IDLE WAVE DEFENSE · FREE IN YOUR BROWSER
Every expedition restarts.Your progress stays.
Defend the center in automatic battles, invest the silver earned during each expedition, and use gold, gems, and crystals for permanent upgrades. Play solo or in co-op, right in your browser.
- No download
- Guest mode
- Solo or co-op up to 4

FROM BATTLE TO FORTRESS
The battle resets. The power you built does not.
Every run has two layers of choice: silver upgrades that last for that battle and permanent systems that prepare your hero for the next Hunt.

The loop that grows your build
- 01
Enter the expedition
Your hero holds the center and attacks automatically as creatures close in.
- 02
Shape the run
Spend earned silver on attack, defense, and resource upgrades for that battle.
- 03
Return stronger
Back at the Fortress, invest rewards in upgrades, cards, and the laboratory for permanent growth.
WAVE 50 IS A MILESTONE, NOT THE END
Open the next Hunt. Keep chasing your record.
Each Hunt brings new enemies and bosses. The final boss at wave 50 unlocks the next territory, but the expedition can continue as the waves get harder and your best result keeps climbing.
- 10
- Hunts available
- 50
- unlocks the next Hunt
- ∞
- waves to push through


ON DESKTOP OR MOBILE
The same arena, wherever you want to play.
The interface adapts to desktop and mobile browsers. Guest progress stays tied to that browser; create an account to continue on other devices.
Solo when you want. Co-op when the party calls.
After your first battle and the tutorial, find groups of 2, 3, or 4 players and face the same Hunt together.
BEFORE YOU ENTER THE ARENA
What you need to know
Do I need to download the game?
No. ClickerOT Invaders runs directly in desktop and mobile browsers.
Can I start without creating an account?
Yes. Guest progress stays tied to the browser you use. Create an account to protect your progress and continue on other devices.
Is the game free?
Yes. You can start and play for free. The game may also offer optional digital product purchases.
What happens after wave 50?
The final boss at wave 50 unlocks the next Hunt. Your current expedition can continue beyond that milestone so you can beat your own record.
How do upgrades work?
Silver buys temporary upgrades during an expedition. At the Fortress, gold, gems, and crystals take part in permanent progression systems.
When does co-op unlock?
After your first battle and the tutorial, you can find groups of 2, 3, or 4 players.
THE ARENA IS OPEN
Start the build that will take you further.
Enter as a guest, play your first expedition, and discover which decisions carry into the next run.
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