게임 정보
Return to Sender is a competitive horde mode first-person shooter with retro graphics reminiscent of Wolfenstein 3D and a multiplayer mode inspired by Tetris.

Every monster you kill,

Spawns in your opponent's game.

Buy guns to powerup,

and upgrade the monsters you send to the other player.

Outlive your opponent... or die. Last living player wins.
What is Competitive Horde Mode

Every monster you kill,

Spawns in your opponent's game.

Buy guns to powerup,

and upgrade the monsters you send to the other player.

Outlive your opponent... or die. Last living player wins.