The Battle Bricks how to play answer is to send battlers against enemies, prevent enemy pressure from breaking your base, build enough push to destroy the enemy base, and improve units and base strength as chapters progress.
The core loop
The Battle Bricks how to play loop has four visible parts. First, you send units into the fight. Second, enemies fight back and create pressure. Third, your own base must survive. Fourth, your push has to reach and destroy the enemy base. That is the basic flow supported by the official Roblox description.
Players coming from other tower-defense games should notice the push-and-counterpush wording. The Battle Bricks is not described as a passive placement game where enemies only walk through fixed towers. The official description says enemies are able to fight back, so the safe way to learn is to watch the fight state rather than only reading a static list.
Sending battlers
Battlers are the player-side units. The Battle Bricks how to play page does not rank them yet, because a rank needs testing and patch context. Instead, start by learning what each battler seems to do, when it survives, and what enemy pressure stops it.
If you are stuck, do not assume the answer is always a new battler. The official description also mentions upgrading units and base strength. Sometimes your next step is a stronger base or better timing, not a different unit.
Managing enemies
Enemies matter because they can fight back. The practical habit is to read pressure early. If enemies are reaching your base too often, spending into offense may fail. If your defense is stable but the enemy base is never threatened, your sends or upgrades may be too slow.
The Battle Bricks how to play page can explain that pattern without inventing enemy stat tables. For exact enemy values, wait for a maintained source or hands-on testing.
Progressing through chapters
The official Roblox description currently highlights Chapter 5, and the game description talks about conquering chapters. That makes chapters a natural progression frame. Use chapters to think about increasing difficulty, new unlocks, and stronger upgrade needs, but avoid assuming a future chapter date until an official source says so.
What to read next
After learning The Battle Bricks how to play basics, read systems for the full concept map, battlers for unit orientation, enemies for opposition, and currencies for upgrade context.