Comparison

Block Fortress vs Niffelheim

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Block Fortress

Engage in strategic real-time combat within a blocky sci-fi universe. Build defenses, command diverse alien armies, and lead heroes through a vast campaign or multiplayer battles.

Highlights
  • Block-building RTS gameplay
  • Five unique alien races
  • Dozens of customizable heroes
  • Extensive defense building
  • Massive planetary campaign
  • 1v1 and 2v2 multiplayer
Features
Read full description

Welcome to the Blockverse: an alternate and blocky dimension, home to a diverse collection of alien civilizations. These creatures have been waging war for eons, and now you can take control of an army and join the fray! FEATURES • Block-building meets real-time-strategy in an action-packed and tactical game. • Play as one of five races, each with their own unique troops, heroes, and blocks. • Choose to control one of over a dozen heroes, each with different strengths, weaknesses, weapons, and abilities. • Customize your army from a huge selection of equipment for each race. • Build elaborate and powerful defenses by placing blocks, turrets, bombs, and more. • Fight your way through a massive campaign on five different planets. • Battle your friends and climb the leaderboards in 1v1 or 2v2 multiplayer, powered by GameCenter.

About

Niffelheim

Embark on an immersive survival adventure in an open world inspired by Norse mythology. Craft weapons, build and defend your base against monster hordes, and explore dangerous dungeons for treasures. Forge your path to Valhalla in this offline RPG.

Highlights
  • Open world exploration
  • Crafting and blacksmithing
  • Base building and tower defense
  • Dungeon crawling
  • Monster combat
  • Resource gathering
  • Offline gameplay
Features
Read full description

Welcome to Niffelheim - an open world of Vikings filled with dangers and challenges. Prepare yourself for an immersive survival game with crafting and tower defense, mining, and base building mechanics, where your skills will be tested against horror monsters and black magic. Play an epic journey of exploration, mine into deep dungeons that hold both dangers and treasures. Niffelheim is an exceptional single-player 2D offline action RPG game without ads and in-apps purchases, with tower defense and crafts elements that will push your experience, shaping you into a true Norse mythic hero. Craftsman and blacksmith The rules of survival and craft games are pivotal in Nifelheim. Gather resources such as wood and ore to create weapons, bows and arrows, potions, and essential equipment to be good hunter of monster. Explore new drawings unlock magic and trade for an advantage in your fight for survival. Castle building and defense Build towers to create your castle, expand your base building, and reinforce walls to defend your kingdom against enemies attacks and skeletons hordes. Use various materials like wood and stone to create an impregnable fortress that defends you from Hell`s minions who like a zombies will atack your shelter. Adventure and dungeon Explore the dangerous world of survival RPG games, filled with adventures and horror. Enjoy fight against monsters, including undead and giants, trolls and yotuns, animals, and spiders - who will try to hinder your progress. Mine into dungeons to discover valuable last artifacts and chests, resources, and ores that help you craft the armor and weapons to fight against enemies and skeletons who like a zombie will atack your base. Reach to Valhalla Embark on a quest to collect the pieces of the portal leading to Asgard, unlocking the secrets of the gods' lands, rebirth the dragons. Overcome trials that test your sruvival and strength skills, confronting Death Priests and their undead minions. Travel through the Norse mythology underworld, exploring abandoned tombs and dungeons, completing NPC`s quests and reading the stories, fighting monsters and enemies, and seeking treasures and artifacts to aid you in your battle against the enemies of Asgard. Forge and craftman Equip yourself with powerful weapons and armor crafted in the workshops. Use resources found during gathering and exploration to create various types of equipment for hunting. Upgrade your gear to become stronger and better protected in battles against Hell`s minions. Dishes and mushrooms Food is crucial for survival in this Norse-themed role playing game. Collect mushrooms, berries, and other plant products to create dishes that boost your health. Test your luck and become a legendary Viking in the cold land of Niffelheim. Choose your path in this exciting sandbox game, where each day brings new challenges and adventures. Complete daily tasks and quests immerse yourself in an open world teeming with monsters, mysteries, and magic, and become a true hero. Prepare to fight for your life and protect your base from the dangers of this horror world. Good luck, in best Vikings simulator! Complete the final trial, prove your worth to the gods, and open the portal to Asgard. Become part of the epic legends that speak of the great Heroes of Valhalla. Niffelheim is an RPG where Viking sirvival depends on your skill and bravery. Build your kingdom, get resources, and craft the world. Explore dangerous dungeons, battle monsters, and Hell`s minions, unlock the secrets of magic and trading, and immerse yourself in the fantasy land of Vikings and land of God Hell. Pass all quests of NPC`s, collect all the pieces of the portal, open the door to Asgard city, and become a legend worthy of Valhalla. Lets don`t starve Vikings in this mythical survival game!

