Fear Factory: Monster Merge
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Everyone 10+
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5+
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About this game
Breed. Merge. Evolve. Fear Factory is a horror-themed idle merge game where you combine grotesque monsters, evolve them into towering nightmares, and build an empire of pure Fear.
MERGE MONSTERS, EVOLVE NIGHTMARES
Drag two identical monsters together to merge them into a higher-tier horror. Start with lowly Sewer Rats, merge your way up through Giant Spiders and Mutant Toads, and evolve all the way to the mighty Sewer Overlord. Every merge generates Fear — and every upgrade makes the next monster deadlier.
AN IDLE GAME THAT PLAYS WHILE YOU SLEEP
Your monsters keep generating Fear while you're offline. Come back to a pile of currency, upgrade your lab, expand the merge grid from 3x3 all the way to 6x6, and watch the numbers explode. No energy timers. No paywalls. Just pure idle merge progression.
COLLECT 32 MONSTERS ACROSS 4 HORROR BIOMES
THE SEWER — classic creature-feature horrors lurking in the depths
THE CRYPT — undead gothic nightmares clawing out of their graves
DEEP ABYSS — Lovecraftian aquatic terrors from the ocean floor
THE VOID — paranormal entities from beyond reality itself
Every biome hides 8 hand-drawn monsters to discover, merge and collect. Track each creature you unlock in the Monster Codex.
CHAIN COMBOS FOR MASSIVE FEAR
Merge fast to build a combo multiplier. String enough merges together and you'll land a CRIT MERGE for a huge Fear payout — the deeper the chain, the bigger the burst.
PRESTIGE AND GO DEEPER INTO THE DARK
Reset your factory to earn Dark Essence and unlock permanent upgrades that make every future run faster, darker and far more monstrous.
FEATURES
- Idle merge gameplay — merge monsters, generate Fear, upgrade, repeat
- 32 unique hand-drawn monsters across 4 horror biomes
- Upgradeable merge grid, from 3x3 up to 6x6
- Combo system with crit merges for bonus Fear
- Monster Codex to collect and track every creature you discover
- Prestige system with Dark Essence and permanent upgrades
- Offline earnings — idle progress while you're away
- Achievements and milestones to unlock
- Google Play Games cloud saves
- Free to play, with no energy systems and no paywalls
If you love idle games, merge games, monster collecting or creature evolution — and you like your horror served with a grin — Fear Factory is your kind of nightmare.
How deep into the darkness will you go?
From Nomageddon Interactive
MERGE MONSTERS, EVOLVE NIGHTMARES
Drag two identical monsters together to merge them into a higher-tier horror. Start with lowly Sewer Rats, merge your way up through Giant Spiders and Mutant Toads, and evolve all the way to the mighty Sewer Overlord. Every merge generates Fear — and every upgrade makes the next monster deadlier.
AN IDLE GAME THAT PLAYS WHILE YOU SLEEP
Your monsters keep generating Fear while you're offline. Come back to a pile of currency, upgrade your lab, expand the merge grid from 3x3 all the way to 6x6, and watch the numbers explode. No energy timers. No paywalls. Just pure idle merge progression.
COLLECT 32 MONSTERS ACROSS 4 HORROR BIOMES
THE SEWER — classic creature-feature horrors lurking in the depths
THE CRYPT — undead gothic nightmares clawing out of their graves
DEEP ABYSS — Lovecraftian aquatic terrors from the ocean floor
THE VOID — paranormal entities from beyond reality itself
Every biome hides 8 hand-drawn monsters to discover, merge and collect. Track each creature you unlock in the Monster Codex.
CHAIN COMBOS FOR MASSIVE FEAR
Merge fast to build a combo multiplier. String enough merges together and you'll land a CRIT MERGE for a huge Fear payout — the deeper the chain, the bigger the burst.
PRESTIGE AND GO DEEPER INTO THE DARK
Reset your factory to earn Dark Essence and unlock permanent upgrades that make every future run faster, darker and far more monstrous.
FEATURES
- Idle merge gameplay — merge monsters, generate Fear, upgrade, repeat
- 32 unique hand-drawn monsters across 4 horror biomes
- Upgradeable merge grid, from 3x3 up to 6x6
- Combo system with crit merges for bonus Fear
- Monster Codex to collect and track every creature you discover
- Prestige system with Dark Essence and permanent upgrades
- Offline earnings — idle progress while you're away
- Achievements and milestones to unlock
- Google Play Games cloud saves
- Free to play, with no energy systems and no paywalls
If you love idle games, merge games, monster collecting or creature evolution — and you like your horror served with a grin — Fear Factory is your kind of nightmare.
How deep into the darkness will you go?
From Nomageddon Interactive
Idle monster merge game! Breed, merge & evolve horror monsters in dark biomes
Updated on
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What’s new
A big visual pass on the whole factory.
• Every biome now has living ambient weather — drifting sewer mist, crypt embers and more
• Monsters cast grounding shadows and arrive on spawn beams
• Cleaner grid, sharper cells, reworked title screen
• Fixed late-game numbers breaking past a certain scale
• Privacy policy and privacy choices in Settings
• Every biome now has living ambient weather — drifting sewer mist, crypt embers and more
• Monsters cast grounding shadows and arrive on spawn beams
• Cleaner grid, sharper cells, reworked title screen
• Fixed late-game numbers breaking past a certain scale
• Privacy policy and privacy choices in Settings
App support
About the developer
NOMAGEDDON INTERACTIVE LLC
nomageddoninteractive@gmail.com
7901 4TH St N Ste 300
Saint Petersburg, FL 33702-4399
United States
+1 321-247-8171
