Your First Session in EU5: The Day-One Checklist

Every nation guide on this site opens with a “before you unpause” section, and if you read three of them side by side a pattern jumps out: the specifics differ, the checklist doesn’t. This page is that checklist — the universal first session, for any nation — followed by the first-decade loop and the how-do-I questions everyone asks in week one.

The ten-minute pre-unpause summary

If you want the checklist as a literal checklist, it’s this table — each row is expanded in the six checks below:

Run it once per campaign, in order. Nothing on it takes more than a couple of minutes, and every nation guide on this site is some nation-specific flavor of these same six rows.

Before you unpause: six checks

1. Read your situation panel. If your nation starts inside a scripted situation — Rise of the Turks, the Hundred Years’ War, an Iberian reconquista — that situation’s actions and goals are your campaign’s table of contents. Byzantium’s whole opening is shaped by two disasters; the Ottomans’ by a situation scoreboard. Know which story you’re in before you make plans.

2. Settle the capital. Capital placement drives proximity, and proximity drives control and cost. Day one is when moving is cheapest — Castile players argue about where (Sevilla versus Toledo) but nobody argues about when. If your capital is already where your population and economy concentrate, leave it; if not, decide now.

3. Point the cabinet at stability. Two seats on legitimacy and stability is the standard defensive opening across every guide we publish. Growth jobs — conversion, integration — come once you’re safe. Hire one advisor at most; their salaries compound.

4. Triage the economy. In order: fix shortages (a building without inputs is a subsidy to nowhere), then invest in construction goods — wood, glass, masonry — because they discount everything you build for the rest of the game, then develop whatever your nation is uniquely good at. Turn off or tear down buildings ticking upkeep in territory you barely control.

5. Pick rivals like you’re picking wars. Rival the countries you actually intend to fight in the first two decades — rivalry feeds your diplomacy and your casus belli math. And deliberately don’t rival the country you’ll want to union or ally later; Castile’s guide holds Portugal in reserve for exactly this reason.

6. Set automation honestly. Open the gear menu and automate everything you’re not actively learning. The one system worth taking manual early is trade, whose automation has documented blind spots around input goods and profit maximization.

The first-decade loop

Play the opening ten years as a repeating cycle rather than a plan:

• Parliament session → convert it into casus belli for your next one or two targets (this is the standard CB engine across our guides). Think of parliament as a timer: when it convenes, you should already know which target its support will be spent on.
• Situation actions → if you have a situation, spend its actions; they’re usually underpriced (the Ottomans’ Press Claims discount is the archetype). Ignoring a situation you’re inside is the single most common way new players fall behind a scripted arc they could have been steering.
• One alliance that matters → max relations, profess trust, then ally the neighbor who scares your enemies — France for Castile, nobody at all for the Ottomans. One great ally beats three mediocre ones. The point is deterrence more than war-waging: a strong ally changes what the AI dares to declare on you.
• No fair fights → engage smaller armies, on your terrain, at river crossings, near your forts. Quality over quantity: pushing military quality past 10 unlocks professional armies, the first real military power spike. If a war requires winning a battle you wouldn’t bet on, the war itself was the mistake — declare smaller next time.
• Watch three gauges → estate satisfaction (50+), control in new conquests, and antagonism. Each of the common death spirals in our nation guides starts with one of these three sliding while the player looked at the map instead. Build the habit of checking them every time a peace deal closes — that’s the moment all three move at once.

Session two and beyond: taking the training wheels off

The first session is about not drowning; the next few are about deliberately reintroducing complexity one system at a time. The order that works: trade first — it’s the automation with the most documented blind spots (missed input goods, missed profit), so it repays manual control earliest. Then whichever system your nation’s guide flags as its core lever: navy and diplomacy for Naples, expansion timing for Castile, the situation scoreboard for the Ottomans. Keep everything else automated without guilt; the menu exists to be used.

Between sessions, measure yourself against the only benchmark that matters this early: reaching 1390 solvent, intact, and slightly larger than you started. If a campaign misses that, diagnose which of the three gauges failed before you restart — a restart with a diagnosis is a lesson; a restart without one is just a new save file.

When something goes wrong anyway

It will — that’s the genre. The FAQ below covers the specific how-do-I questions with the highest search traffic among new players; for anything nation-shaped, each nation guide carries its own death-spiral table with symptoms, causes, and fixes. And remember the meta-rule from the first page of this series: a first campaign that reaches 1390 solvent and intact has succeeded. Restart shame is not a mechanic.