire 1940 Strategy game where you have to manage the Royal Airforce during the Battle of Britain.
100. Trebuchet Defender Requires Unity player. Use your trebuchet to defend the green army from enemy toys!
101. High Tea A game where you trade opium for silver to feed Britain's insatiable Tea habit. It's a trading buy low/sell high game.
102. Spent Startigy game of finding a job and staying alive.
103. Favimon I'd build up some forces first before taking on the SA grenade.
104. Tentacle Wars. The Purple Menace Prevent alien microbes’ invasion.
105. Orbital Onslaught Tactical combat this time with a Space Mercenary theme.
106. Lesbian Spider-Queens of Mars Setting the rather...odd conceit of the game aside, it's a surprisingly well-done game which captures an authentically retro feel while keeping the gameplay fluid and accessible.
107. Steamlands The vehicles are made from blocks, guns, boosters etc that you can drag onto your vehicle to upgrade it in various ways. Upgrade your steam tank as you drive around post-apocalyptic England. It also has some great pixel artwork.
108. City Siege 2 Shoot bad guys, blow up buildings, don't kill the VIP's.
109. Tyrant Very extensive card game with multiplayer elements.
110. Solar Max Take over and colonize enemy planets in your quest to take over the universe.
111. Villainous Rather than building towers and defending against hordes of monsters, you are given the reigns of an evil mage that builds his army from the ground up to dominate the lands.
112. Engage Turn based, grid based space fighting game.
113. Blipzkrieg Pretty simple strategy-game, but it's hard.
114. Oiligarachy Explore and drill around the world, corrupt politicians, stop alternative energies and increase the oil addiction.
115. Little Stars for Little Wars Standard type domination star game.
116. Swords and Potions It's a tycoon-style game where you run a shop. Hire craftsmen and use materials to create items to sell. Customers come in looking to buy items (or sell things), and you can haggle prices or suggest other items if you don't have what they're looking for.
117. The King's League Train little bros and watch them smash together in some semblance of the word fighting.
118. Creeper World: User Space Build energy makers and guns to fight off blue stuff as you try to capture green things.
119. Rebuild 2 Reclaim a city from the zombie hordes while managing supplies, housing and morale.
120. Phage Wars Live Your goal is to create the most powerful virus ever by defeating all the other genetically engineered viruses in this fast paced, multiplayer strategy game.
121. Lab of the Dead You play a scientist with access to an unlimited portal of zombies in a post-apocalyptic world where your goal is to interact with the zombies via various weapons, food items, and miscellaneous items to try to get various responses from the zombies. Your end result is to research them and find a way to cure them via a more psychological approach, rather than the whole miracle cure thing.
122. Necronator 2 Fight on forests, mountains, and wastelands. Upgrade your army, learn new spells, unlock special heroes and much more.
123. Cellcraft You run a cell and have to capture amino acids and glucose and build ribosomes and stuff.
124. Creeper World: Evermore No set levels, rather it generates a new level every day to play. Also, each level now has a survival mode, that kicks the Spore Attacks and Creeper Spawners into overdrive, to see how long you can last.
125. Backyard Monsters It's like Farmville mixed with Warcraft. Build monsters to attack other towns.
126. Unnatural Selection Make bugs into better bugs ( :nms: for bug fearing people).
127. Robo Strike The goal is to destroy the other player's robots and be the last one standing.
128. Fail Deadly Requires Unity player. It's a unique spin on your traditional TD/RTS game, instead of controlling the defenders or attackers, you control both simultaneously as a third party. Your goal is to make sure that neither side LOSES until the time at which both can destroy each other outright via Nuclear Strike.
129. Theme Hotel Your goal is to build a five-star hotel.
130. Ski Resort Mogul Basically a city building game, lots of levels and progression but still keeps it simple.
131. Hex Empire
132. Creeper World 2: Academy On the eve of your glorious campaign to retake the galaxy a new threat emerges.
133. UMAG2 UMAG2 is a pretty sweet gunbound/worms type game.
134. Zombies, Inc. a fun little game where you run a corporation of zombies that happens to be bent on world domination. Pretty easy, but full of upgrades, time/resource management, and the ubiquitous zombies.
135. Fairway Solitaire Solitaire scored on golf rules. FUCK level 8.
136. Icy Fishes Drop a bomb combo game. Nothing new but has some nice gimmicks/graphics+upgrades.
137. Castle Commander RTS in which the aim is to conquer all the castles on the map.
138. Solar Vengeance 6 (while not specifically Flash) is the first web-based entry to the series and is sort of a 4x space strategy/RTS hybrid.
139. Hotel Baron Fun hotel building sim.
140. New Star Soccer Soccer sim with lots of crap you can do. Pretty good time waster once you get into it.
141. Immortal Souls - Dark Crusade "Action RPG that blends elements of Final Fantasy, Puzzle Quest, and Bejeweled!"
142. War of the Web NG Kon Jigg Every site wants to claim Mars for themselves, and all out war has broken out between New Geo, Kong, Armora, F.A.C.E., and Jiggs.
143. Pocket Creature Army builder/upgrade game where you build up a squad of monsters to fight other monsters.
144. The Islands of Freedom Like that one game where you're taking over cells but with pirates.
145. Browser Quest Nice "proof-of-concept" browser based MMO type game.
146. Boom Town You know the concept of fishing with dynamite? It's that, but with gold mining, plus building a town of miners to go along with it.
147. Godfield 2-8 player card game. The goal is to make your opponents lose all of their hitpoints and ascend to heaven.
148. New World Farming/action sim. Bit of a learning curve to start.
149. Innkeeper Hotel management game by Armor Games (build rooms and amenities, attract guests through marketing, etc.).
150. Nano Kingdoms Cutsey attack/defend strategy with a bunch of upgrades.