Got the end-of-summer blues? We have something to cheer you up: the Fab September Flash Sale is here. Get up to 70% off thousands of Fab assets, environments, materials, Blueprints, and more—you’ve got until 5 PM ET on September 11 to grab some bargains.

Check out a selection of our top picks below, then head over to Fab to explore the full sale.

Modern Civilians - Sidekick Modular Characters by Synty | Synty Studios

Designed for use with the free Sidekick Modular Character Creator Tool Plugin, this Sidekick content pack puts a wide variety of vibrant, everyday people at your fingertips. Fill your game world with modern civilian characters by combining over 160 new parts—including clothing, hair styles, backpacks, accessories—and over 90 human species base parts.

Get 70% off in the Fab September Flash Sale.

Medieval Castle Megapack | Barrel Bark Interactive

Step back in time to this rich medieval environment featuring extensive exterior areas and multiple detailed interior spaces fully optimized for games and cinematics. Designed for flexible layout creation and fast world building, the pack contains over 740 unique meshes and supports easy and efficient set dressing using Level Instances and Blueprints.

Get 70% off in the Fab September Flash Sale.

PCG Scatter System - Base Scatter | Rbnks

UE5’s Procedural Content Generation framework (PCG) is great for procedural world building. And Base Scatter makes it even faster and easier to populate your environment with PCG using six specialized scatter tools. Instead of placing every single rock, plant, or prop by hand, you define parameters such as density, scale variation, and terrain influences, and the system handles the rest.

Get 30% off in the Fab September Flash Sale.

Ruins - Polyart Environment | PolyArt3D

Get your explorer gear on, you’re about to unearth the secrets of a forgotten era deep within the forest. This beautifully crafted stylized low-poly 3D environment kit contains everything you need to build a lost overgrown civilization, complete with abandoned stone sanctuary, lush vegetation, broken walls, ancient statues, overgrown arches, and scattered ruins.

Get 70% off in the Fab September Flash Sale.

Generic Combat System | YuewuDev

Looking for a fight? The Generic Combat System’s got you covered. Built on top of Generic Gameplay Abilities (GAS/GGA) and Generic Input Systems (GIPS)—both by the same creator and included in this package—the advanced multiplayer combat system framework uses Soulslike games as reference but is suitable for most types of combat games. Let battle commence!

Get 50% off in the Fab September Flash Sale.

Old Windmills Modular | LAYA DESIGN

These peaceful old windmills set in an idyllic countryside environment are enough to put you in your happy place. The package includes a fully built optimized showcase level, including a modular windmill with rotating sails. Material instances mean you can quickly adjust colors, textures, and details to meet your needs.

Get 30% off in the Fab September Flash Sale.

Survival RPG Engine | Mongo Games

Whether you’re creating a single-player, multiplayer, co-op, MMO, or open world survival game, the Survival RPG Engine contains everything you need to dive straight into development without spending time on foundational systems. Designed for performance and adaptability and complete with streamlined assets, data-driven systems, and comprehensive documentation, this robust framework will have your game ready to play in no time.

Get 70% off in the Fab September Flash Sale.

Flood Land Shanty Town | Dirtrock

Step into a world of rust, grit, and survival with this Unreal Engine asset pack designed for building sprawling floating settlements. Crafted from scavenged wood, corroded metal, and salvaged machinery, this modular kit gives you everything you need to construct a living, breathing shanty town where modern-day pirates, wanderers, and nomads gather to trade, drink, and tell their stories.

Get 50% off in the Fab September Flash Sale.