Classic
26 600 RUR one-time payment
~$270Template design with your logo, all features, no updates included.
- •Launcher with template design and your server logo
- •Customization: links, buttons, news, server status and online
- •Admin patch packing tool
1 / 7
Swipe left/right to browse media.
Launcher example from one of the deployed server projects (variant 1)
L2 Updater / Launcher
NewSoftware suite for delivery and updating Lineage 2 game clients. Built in C++. Encrypted keys, delta patching and project domain binding.
Starting price
from 26,600 RUR
~$270Subscription, one-time pricing and conditions are listed in plans below.
Platform
Windows 7 and newer
File updates
delta patch, changed files only
Protection
encrypted keys and server authorization
No additional software requiredProject bindingProtection included
Plans and launch options
Choose the format for your project: quick start, annual updates, custom design, or source code.
Premium, annual subscription
36 600 RUR + 32 660 RUR/year
~$375 + ~$335/yrProject-tailored design with all features and version updates.
- •Everything from Classic plan
- •Multiple server connection support
- •Updates on every new release
- •Priority critical updates
Premium Plus
from 49 600 RUR + 19 260 RUR/year
~$500 + ~$197/yrFully custom launcher design for your project. Final quote after brief.
- •Everything from Premium plan
- •Custom UI/UX design implementation
- •Your own mockup or design from scratch
- •Support for the full plan term
Source code
Price on request
on requestSource code license with encrypted key generator included.
- •Launcher source code (C++)
- •Packer tool source code
- •Encrypted key generator
- •Architecture documentation
- •Implementation consultations
Description
L2 Updater is a software suite for delivering and updating Lineage 2 clients. It includes three components: a player launcher, an admin patch packing/publishing tool, and encrypted project key authorization. Built in C++ with no extra dependencies required on player machines.
Each launcher instance is bound to one project domain and cannot be used on another server. Encrypted key authorization protects against file replacement and unauthorized downloads from your distribution host. The game client stays on your infrastructure; the launcher handles synchronization only.
Delta update mode downloads only changed files after each patch. Transfer is chunk-based with resume support on interruption. Optional self-update mode allows launcher updates when new versions are released.
Demo and interfaces
Real screenshots and videos from production workflow: player launcher and admin packer.
L2 Updater launcher design example (variant 1)
Launcher example from one of the deployed server projects (variant 1)
L2 Updater launcher design example (variant 2)
Alternative launcher example from another server project (variant 2)
L2 Updater launcher design example (variant 3)
Another launcher example with news panel and start button
Launcher workflow video
Video: startup, integrity check and client update
Admin packer interface
Patch packing tool for administrators
Packer settings and project keys
Settings: keys, URLs and chunk options
Patch packer workflow video
Video: patch packing and publishing with packer
Specifications
- Development language
- C++
- Platform
- Windows 7 and newer
- Binding
- project domain (1 launcher - 1 server)
- File updates
- delta patch, changed files only
- Download mode
- chunked with resume support
- Archiving
- built-in
- Self-update
- optional
- Protection
- encrypted keys and server authorization
- Design
- template (customizable) or fully custom
- Documentation
- English and Russian
- Release date
- April 29, 2026
Included modules
Player launcher
Installed on player PCs. Validates and updates client files, then starts the game. Encrypted key authorization protects file integrity.
Patch packer tool (admin)
Desktop app for administrators. Packs client files, generates project keys and publishes patches to your distribution host.
Key generator (source-code plan only)
Included with source-code plan. Generates encrypted named keys for specific projects/domains.
Features
- - Built in C++ for native performance and low footprint
- - Encrypted-key authorization to protect against file replacement
- - Domain binding: launcher works for one project only
- - Chunked file downloads with resume
- - Delta patching for changed files only
- - Client archive support
- - Optional launcher self-update
- - Initial full client download from your server
- - Custom buttons/links (website, Discord, forum, VK, etc.)
- - Multi-language UI support
- - Template or fully custom design
Compatibility
Chronicles: Interlude (C6), High Five (H5), Gracia Final, Classic, Essence, all chronicles
Emulators: L2J, aCis, Mobius, L2Scripts, any Java emulator
OS: Windows 7+
Compatible with any Lineage 2 client and any HTTP/HTTPS file distribution server.
Customization
- - Project logo and title
- - Background image
- - Frame and UI color scheme
- - Buttons and links (site, forum, Discord, VK, etc.)
- - Patch source URL (your domain)
- - News block content
Fully custom design from your mockup or from scratch. Final cost is discussed separately.
FAQ
Does the launcher distribute the game client?
No. You host the client on your own distribution server. The launcher only downloads files and validates integrity.
Can one launcher be used on two servers?
No. Each launcher instance is bound to one project domain. Two servers require two separate orders.
What if I change my server domain?
With update plans, domain switch is handled by support. For one-time purchase, domain switch is not included.
What hosting is required for file distribution?
Any HTTP/HTTPS server works. A regular VPS is enough; bandwidth is the key factor.
How long does support last?
30 days for the Classic plan. Unlimited term for update and custom plans.