"What the Luck?: CoOp Defense" (also known as Lucky Defense!) is a mobile tower defense game heavily centered on RNG (random number generation) and luck-based mechanics. Developed by 111percent, the game challenges players to defend against waves of monsters using summoned units, with success determined by whether they "beat the odds".

"What the Luck?: CoOp Defense" (also known as Lucky Defense!) is a mobile tower defense game heavily centered on RNG (random number generation) and luck-based mechanics. Developed by 111percent, the game challenges players to defend against waves of monsters using summoned units, with success determined by whether they "beat the odds".