OneLiner.io is a free arcade game developed by Zilmer Games for Android devices. The game challenges players to draw an object using only one line and create a path towards the goal line before their opponent does. The faster and more accurately a player draws, the higher the chances of winning.

The game features a simple yet engaging gameplay that tests the player's drawing skills and speed. The pressure to draw quickly and accurately adds to the excitement of the game. Players who fail to draw the object will see their path crumble under them, making the game more challenging. OneLiner.io is a fun and addictive game that will keep players engaged for hours.