Free to playVectorio Classic Build, overheat, defend, repeat
Claim resources, research weapons and hold the line against waves of enemy shapes in a clean little strategy sandbox.
Is Vectorio Classic worth it?
Vectorio Classic is worth it if…
- you like base builders that explain themselves in minutes instead of hours
- you enjoy balancing an economy against a rising threat
- you prefer clean, colorful visuals over gritty detail
- you don't mind that this is the unfinished classic, short and still growing
Screenshots
Better with a friend on the line
Vectorio Classic has multiplayer modes built for exactly the kind of session where you join a lobby, split the map and start shouting about power shortages. Play co-op and divide the work: one of you runs the logistics and keeps the generators fed, the other handles the front line while the enemy shapes pile up. Or turn on PvP and find out whose base design survives longer. The rules are simple enough to explain in a minute, so nobody spends the first half hour reading. Just note that the online side can be rough around the edges, so a disconnect mid-siege is a real possibility. When it works, though, coordinating a defense with a friend is the best the game gets.
Heat is the whole game
Everything you build gives off heat, and heat is what draws the enemy in. More machines means more gold, more essence, more rare metal, but also bigger and meaner ships heading your way. That single trade-off shapes every decision: claim another patch of resources and you can afford better turrets, but you will need them sooner than you think. When your heat bar fills, you unlock the chance to fight a boss, and beating it raises your heat limit so the base can keep growing. Push too fast and you will find yourself under-defended with a very large ship on the horizon. Push too slow and nothing happens at all. Finding that line is the puzzle.
Four guardians, one clean map
The goal is to defeat all four guardians and end the onslaught of enemy shapes for good. Getting there means claiming resources across the map, researching new weapons and buildings, and expanding your territory one defended outpost at a time. The look is deliberately pared back: bold colors, simple geometric shapes, a top-down view where every turret and drone is a clean little square doing its job. It reads at a glance, which matters when a big ship appears in the distance and you need to know instantly whether your line can handle it. The music is easy on the ears too, the kind of soundtrack you stop noticing until it ends.
Questions before you play?
Can you play it solo?
Yes. Singleplayer is the core: you claim resources, research tech and fight the four guardians on your own. Multiplayer is there when you want company, but nothing in the game requires it.
How long does a run take?
Shorter than you plan for. The loop of expanding, defending and unlocking is built for quick sessions, and it has a habit of turning "one quick go" into an evening. As the uncompleted classic edition, the whole thing is on the shorter side once you know what you are doing.
Is it hard to learn?
No. The rules fit on a napkin: build generators on resources, place turrets to defend them, manage your power and heat. The interface is clean and the first minutes come easily. The difficulty arrives later, when the enemy ships stop being small and your power grid stops being enough.
What makes it different from other tower defense games?
The heat system. Every building you place raises the temperature, and higher heat brings stronger enemies, so growth and danger come from the same dial. You decide when to push that dial, and when to cash it in for a boss fight that raises your ceiling.
What are the enemies actually like?
Shapes, mostly ships, and they scale with your aggression. Early waves are small enough to shrug at. Then a really big ship shows up, tears through your defenses, and you learn to take expansion seriously. The variety of enemy types keeps you experimenting with turret placement and loadouts.
























