Territorial IO
New
- Genre Board games
- Players 1–2
- Session 10 min
- Price Free
- Updated
A strategy game with almost no graphics and a genuinely deep system underneath. You own territory, you have troops, and troops accrue interest over time — so the central decision in every game is when to spend, because troops held are troops multiplying and troops spent are gone. That interest mechanic makes it a game about patience against hundreds of other players. Early aggression buys territory at the cost of the compounding that decides the late game, and players who attack constantly are reliably overtaken by somebody who sat still for two minutes longer. Attacks are made at a percentage of your force, so the skill is choosing a proportion that takes the target without leaving you exposed to the neighbour watching you do it. Games run twenty minutes or more with hundreds of participants on one map, and the final stages are decided by accumulated advantage rather than by a single manoeuvre. The presentation is deliberately plain and the numbers are everything. It plays on a phone, runs on anything, and rewards thinking rather than clicking. One of the smartest games in its format by a distance.
| Click or tap a territory | Attack or reinforce |
|---|---|
| Slider | Set the percentage of troops committed |
| Drag | Pan the map |
How to play Territorial IO
- Hold troops early; interest compounds and spending breaks it.
- Attack with a percentage that wins comfortably rather than exactly.
- Expand into neutral land before provoking a neighbour.
- Watch who is holding a large reserve; they are the real threat, not the largest territory.
- Keep a defensible border rather than the most land.
Tips
- Troops earn interest, which makes patience mathematically correct rather than merely cautious.
- Attacking with too high a percentage leaves you open to the next neighbour.
- The player with the biggest reserve is more dangerous than the player with the most land.
Questions about Territorial IO
Do troops earn interest?
Yes, which is the core mechanic.
How many players?
Hundreds on a single map.
How long is a game?
Twenty minutes or more.
Does it need fast clicking?
No, it rewards thinking.
Does it work on a phone?
Yes.
Does it need installing?
No.
Are graphics important?
Deliberately minimal.






