Largosoft

What Largosoft does

Largosoft (주식회사 라르고소프트) is a privately held Korean company headquartered in Gangnam-gu, Seoul, that develops and licenses a proprietary game-security SDK under the brand G-Presto. Founded in 2014 by a team with prior experience in financial-sector app security, the company focuses narrowly on protecting PC and mobile games from hacking, debugging, app tampering, memory and speed hacks, payment fraud, and exploitation, with cross-platform coverage (Android, iOS, PC) and broad compatibility with major domestic and international game engines. The product is delivered as an embeddable SDK that integrates into client mobile applications, paired with a web service (largosoft.com) providing member-company account management, hacking-statistics analytics, and dashboards; the company also operates real-time global hacking-site monitoring to feed its threat intelligence.

The company sells on a B2B subscription basis with both free and paid tiers (per the published terms of service) and reaches customers through a direct, consultative sales motion anchored by its multilingual corporate website (Korean, English, Traditional Chinese). Its primary customer segment is game development studios — the company lists 21 named partners including large Korean and international publishers (Wemade, Wemade Play, Joycity, Garena, Playwith) alongside mid-market and indie studios (Cheritz, Natris, Thumbage, BluePotion Games, Daerisoft, Sevenline Labs, Epid Games, Miracle Play, ARUM GAMES, ZTQ Games, Sling&Stone, END9 GAMES, and others) — and it also offers H-Presto, a parallel product for general (non-game) mobile app security. The organization remains very lean (1-10 employees) with no disclosed institutional funding, indicating a bootstrapped operating model.

Name

Largosoft

Legal name

주식회사 라르고소프트

Website

https://largosoft.co.kr

Company type

Private

Founded year

2014

Operating status

Operating

Headcount range

1–10 employees

Short description

Largosoft (라르고소프트) is a Korean B2B security SDK provider offering G-Presto for PC and mobile game protection and H-Presto for general app security, serving 21+ named game studios including Wemade and Garena on a freemium subscription model.

Ownership category

akta.pro rank

Product category

Game Security Software (Mobile/PC Anti-Cheat SDK)

NAICS

Software Publishers (5132)

SIC

Services-Prepackaged Software (7372)

akta.pro primary industry

Security, Anti-Cheat, DRM & Integrity Tools (MPAFAFAN)

akta.pro secondary industries

SDKs, APIs & Platform Integration Tools (Console/Store/Identity) (MPAFAFAJ), Testing, Automation, Crash Reporting & Telemetry SDKs (MPAFAFAM), Trust, Safety & Anti-Fraud Operations (Toxicity, Account Security, Chargebacks) (MPAFAKAE)

Keywords

• Mobile game security
• Anti-cheat SDK
• App tampering protection
• Hacking detection tools
• Game security engine

Headquarters

HQ city

Seoul

HQ country

South Korea

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B

Offering type

Software

Cost components

Technology or R&D, Personnel, Operations, Infrastructure, Marketing or Sales

Revenue model

1. G-Presto SDK Service (SaaS/SDK): Largosoft provides the G-Presto SDK as a service to game studios. Member companies integrate the G-Presto SDK into their mobile applications and gain access to company/account management, hacking statistics analysis, and analytics tools. The service is provided under a subscription model as evidenced by the terms of service referencing 'company and account management' features and periodic service use. The terms indicate free and paid versions (free version has reduced usage terms). The SDK is proprietary and licensed to member companies for use within their applications.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

Largosoft develops and licenses the G-Presto game security SDK, a proprietary engine that game studios integrate into their PC and mobile titles to defend against hacking, illegal programs, debugging, app tampering, memory modification, speed hacks, and payment fraud. The company also provides H-Presto, an SDK targeting general (non-game) mobile application security. Services are delivered as embedded SDKs under subscription terms to member companies (game studios and app developers), supplemented by a web portal for account management, hacking statistics, and analytics.

Product overview

Largosoft is a game security-focused company offering two main products: G-Presto, a comprehensive game security solution for both PC and mobile platforms that defends against hacking, illegal programs, debugging tools, and app tampering; and H-Presto, a general app security solution for non-game applications. The company developed its own proprietary security engine (G-PRESTO) that is lightweight and optimized. G-Presto includes features such as debugging prevention, hacking tool detection, app tampering prevention, statistical analysis, and an automatic application system.

Differentiator

Problem solved

Functional benefit

Brands

• G-Presto: Game security solution for PC and mobile platforms that defends against hacking and illegal program use.
• H-Presto

Products and services

• G-Presto Game security SDK for PC and mobile platforms that protects games from hacking, illegal programs, debugging tools, and app tampering. Includes debugging prevention, hacking tool detection, app tampering detection and prevention, statistical analysis of hacking attempts, and an auto-application system. Distributed as an SDK integrated into client mobile applications under a subscription service agreement to member game studios.
• H-Presto General (non-game) mobile app security SDK optimized for non-gaming applications, providing protection against security threats in standard mobile applications.

Quantifiable outcome

• 5% hacking attempt rate on G-PRESTO protected games (Q4 2024 data)
• +1 more outcomes

Named customers21 records

Segments2 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

21 partnerships are on record, tiered major.

