Tetraminos
17 Achievements
Steam
Noob Killer
Clear 10 lines in Multiplayer mode
6.8%
How to unlock the Noob Killer achievement in Tetraminos - Definitive Guide
VonThronstahl
The multiplayer is local only and a second controller is needed. You can do this solo but it's obviously easier with another person. Stack pieces together and clear rows. Keep the other player alive to get enough time to clear 10 rows.