84%Excellent matchWorshippers of Cthulhu
80%79480% positive reviews, Very Positive across 794 reviews·Colony Sim · Sandbox
—In this Lovecraftian real-time tactics game you play as a 1920s cult leader on a mission from the Old Ones. Build your cult, summon eldritch monsters, and undertake stealth tactics missions to spread insanity and amass power! In CTHULHU KEEPER you are the cosmic horror.
Cthulhu Keeper
SteamWelcome to Cthulhu Keeper, a real-time tactics and dungeon-building game set in the eerie 1920s, where you assume the role of a cult leader weaving a web of dark influence. Build, defend, and expand your lair, summon terrifying creatures, and orchestrate sinister missions.

Plan and execute missions in the outside world, from stealing artifacts to converting new followers. Each mission presents unique objectives, like capturing valuable targets or escaping undetected. Customize your cult leader and monsters for each mission, equipping them with helpful items and powers.
Begin by carving your lair from solid rock. Lay out halls and chambers, create dedicated rooms for rituals, and strategically place defenses to fend off intruders. Customize the layout, giving your cultists tasks like research, monster care, and trap setting.
Use the power of ancient tomes and artifacts to summon creatures from Lovecraft’s mythos. Each monster brings unique abilities and needs a fitting habitat, such as shadowed caves or occult gardens. Choose carefully: a stealthy Shambler can move unnoticed, while a powerful Mi-Go dominates the skies.
As your lair grows, word spreads, drawing attention from rival cults, detectives, and the police. Set traps and strategically place spells to defend your cult against these intrusions. If an invasion breaks through, your compound will suffer damage, and resources will be stolen.
Dig, Dagger, Dagon.
Can you harness the ancient powers without losing your sanity?
Steam data © 2026 Valve Corporation. Trademarks are property of their respective owners.
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The best games like Cthulhu Keeper are Worshippers of Cthulhu, Chromosome Evil, Chromosome Evil 2, Call of Cthulhu®, and Lovecraft's Untold Stories.
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