• Wemade (위메이드)majorStrategic or Co-development PartnerWemade is one of Korea's leading game development companies and one of Largosoft's major partners. Largosoft provides its G-Presto game security solution to protect Wemade's game portfolio.
• Wemade Play (위메이드플레이)majorStrategic or Co-development PartnerWemade Play is a subsidiary/platform of Wemade, and is listed as a major partner of Largosoft for game security services.
• Sevenline Labs (세븐라인랩스)majorStrategic or Co-development PartnerSevenline Labs is a Korean game studio listed as a major partner using Largosoft's G-Presto security solution.
• BluePotion Games (블루포션게임즈)majorStrategic or Co-development PartnerBluePotion Games is a Korean game developer listed as a major partner using Largosoft's game security solutions.
• Daerisoft (다에리소프트)majorStrategic or Co-development PartnerDaerisoft is a Korean game studio listed as a major partner of Largosoft.
• Joycity (조이시티)majorStrategic or Co-development PartnerJoycity is a Korean game publisher listed as a major partner using Largosoft's G-Presto.
• Haegin (해긴)majorStrategic or Co-development PartnerHaegin is a Korean game developer listed as a major partner of Largosoft.
• Thumbage (썸에이지)majorStrategic or Co-development PartnerThumbage is a Korean game studio listed as a major partner using Largosoft's security solutions.
• Natris (나트리스)majorStrategic or Co-development PartnerNatris is a Korean game developer listed as a major partner of Largosoft.
• Miracle Play (미라클 플레이)majorStrategic or Co-development PartnerMiracle Play is a Korean game studio listed as a major partner of Largosoft.
• Epid Games (에피드게임즈)majorStrategic or Co-development PartnerEpid Games is a Korean game developer listed as a major partner of Largosoft.
• Playwith (플레이위드)majorStrategic or Co-development PartnerPlaywith is a Korean game publisher listed as a major partner using Largosoft's game security.
• Act GamesmajorStrategic or Co-development PartnerAct Games is an international game developer listed as a major partner of Largosoft.
• ARUM GAMESmajorStrategic or Co-development PartnerARUM GAMES is an international game developer listed as a major partner of Largosoft.
• Cheritz (처릿즈)majorStrategic or Co-development PartnerCheritz is a Korean indie game developer (known for 'Danganronpa' style visual novels) listed as a major partner of Largosoft.
• Game OnmajorStrategic or Co-development PartnerGame On is an international game developer listed as a major partner of Largosoft.
• Garena (가레나)majorStrategic or Co-development PartnerGarena is a major international game publisher (Southeast Asia and beyond) listed as a major partner of Largosoft, indicating Largosoft's reach beyond the Korean market.
• Nitro X (니트로엑스)majorStrategic or Co-development PartnerNitro X is a game developer listed as a major partner of Largosoft.
• ZTQ GamesmajorStrategic or Co-development PartnerZTQ Games is an international game developer listed as a major partner of Largosoft.
• Sling&StonemajorStrategic or Co-development PartnerSling&Stone is an international game developer listed as a major partner of Largosoft.
• END9 GAMESmajorStrategic or Co-development PartnerEND9 GAMES is a game developer listed as a major partner of Largosoft.

Scale indicators4 records

Recent moves6 records

Expansion highlights4 records

Others

• Valve (VAC - Valve Anti-Cheat): Valve's proprietary anti-cheat built into Steam and Source/Source 2 games. Thematically comparable as a game anti-cheat system, but not a commercial SDK and not directly available to third-party studios, so it influences market expectations rather than competing for Largosoft's customers directly.

Broad incumbents

• Epic Games (Easy Anti-Cheat): Epic-owned, widely deployed anti-cheat solution used across hundreds of PC and console titles. Comparable because it directly competes with G-Presto in game security and anti-tamper, but as a free/bundled offering inside Epic's broader Unreal and publishing ecosystem rather than a standalone paid SDK.
• Tencent Protect / ACE (Tencent): Tencent's portfolio of game security products (Anti-Cheat Expert, Tencent Protect) deployed across WeGame and Tencent-published titles. Comparable in anti-cheat/anti-tamper functionality but as part of a much larger platform and publisher ecosystem rather than a standalone SDK business.
• Unity Anti-Cheat (Unity): Unity's engine-level anti-cheat solution sold as part of its game development platform. Comparable because it competes with G-Presto for mobile game security budgets, but reaches customers through Unity's engine ecosystem rather than direct SDK sales.

Direct peers

• Denuvo (Irdeto): Game-focused anti-tamper and DRM solution owned by Irdeto, used by AAA publishers (EA, Ubisoft, Square Enix). Comparable because it addresses the same tampering/piracy problem G-Presto solves, via SDK integration into game binaries, with a B2B license model.
• BattlEye Innovations: Independent anti-cheat provider integrated into major PC titles (PUBG, Rainbow Six, Arma). Comparable to Largosoft as a dedicated game anti-cheat/security vendor selling to game studios, with similar SDK-style integration and analytic reporting on cheating behavior.
• nProtect / INCA Internet (GameGuard): Korean-origin game security vendor whose GameGuard product is one of the most widely deployed anti-cheat clients in Asian MMOs. Directly comparable to Largosoft as a Korea-headquartered competitor offering SDK-integrated game security with similar target customers.
• Wellbia (Xigncode): Korean game-security vendor whose Xigncode product is used by major Korean and Asian publishers (e.g., NCSoft, Smilegate). Closely comparable to Largosoft in geography, product (anti-cheat SDK for online games), and customer segment (Korean + Asian publishers).
• FairGuard: China-based mobile game security vendor providing anti-cheat, anti-tamper and anti-plugin SDKs to Chinese and SE-Asian mobile game publishers. Direct comparable in product (mobile game security SDK), target customers (regional game studios), and Asia-centric go-to-market.

Emerging players

• Overwolf / GameRefinery: Gaming-infrastructure platform providing apps, mods and analytics layers to game publishers. Comparable as an adjacent ecosystem participant enabling game publishers with developer tooling and analytics, overlapping with some of Largosoft's telemetry and analytics value proposition.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks5 records

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Largosoft