Strategy: Think like a commander

11 short lessons in the Structs Academy. Each one finishes when you do the thing or answer its quiz, and pays experience toward your rank; finish the track for the Strategist badge. Nothing here needs an account.

Meet your units

Every struct has a job: some shoot down planes, some sink ships, some guard, some only mine. Open the Unit Guide and look at one.

Try it · 30 XP

Space, air, land and water

A battlefield has four layers: space, air, land and water. A weapon can only hit the layers it reaches.

Quiz: The enemy fleet is all air units. Which of your weapons will help?

Try it · 40 XP

Charge: patience is power

Charge goes up by one every block (about 6 seconds). Big moves need more, and almost every move resets it to zero.

Quiz: Your charge is 3 and a build needs 8. What do you do?

Try it · 40 XP

Win a practice battle

Training battles use the real combat rules, but nothing can be lost. Destroy the enemy Command Ship to win.

Try it · 60 XP

Guards and blocking

Tell a unit to guard another in the same layer: shots at the protected unit hit the guard instead, and guards shoot back.

Quiz: Your Command Ship is being targeted. What can a guard do?

Try it · 40 XP

Hide and seek

A hidden (stealth) unit can only be targeted by enemies in its own layer. Attacking reveals it.

Quiz: Your Submersible is hidden in the water layer. Who can still target it?

Try it · 40 XP

Take down a Command Ship

Every fleet is led by a Command Ship. Sink a raiding fleet’s Command Ship and that whole fleet is beaten, so go for the leader.

Try it · 60 XP

Watch a real battle

Every shot of every real battle is saved on the blockchain. Watching them is how commanders learn new tricks.

Try it · 30 XP

Beat the Daily Challenge

One new battle every day, the same for every player: same fleets, same dice. Win it, then compare with friends.

Try it · 80 XP

Run the Gauntlet

Five battles in a row: ships you lose stay lost and damage carries over. Clear two rounds to pass.

Try it · 80 XP

Say hi on the Concourse

Commanders meet in the lobby. Walk up to someone, then say hi or send a stamp: good allies start with a hello.

Try it · 30 XP

Other tracks

Strategy · Economics · Technology · Glossary

Structs Command Deck: play Structs, the space strategy game on the Cosmos blockchain, free in your browser. Train in battles, learn strategy, economics and technology in the Academy, meet other commanders in the Concourse, then build, mine, refine and raid for real on chain. Works on phones, keyboards and gamepads.

STRUCTS