Games like
Pax Historia
Love leading a nation through AI-written alternate history? Play free AI war and grand-strategy games like Pax Historia on WorldOS — right in your browser.
Pax Historia vs WorldOS
| Pax Historia | WorldOS | |
|---|---|---|
| Genre | AI alternate-history nation strategy | Any game you can imagine — war, strategy, history, sci-fi, and more |
| Content | One game, different settings | Thousands of community games, each with its own settings, maps, rules, and customizable modules. You can build your own, too. |
| Price | Paid tokens | Free to play — daily free zaps, no card needed |
War & grand-strategy games like Pax Historia
Lead a nation, command armies, and rewrite history on a living map — all free to play.
WW2 Game
Lead a nation through the global Second World War. Empires, oceans, colonies, and fronts move together.
Game of Thrones Game
AC 297. A new Hand rides south and the realm holds its breath. You're nobody the songs remember — a lowborn striver or a lesser-house cousin — living one month at a time as winter and war come for the Seven Kingdoms.
Three Kingdoms Simulator
196 AD. The Han is a corpse on the throne and a dozen warlords carve up the realm. Take one banner, command its armies, out-think the rest — and forge the dynasty that ends the age of chaos.
Modern Day 2026
Lead any nation in the world of today.
Crusader Kings 3
Same 1066 Europe — a different king, duke, or claimant every run, story written fresh.
Cold War Game
Lead a great power as the world splits in two.
Crusader Kings: France
1066. You are a dynasty, not a man. Marry, scheme, conquer — and make sure your blood, not a rival's, inherits it all.
History Simulator: Chongzhen
Inherit the collapsing Ming as the Chongzhen Emperor and rule by your own edicts — every decree a butterfly's wing over a dynasty's fate.
American Civil War Simulator
April 1861. The Union fractures and the guns open on Fort Sumter. Lead the Union or the Confederacy through four years of war — armies, the blockade, foreign recognition, and the fate of a nation.
World War I Game
Lead a great power into the war that ended the old world — 1914.
Civilization Simulator
Play as Trajan, Cleopatra, Gilgamesh, Qin Shi Huang, Gandhi, or Mansa Musa — build, research, negotiate, and conquer to any victory on a living hex world map.
A Game of Thrones: Dance of the Dragons
The realm is torn between the Blacks and the Greens. Choose your banner, survive the fire, and carve your name in history.
Israeli Prime Minister Simulator
Take charge of the cabinet, balance contradictions from all sides, expand the geopolitical layout, and make Israel grow stronger amidst the storms.
WW2: World 1935
Lead a nation through the global Second World War. Empires, oceans, colonies, and fronts move together.
Pax Historia — frequently asked
Yes. WorldOS is free to play — you get free zaps every day (no card needed), which is enough to play war and grand-strategy games like the ones on this page.
WorldOS runs right in your browser on desktop and mobile — nothing to download. It plays like a Pax Historia app: open a game and start leading a nation in seconds.
WorldOS has a big community — thousands of shared, remixable games, an active Discord, and a large global player base. Every public game is one you can jump into or fork into your own version.
On WorldOS, the closest are the AI war and grand-strategy games above — WW2, Cold War, Three Kingdoms, Crusader Kings, Modern Day and more, where you lead a nation through AI-written history.
WorldOS gives you free daily zaps instead of paid tokens, so you can keep playing every day at no cost.
Start your first game free
Pick a nation, make your call, and watch the AI play out the consequences turn by turn.