5000+个常用音频文件。这个是2017年5月的最新更新版本1.4。
因为文件太多，unitypackage的导入时间极长，所以我多上传了一个zip包，里面是已经解开的声音资源。不需要重新导入Unity了。
5000+ sound effects with free future updates!
Multi-purpose high quality sound effects library containing THOUSANDS of sound effects ultimately suitable for any game genre.

Full SFX Listing (PDF)
Price increases over time as quality and game genre coverage improves: Current price: $40
Affordable royalty free sound effects for commercial games and for rapid prototyping of new ideas.
Universal Sound FX 1.4Current version (1.4) contains 5018 categorized 16 bit 44.1kHz WAV files (stereo and mono depending on suitability). Sounds are game-ready and have been optimized in length to reduce size of game distributions. The sounds are free of clipping, always start/end at volume 0 to avoid any clicks or        pops, and looping sounds are seamless. Each sound is named appropriately and also has asset labels to allow quick search within Unity. 

PathFinder is an easy to use and fast A* path-finding solution. It auto-generates navigational grids and support environments of any type.

The source code are available in JS and C#. The package comes with example sc ripts, ready to be adapted to any game implementation.

Demo 1 (Blocks) 
Demo 2 (Terrain) 

Visit this page for more information. 
Please note that PathFinder doesnt support multi-level scene and dynamic obstacle (auto real-time grid update)s

unity好玩的创意圆球冒险游戏《Impossible Circle》源码(2017.8月最新版)，简约风格界面，极具创意的一款游戏，控制小圆避开所有障碍，支持多平台！

Unity上最有名的fps项目。

UFPS is a professional FPS base platform for Unity. One of the longest-running and most popular titles of the Unity Asset Store, it’s known for smooth controls and fluid, realtime-generated camera and weapon motion. Since 2012 it has been steadily expanded, supported and refactored with a focus on robust, generic FPS features.

Scroll down for Features

• Physics based animations for smooth gunplay and awesome camera shakes
• Mouse smoothing & acceleration: No more jerky input!
• Native Oculus VR support!
• Full Body Awareness with Mecanim-animated player bodies and ragdolls
• Hand Grenades and updated Explosion system with Cover support
• Pain HUD with directional damage indicator and blood spatter
• Earthquakes, shockwaves, boss stomping, camera impacts!
• Inventory & Item Pickup system
• Advanced Surface System allows for dynamic spawning of effects
• Spawnpoint system with smart obstruction detection
... ...

unity格斗游戏引擎Universal Fighting Engine (SOURCE) 1.8.5
注意：这个版本需要Unity2017.3.0
2018年2月最新版的Universal Fighting Engine (SOURCE) 一个格斗游戏的完整源码工程。帮助你实现一个2.5D的格斗游戏项目。
Universal Fighting Engine (or   U.F.E.) is a toolkit designed to help you develop your own 2.5D fighting game, using a highly customizable open source fr amework and easy to use visual editors. No coding knowledge is necessary. For more information, visit our official Unity thread.
*Demo*
Feature Spotlight:
- Robust Move and Character editors
- A.I. Support
- Story Mode
- Precision HitBoxes
- Mecanim and Legacy Animation Support
- Combo system
- Support for Throw/Grappling moves 
- Custom Input Manager
- Cinematic move editor
- Easy to use UI Tools
- Mobile Controls (requires Control Freak)
- Compatible with cInput and Rewired
- Customizable GUI sc ripts
- Supports custom coding and events
- Easy 3rd party implementations
- Over 150 animations included
- 3 ready to use characters
- Several free to use sound and music assets

高品质的2D墓地资源包，用于制作2D平台游戏、跑酷游戏等。2017年5月的最新版本。

Requires Unity 5.2.1 or      higher.

Making a platformer? 
This asset is now part of a Joint Venture with More Mountains and their Corgi Engine. Learn more and get the Corgi Engine + Handcrafted Art - 2D Platformer Mega Bundle, which includes the original Corgi Engine and 7 of our handcrafted art packages. 
High-quality graveyard and cemetery assets.
Perfect for 2D games such as platforms, shooter or      endless runners. With 100+ sprites of platforms, addons, backgrounds, it's perfect to create a lot of varieties! 
Package contains: 
- 20 Graves / Tombs 
- 6 Platform elements 
- 5 Statues 
- 11 Skeletons / Skulls 
- 27 Grass / Trees / Plants 
- 33 Fences / Gates 
- 6 Bats 
- 5 Stones 
- 4 Crows 
- 1 Skull moon 

23个野生动物模型，带移动、攻击、进食等各种动画。这个的版本是Version: 1.14 (Jun 29, 2017)
Requires Unity 3.5.6 or    higher.
This pack gathers all the PROTOFACTOR's animals currently created (23 animals!): bear, boar, chicken, cow, crow, duck, elephant, fox, golden eagle, great horned owl, goat, hog, pigeon, rabbit, seagull, sheep, sparrow, stag, wolf, elephant, rhinoceros, zebra, lion and lioness. Models are between 650 to 4316 tris and come with diffuse, specular and normals textures. From 6 to 22 animations are included per model. 

Universal Fighting Engine (SOURCE) 一个格斗游戏的完整源码工程。帮助你实现一个2.5D的格斗游戏项目。
Requires Unity 5.6.0 or        higher.

Universal Fighting Engine (or        U.F.E.) is a toolkit designed to help you develop your own 2.5D fighting game, using a highly customizable open source fr amework and easy to use visual editors. No coding knowledge is necessary. For more information, visit our official Unity thread.

Feature Spotlight:
- Robust Move and Character editors
- A.I. Support
- Story Mode
- Precision HitBoxes
- Mecanim and Legacy Animation Support
- Combo system
- Support for Throw/Grappling moves 
- Custom Input Manager
- Cinematic move editor
- Easy to use UI Tools
- Mobile Controls (requires Control Freak)
- Compatible with cInput
- Customizable GUI sc ripts
- Supports custom coding and events
- Easy 3rd party implementations
- Over 150 animations included
- 3 ready to use characters

- Several free to use sound and music assets

资源已修复 2017.12.2

很不错的69个魔法例子效果，可以自行编辑。

这个包里包含了22种真实火焰粒子效果。并针对移动设备进行了优化。

A collection of a total of 22 realistic fire particle systems, ready to drop into any scene. Three different styles with seven types in each, plus a candle flame.

Most systems keep particle count relatively low for mobile use.

Package includes: 

Calm fire
Intense fire
Flamethrower
Column of fire
Spinning column
Flamethrower
Torch flame
Fireball
Candle flame