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Return to Sender is a competitive horde mode FPS with a multiplayer mode inspired by Tetris where you send every enemy you kill to the other player. Buy guns and upgrade the enemies for the other player to outlive them!
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Return To Sender
SteamAbout Return To Sender
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.
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.
Steam data © 2026 Valve Corporation. Trademarks are property of their respective owners.
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