Retro FPS in the style of a Boomer Shooter! Step into the role of an agent and enter a lab filled with mutants, traps, and mad experiments of Dr. Hemlock. Uncover the dark truth, fight for survival, and discover what hides behind the locked doors. Will you survive?

Open Close Door is a story-driven retro FPS in pixel art style that takes you back to the golden age of 90s shooters — but with its own narrative, dark atmosphere, and relentless pace.You play as a secret agent who receives an urgent call from Doctor Hemlock. From the depths of an abandoned laboratory comes a chilling message: your wife might still be alive. But the truth is darker than you can imagine.Descend into a complex filled with mutants, inhuman experiments, and deadly traps. Fight your way through 10 unique levels, each featuring comic-style cutscenes, interactions, and shocking revelations.The game combines fast-paced action with story moments — shoot, explore, and survive to uncover what’s hidden behind the locked doors.<h2 class="bb_tag" >🧩 Features</h2><ul class="bb_ul"><li>Fast and brutal retro FPS action</li><li>Atmospheric story with a dark mystery</li><li>Mutants, traps, and twisted experiments</li><li>Stylized comic-book cutscenes</li><li>A mix of action, exploration, and survival</li></ul><h2 class="bb_tag" >🎮 About the Game</h2><ul class="bb_ul"><li>Genre &amp; Style: Boomer Shooter, retro FPS, 90s-inspired pixel art action</li><li>Story: Play as an agent uncovering the truth — your wife may still be alive, but the lab hides something much worse</li><li>Gameplay: Unique levels, comic-style cutscenes, varied weapons, fast pacing, and survival mechanics</li><li>What makes it special: A moody atmosphere, a blend of story and action, and interactions with the environment and characters</li></ul><h2 class="bb_tag" >💬 Developer’s Note</h2>Open Close Door is an indie project I’m creating alone in my free time — purely out of love for classic retro FPS games. Don’t expect a massive AAA production, but if you appreciate the authentic atmosphere of 90s shooters and handcrafted content, I believe this game will grab you. Every wishlist and bit of support means a lot to me. 🙏

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Open Close Door Achievements