The Devourer is always hungry and it’s your job to feed it in this idle merge game mashup. Play as the NecroMerger and use dark magic to summon an array of creatures (skeletons, zombies, demons, banshees… the list goes on). Merge them from piddly little grunts into massive (and tasty) brutes, before feeding them to your ever hungry pet. As you grow
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App Store edition · Researched Nov 9, 2026 · Guide updated Nov 9, 2026.
Your main goal is to feed the Devourer, a pet that is always hungry. You achieve this by summoning various creatures, merging them into larger, tastier brutes, and then feeding those creatures to your pet to help it grow.
Based on source 1.
You should focus on completing tasks to unlock new stations and equipment like graves or altars. These stations allow you to summon stronger creatures, which helps you manage your underlings and maximize your overall resource generation effectively.
Based on source 1.
As your Devourer increases in size, your lair will expand. This growth allows you to unlock powerful new abilities and spells, while also attracting various visitors to your lair, including merchants, champions, and rivals that you must manage.
Based on source 1.
Merging creatures allows you to evolve them from small grunts into massive brutes. These larger creatures are tastier for your pet and possess unique abilities that help you manage resource generation, damage output, and overall deliciousness levels.
Based on source 1.
As your pet grows, you will attract merchants, champions, and rivals. You must decide how to interact with them, as some visitors can be useful to your progress, while others must be fought or fed to your pet.
Based on source 1.
You can unlock a variety of stations and equipment to enhance your operations, including graves, altars, fridges, bathtubs for storing excess slime, supply cupboards, and lecterns. These items are essential for summoning stronger creatures and managing resources.
Based on source 1.
Yes, the game features a unique resource management system that allows your resources to continue generating even when you are offline. This idle mechanic ensures your progress continues while you are away from the game.
Based on source 1.
Legendary Creatures are special units that provide massive benefits to your gameplay. They are part of the collection of over 70 creatures you can spawn and merge to help optimize your lair and resource management strategies.
Based on source 1.
You should focus on completing specific tasks to unlock new equipment and stations. Additionally, you can master various spells and brew potions to further enhance your capabilities and expand your lair as your pet grows larger.
Based on source 1.
The core loop involves using dark magic to summon creatures, merging them into stronger forms, and feeding them to your hungry pet. This process expands your lair, unlocks new abilities, and helps you maximize your resource generation.
Based on source 1.
AI-assisted research with automated evidence and consistency checks. Good Game Daily organizes publisher information into practical answers. Guidance is an editorial interpretation of those sources. These notes are based on source research rather than a firsthand playtest; editions and later updates may differ.
Based on listed game features. This is not a firsthand review. Check the publisher’s listing ↗
+ Large technical update.
Release notes supplied by the developer through the App Store.
Developer description, as provided in the original store listing.
The Devourer is always hungry and it’s your job to feed it in this idle merge game mashup. Play as the NecroMerger and use dark magic to summon an array of creatures (skeletons, zombies, demons, banshees… the list goes on). Merge them from piddly little grunts into massive (and tasty) brutes, before feeding them to your ever hungry pet.
As you grow your Devourer you’ll attract the attention of merchants, champions and even rivals. Some can be useful, others must be fought… or fed to your insatiable pet. The bigger the Devourer grows the more your lair will expand and you’ll unlock powerful abilities and spells.
Complete tasks to unlock new stations and equipment… graves, altars, fridges and even a bathtub to hold excess slime. New stations will let you summon new, stronger (and even more tasty) creatures. Manage your lair and your underlings to maximize your resource generation.
NecroMerger is a whole new type of game, which combines merge and idle mechanics with resource management to create something truly unique.
Grow Monsters
+ 70+ creatures to spawn and merge.
+ Creatures have unique abilities to manage (resource generation, damage, deliciousness)
+ Legendary Creatures with massive benefits.
Expand your Lair
+ Expand your lair. Unlock new equipment including; graves, supply cupboards, lecterns.
+ Attract Champions, merchants and thieves to your lair.
+ Complete tasks, master spells, brew potions.
Idle Merge Mashup
+ A unique system of resource management.
+ Resources generate even when you’re offline.
+ Months of fun!
From the makers of Idle Apocalypse and Idle Mastermind, NecroMerger has all the humour and inane chatter you’d expect of a Grumpy Rhino Game.
Apple App Store lookup ↗ · Store ratings, prices, and availability can change. Check the App Store for your region.
NecroMerger - Idle Merge Game is listed on the KR App Store. Availability varies by region and compatible device.
The recorded download price is free. In-app purchases, subscriptions, or additional content may cost extra. Source checked Nov 9, 2026.
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