Screenshots

Block Fortress4 screens
Niffelheim4 screens

Verdict

The call

The clearest difference is in-app purchases: Niffelheim at none against Block Fortress's 5. Block Fortress's advantage is review sentiment (86% vs 60%) and update cadence (fortnightly vs every 5 weeks). On rating, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Block Fortress costs $1.99 and Niffelheim $4.99 up front. Block Fortress sells 5 one-off in-app purchases. Niffelheim asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Block Fortress against 4.6 for Niffelheim. Both are backed by a comparable volume of ratings — 371 and 89 respectively. Written reviews are what separate them: 86% of Block Fortress's written reviews are positive against 60% of Niffelheim's.

UpkeepUpdate frequency

Block Fortress ships an update fortnightly, Niffelheim every 5 weeks. Both last shipped on October 17, 2026.

Scorecard7 real differences · 3 level
Block Fortress versus Niffelheim: the parameters behind the verdict, then further details
ParameterBlock FortressNiffelheim
Price$1.99 — better$4.99
Rating4.7 (371 ratings) — better4.6 (89 ratings)
Positive reviews86.5% of reviews — better60.3% of reviews
Number of ratings371 — better89
Update frequencyFortnightly — betterEvery 5 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better13.0
Further details — not scored
Size430 MB348 MB
Age rating12+12+
DeveloperFoursaken MediaEllada Games LLC

Customer experience

Block Fortress

All ratings371 ratings
Positive91.6%
Neutral3.0%
Negative5.4%
Written reviews340 reviews
Positive86.5%
Neutral5.6%
Negative7.9%

Niffelheim

All ratings89 ratings
Positive91.0%
Neutral2.2%
Negative6.7%
Written reviews68 reviews
Positive60.3%
Neutral11.8%
Negative27.9%

Bugs and requests

Block Fortress

Reported bugs

4 issues
  • Achievements not working properly
  • iPad window alignment issues
  • Building GUI glitches during battles
  • Inability to place certain blocks

Requested features

6 requests
  • New races, planets, and gameplay modes
  • Level editor and custom map creation
  • Expanded multiplayer options and features
  • Sandbox mode with unlimited resources
  • Ability to upgrade and customize units
Show 1 more
  • Difficulty options and balancing improvements

Niffelheim

Not enough reviews yet to summarise bugs or requests.

In-app purchases

5 purchases

Block Fortress

One-time5
  • Small Shipment$0.99
  • Medium Shipment$1.99
  • Large Shipment$2.99
Show 2 more
  • Huge Shipment$5.99
  • Planetary Shipment$9.99
None

Niffelheim

No in-app purchases

Questions

Is Block Fortress free?
Block Fortress costs $1.99, and also offers in-app purchases.
Is Niffelheim free?
Niffelheim costs $4.99, with no in-app purchases.
Which has better reviews, Block Fortress or Niffelheim?
Block Fortress is rated higher. Block Fortress averages 4.7 out of 5 from 371 ratings, while Niffelheim averages 4.6 from 89 ratings.
Do Block Fortress or Niffelheim have ads?
Neither Block Fortress nor Niffelheim shows ads.
Which is updated more often, Block Fortress or Niffelheim?
Block Fortress ships an update fortnightly, and Niffelheim every 5 weeks. Most recently, Block Fortress was updated on October 17, 2026 and Niffelheim on October 17, 2026.

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