Days Bygone: Castle Defense official icon

Days Bygone: Castle Defense

By Frivolition · iPhone · iPad

4.8 (2.5K)12+FreeAvailable now

Defend against the enemy attack! Day by day, the enemies just keep on coming, tougher as the days go by. Can you survive? Upgrade your defenses, discover new weapons, recruit new heroes to help grow your castle in this endless defense of life and death! -> Endless defense! Infinite levels with endless waves mean endless fun & non-stop action! Day 1

US
TAKE A LOOK AROUND

Inside the game.

Official screenshots supplied through Apple. Artwork belongs to the respective developer. Download on theApp Store ↗

FIND YOUR KIND OF PLAY

Before you play.

Game style
Action · Strategy
Platforms
iPhone · iPad
Languages
EN
Download size
256 MB (store snapshot)

Check the official page for current availability, supported devices and any in-game purchases.

ANSWERS FOR YOUR FIRST SESSION

Days Bygone: Castle Defense gameplay guide and player questions

App Store edition · Researched Nov 9, 2026 · Guide updated Nov 9, 2026.

Source facts

What is the primary objective during a session of Days Bygone?

Your main goal is to defend your castle against waves of enemies that grow increasingly difficult over time. You must survive these endless attacks by upgrading your defenses and recruiting heroes to help you hold your ground.

Based on source 1.

Our guidance

How should I approach growing my castle's strength?

You should focus on accumulating Gold and Elixir during your sessions. These resources are essential for upgrading your stats, spells, and skills, which allows you to strengthen your castle and better prepare for the tougher waves ahead.

Based on source 1.

Source facts

What distinguishes the Dungeon Defense mode from the main game?

While the main game focuses on surviving endless waves, the Dungeon Defense mode is a specific gamemode you can enter. The primary purpose of participating in this mode is to obtain Keys for your progression.

Based on source 1.

Our guidance

How can I continue to progress when I am not actively playing?

The game features an idle defender mechanic that allows you to earn gains while you take a break. Progress is consistently made both when you are online and offline, ensuring your castle continues to grow even when you are away.

Based on source 1.

Source facts

What is the purpose of going on Expeditions?

You should participate in the Epic Adventures mode by going on Expeditions. The primary goal of these missions is to uncover Fossils, which are valuable resources that contribute to your overall progression and castle development.

Based on source 1.

Source facts

How many different heroes can I summon to assist in my defense?

You have access to a wide variety of allies to help you hold your ground. There are over 20 unique and loyal heroes available for you to summon, each contributing to the strength and defense of your castle.

Based on source 1.

Source facts

What variety of spells can I utilize during combat?

To help fend off the endless waves of enemies, you can utilize a diverse arsenal of magical abilities. There are over 15 devastating spells available for you to discover and use to protect your castle from incoming threats.

Based on source 1.

Source facts

How many unique weapons can I find to improve my combat effectiveness?

As you progress through the infinite levels, you can discover and equip a wide range of gear. There are over 20 unique weapons available to find, which are essential for increasing your damage output against increasingly tough enemies.

Based on source 1.

Our guidance

How should I manage my upgrades to ensure long-term success?

Strategy is key when managing your growth. You should focus on balancing your investments across the eight unique stat upgrades, numerous spells, and over 25 unique skills to ensure your castle remains capable of surviving the endless waves.

Based on source 1.

Source facts

Are there limited-time events I should look out for?

Yes, the game periodically features special events to enhance your experience. For example, the Halloween Event returns annually between October 29 and November 9, offering players unique opportunities and content within the game's established defense framework.

Based on source 1.

Sources & scope

  1. Publisher description on the US App Store ↗Checked Nov 9, 2026

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.

FIND YOUR FIT

Is this your kind of game?

  • Explore action / strategy gameplay

Based on listed game features. This is not a firsthand review. Check the publisher’s listing ↗

Before your first session

  • Check that your Apple device runs iOS 15.0 or later.

What’s new in 2.10.1.

- Halloween Event Returns 29 Oct - 9 Nov!
- Bugfixes and improvements

Release notes supplied by the developer through the App Store.

UPDATES, VIDEOS & PLAYER PERSPECTIVES

A little more before you play.

Watch gameplay & guides

YouTube · Checked Nov 7, 2026. Open a video on YouTube to watch.

No matching gameplay videos were found in this search sample.

YouTube search matches for the game title and gameplay. Videos are from their credited creators; inclusion is not an endorsement or an official-channel verification.

About Days Bygone: Castle Defense

Developer description, as provided in the original store listing.

Defend against the enemy attack! Day by day, the enemies just keep on coming, tougher as the days go by. Can you survive? Upgrade your defenses, discover new weapons, recruit new heroes to help grow your castle in this endless defense of life and death!

-> Endless defense!
Infinite levels with endless waves mean endless fun & non-stop action! Day 1? Day 10? Day 100? Day 1000? No problem! Fend off the endless waves!

-> Grow your castle!
Accumulate Gold and Elixir in order to grow your castle! Endless amounts of stats, spells, and skills to upgrade! The possibilities are endless, strategy is key.

-> Idle defender!
Idle/Offline gains whenever you take a break! Progress is made in and out of the game! Online? Offline? No problem!

-> Rich In Content!
* 8+ Unique STAT Upgrades!
* 15+ Devastating SPELLS!
* 20+ Unique WEAPON to Discover!
* 20+ Loyal HEROES to Summon!
* 25+ Unique SKILLS to Uncover!

-> Fun-filled Gamemodes!
* Dungeon Defense - Enter the Dungeon to obtain Keys!
* Epic Adventures - Go on Expeditions to uncover Fossils!

The easy days are gone. Do whatever it takes to survive and fight the endless waves before days gone! What are you waiting for? Don't keep the defender waiting!

Good to know.

Developer
Frivolition
Release date
Oct 3, 2019
Latest version
2.10.1
Requires
iOS 15.0 or later
Price snapshot
Free USD
Source checked
Nov 9, 2026

Apple App Store lookup ↗ · Store ratings, prices, and availability can change. Check the App Store for your region.

A few quick answers.

Is Days Bygone: Castle Defense available on iPhone?

Days Bygone: Castle Defense is listed on the US App Store. Availability varies by region and compatible device.

Is Days Bygone: Castle Defense free?

The recorded download price is free. In-app purchases, subscriptions, or additional content may cost extra. Source checked Nov 9, 2026.

How is the game’s social activity measured?

Good Game Daily compares available samples of recent game mentions with the preceding 24-hour window. Coverage and source failures are disclosed. Read the methodology.

FROM THE COMMUNITY

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