Flip Knife | DopplerEarn free skins, games, gift cards & cryptocurrencies!
Sign Up
No extra registration needed, you can immediately sign up to our platform with your already existing Steam account. We also support authentication through Google, Facebook, Twitter, and Discord.
Sign Up
Earn Points
We offer multiple ways to earn points. Complete tasks and offers, watch videos, mine cryptocurrencies, invite friends to Idle-Empire or join our TF2 idle servers. Discover your favorite method!
Start Earning
Get Rewards
You can then exchange your points for skins, games, gift cards & cryptocurrencies. We support different markets which allow you to withdraw skins for several popular games, including CS:GO and TF2.
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