Action · GAME 18
Steel Defender
Rotate your phone or use fullscreen for a wider play area.
How to play
Deploy heavy defenses and stop every enemy from crossing your position.
Strengthen the busiest lane first, then cover weak spots.
Controls
Click/tap a lane to place a defense; click/tap an upgrade or sell control when available.
What to do
Stop every enemy before it crosses the base line.
How a round ends well
All waves are defeated with the base intact.
When to try again
An enemy reaches the base or available resources cannot fund the required defense.
What is being tested
Lane placement, upgrade timing, and enemy pathing form the tower-defense loop.
Three practical approaches
- Strengthen the busiest lane before spreading upgrades.
- Keep a small reserve for the next wave.
- Place slow effects before high-damage defenses.
Phone notes
Landscape is preferred for seeing lanes and upgrade controls together.
Before you play
The game does not sync tower layouts between devices and may reset after reload.
Input and display notes
Lane color and icon shape distinguish defenses; text labels are small on phones.
Chromium runtime load on 2026-08-15: canvas present and 124 same-origin assets observed. Manual control verification: 未确认.
landscape
2026-08-15