Bouncy Ball Remastered icon
Grow Castle! icon
Stickman and gun icon
+1

YONG OK PARK

For casual and mid-core mobile gamers who favor incremental progression, strategy-based defense mechanics, and classic arcade-style gameplay.

Known forGrow Castle!
4apps4.3(913.2K)Games

Snapshot

Who is YONG OK PARK?

Delivering accessible 2D arcade and tower defense experiences for casual mobile gamers. Focused on high-replayability mechanics.

Target audience

CasualMid-core mobile gamers who favor incremental progressionStrategy-based defense mechanics

Active nemesis

Ranker

Other rivals

Portfolio

Free 4
4
apps
Games4

Last updated

Grow Castle!

v1.50.14

10mo ago

Steady

Publisher DNA

What defines YONG OK PARK?

Publisher DNA

Primary focus

2D arcade and tower defense games

Scale

indie

Target audience

Casual and mid-core mobile gamers who favor incremental progression, strategy-based defense mechanics, and classic arcade-style gameplay.

Signature Patterns

  • •Consistent use of 2D side-scrolling or tower defense mechanics
  • •Emphasis on incremental progression and character upgrade systems
  • •Freemium monetization model with a focus on in-app purchases for boosts
  • •Targeting of casual-to-midcore audiences through accessible arcade gameplay
Steady

Portfolio momentum

Released 3 updates across 4 apps in the last 6 months, indicating a steady maintenance cycle for their existing library.

Last release 104d agoActive apps 4

Portfolio

What does YONG OK PARK ship?

Apps

4 apps analysed

Grow Castle! icon
Grow Castle!

Build your own castle! Great addictive tower defense game.

4.3(472K)

Hero promotion mechanics drive high-intensity daily session frequency

  • Online guild system creates social network effects that reduce long-term churn

Tightly focused on 2 markets (South Korea, United States).

Based on 1 of 4 apps with localized market data, more coverage rolling in as scans complete · last scanned .

Americas (1)

  • United States1 / 1

Asia-Pacific (1)

  • South Korea1 / 1

Core markets (1/1 apps)

South KoreaUnited States

Rivals

Who does YONG OK PARK compete with?

The rivals identified

Nemeses(1)

Ranker

known forKingdom Wars - Tower Defense

1 app4.2Games

Both titles target the tower defense strategy audience, competing for player time-share through overlapping core mechanics like unit management and resource allocation.

Contenders(10)

Animoca Brands

known forCrazy Defense Heroes: RPG TD

1 app4.8Games

Both apps target the tower defense strategy audience by combining persistent progression mechanics with social guild or clan structures.

BYTEGHOUL GAMES

known forGrim Defender: Castle Defense

1 app4.3Games

Both titles target the tower defense audience through castle management and progression loops, forcing players to choose between Grow Castle!'s social guild structure and Grim Defender's active-tap combat mechanics.

Century Games Innovation Pte

known forLordrush

1 app4.5Games

Both titles target the tower defense strategy audience by centering gameplay on hero recruitment and defensive structure management. They compete directly for player time through overlapping mechanics of resource collection and wave-based combat.

Jongha Back

known forHERO WARS Defense

1 app4.6Games

Both titles target the tower defense category with hero-centric progression loops, competing for the same strategy-focused player base.

OVIVO Games

known forHero Castle War: Tower Attack

1 app4.6Games

Both apps target the tower defense and strategy audience through progression-based combat loops that rely on hero and character evolution mechanics.

pokoko Studio

known forArcher Heroes: Tower Defense

1 app4.6Games

Both apps target the tower defense audience, but Archer Heroes shifts the core loop from passive management to active, skill-based hero combat.

STORMX

known forIdle Kingdom Defense

1 app4.5Games

Both titles target the tower defense strategy audience with hero-based progression and freemium monetization, creating direct competition for player time and engagement.

TERAHYPE - AR, GPS & Fantasy RPG + Casual Games

known forBoom Castle: Tower Defense TD

1 app4.3Games

Both apps target the tower defense strategy audience by utilizing idle progression loops and hero-based defense mechanics to maintain player engagement.

ZERAUS DEVS LTDA

known forGrow Empire: Rome

1 app4.6Games

Both apps target the tower defense strategy audience with progression-heavy loops, competing for the same time-investment from players who value long-term empire or castle building.

Zygle Games

known forBattle Strategy: Tower Defense

1 app4.3Games

Both apps target the tower defense audience by requiring base protection and weapon upgrades to progress through levels.

Same space(10)

Boss Fish

known forHero Defense: Zombie War

1 app4.6Games

Hero Defense: Zombie War targets the same casual tower defense demographic with a focus on mass-enemy combat and one-hand controls.

Century Games Pte

known forKingshot

1 app4.3Games

Kingshot shares the strategy-gaming audience but focuses on idle survivor role allocation rather than the hero-promotion loop of Grow Castle.

FUNFLY PTE

known forLast War:Survival

1 app4.6Games

Last War:Survival competes for the same strategy-focused player base by replacing static tower defense with a lane-based combat loop.

GameCoaster

known forDungeon Defense : The Gate

1 app4.8Games

Dungeon Defense: The Gate serves the same strategy audience with a retro-styled, solo-developed dungeon-crawling tower defense experience.

HandyGames

known forTownsmen - Medieval Strategy

1 app4.3Games

Townsmen offers a non-violent alternative for strategy gamers who prefer complex production chains over tower defense combat.

ONDI TECHNOLOGY JSC

known forKingdom War: Tower Defense TD

1 app3.9Games

Kingdom War: Tower Defense TD shares the fantasy-themed tower defense and RPG-lite progression space.

Springcomes Co.

known forAnt Hero : Defense Idle RPG

1 appGames

Ant Hero targets the same tower defense idle audience by combining ant-themed castle defense with mercenary recruitment.

Swell Games

known forIdle Hero TD Tower Defense RPG

1 app4.7Games

Idle Hero TD shares the tower defense RPG genre but differentiates by removing time-gated progression through infinite offline rewards.

Voodoo

known forCastle Raid!

1 app4.3Games

Castle Raid! targets the same casual arcade audience but uses an interactive grass-cutting mechanic instead of hero-based tower defense.

肖见 陈

known forCastle Battle - New TD Game

1 app4.7Games

Castle Battle targets the same casual tower defense demographic, though it relies on legacy talent academy mechanics.

The Analyst's Read

The bottom line on YONG OK PARK

Bottom line

This publisher operates as a stable indie studio with a clear focus on classic 2D mechanics and long-tail engagement. Their ability to maintain a consistent, high-rated portfolio over several years demonstrates a strong understanding of their core audience's preferences.

Frequently asked questions

How many apps does YONG OK PARK publish?
YONG OK PARK has 4 apps tracked by Marlvel, primarily in the Games category.
What kind of apps does YONG OK PARK make?
YONG OK PARK's portfolio is concentrated in Games, with an average rating of 4.3/5 across rated apps.
What is YONG OK PARK's top app?
By review volume across the portfolio, Grow Castle! is YONG OK PARK's best-known app tracked by Marlvel.
In how many countries are YONG OK PARK's apps available?
Marlvel has tracked YONG OK PARK's apps across 2 countries.

What fed this analysis

Apps analyzed:
4
With full intel:
1
With overview:
4
Website scraped:
yes
Social presence:
no

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by YONG OK PARK, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “YONG OK PARK intelligence.” Updated 2026-05-07. https://marlvel.ai/publishers/yong-ok-park

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Data licensed under CC-BY-NC 4.0