KELDER is an immersive horror game set in a basement where the past comes to life. Here, abandoned experiments coexist with indescribable anomalies, and the stories of vanished adventurers have left only hints. The player must piece together these fragments and survive. There is no salvation in the darkness Dim lamps, echoing footsteps, and strange shadows transform the basement into a nightmare. Every object discovered prompts new questions, but also brings you closer to danger. The atmosphere is heightened by the sound design and eerie visual detail. Progress is built on exploration and problem-solving. Secret rooms, hidden passages, and strange mechanisms open up new areas. The further you descend, the more hopelessness you feel. And yet, there is a way out — if you have the courage. Game features An immersive exploration of the post-Soviet basement. Sounds and atmosphere that create tension. Puzzles and secret doors. An environment that tells a story.